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Version 170.7 by Xiaoling on 2022/06/27 08:49
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14 **Table of Contents:**
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16 {{toc/}}
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26 = 1.  Introduction =
27
28 == 1.1 ​ What is LoRaWAN Distance Detection Sensor ==
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35 The Dragino LDDS45 is a (% style="color:#4472c4" %)** LoRaWAN Distance Detection Sensor**(%%) for Internet of Things solution. It is used to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses (% style="color:#4472c4" %)**ultrasonic sensing** (%%)technology for distance measurement, and (% style="color:#4472c4" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The LDDS45 can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc.
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39 It detects the distance** (% style="color:#4472c4" %) between the measured object and the sensor(%%)**, and uploads the value via wireless to LoRaWAN IoT Server.
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43 The LoRa wireless technology used in LDDS45 allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
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47 LDDS45 is powered by (% style="color:#4472c4" %)** 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
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51 Each LDDS45 pre-loads with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect if there is network coverage, after power on.
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55 (% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors.
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65
66 == ​1.2  Features ==
67
68 * LoRaWAN 1.0.3 Class A
69 * Ultra-low power consumption
70 * Distance Detection by Ultrasonic technology
71 * Flat object range 30mm - 4500mm
72 * Accuracy: ±(1cm+S*0.3%) (S: Distance)
73 * Measure Angle: 60°
74 * Cable Length : 25cm
75 * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
76 * AT Commands to change parameters
77 * Uplink on periodically
78 * Downlink to change configure
79 * IP66 Waterproof Enclosure
80 * 8500mAh Battery for long term use
81
82 == 1.3  Specification ==
83
84 === 1.3.1  Rated environmental conditions ===
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86 (% aria-label="image-20220610154839-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610154839-1.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" title="Click and drag to resize" %)​(% title="Click and drag to resize" %)​
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90 **Remarks: (1)  a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       **
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92 **~ b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)**
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96
97 === 1.3.2  Effective measurement range Reference beam pattern ===
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99 **(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
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101 [[image:1654934119597-403.png]]
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107 **(2)** **The object to be tested is a "corrugated cardboard box" perpendicular to the central axis of 0 °, and the length * width is 60cm * 50cm.**
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110 [[image:1654934153068-207.png]]
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115 == 1.5 ​ Applications ==
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117 * Horizontal distance measurement
118 * Liquid level measurement
119 * Parking management system
120 * Object proximity and presence detection
121 * Intelligent trash can management system
122 * Robot obstacle avoidance
123 * Automatic control
124 * Sewer
125 * Bottom water level monitoring
126
127 == 1.6  Pin mapping and power on ==
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133
134 = 2.  Configure LDDS45 to connect to LoRaWAN network =
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136 == 2.1  How it works ==
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139 The LDDS45 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS45. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value
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143 In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.A0ConfigureLDDS75viaATCommandorLoRaWANDownlink"]]to set the keys in the LDDS45.
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147
148 == 2.2  ​Quick guide to connect to LoRaWAN server (OTAA) ==
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151 Following is an example for how to join the [[TTN v3 LoRaWAN Network>>url:https://console.cloud.thethings.network/]]. Below is the network structure; we use the [[LG308>>url:http://www.dragino.com/products/lora/item/140-lg308.html]] as a LoRaWAN gateway in this example.
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164 The LG308 is already set to connected to [[TTN network >>url:https://console.cloud.thethings.network/]], so what we need to now is configure the TTN server.
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170 (% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS45.
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174 Each LDDS45 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
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181 For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
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185 Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
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189 **Add APP EUI in the application**
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198 (% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" title="Click and drag to resize" %)​(% title="Click and drag to resize" %)​
199
200 (% aria-label="image-20220610161353-6.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610161353-6.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" title="Click and drag to resize" %)​(% title="Click and drag to resize" %)​
201
202
203 (% aria-label="image-20220610161353-7.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610161353-7.png||data-widget="image"]](% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" title="Click and drag to resize" %)​(% title="Click and drag to resize" %)​
204
205 **Choose LDDS75 instead of LDDS45 is ok. They are of the same payload**
206
207
208
209 You can also choose to create the device manually.
210
211 (% aria-label="image-20220610161538-8.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610161538-8.png||data-widget="image"]](% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" title="Click and drag to resize" %)​(% title="Click and drag to resize" %)​
212
213
214
215 **Add APP KEY and DEV EUI**
216
217 (% aria-label="image-20220610161538-9.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610161538-9.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" title="Click and drag to resize" %)​(% title="Click and drag to resize" %)​
218
219
220
221 (% style="color:blue" %)**Step 2**(%%): Power on LDDS45
222
223
224 Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
225
226 (% aria-label="image-20220611102908-2.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220611102908-2.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" title="Click and drag to resize" %)​(% title="Click and drag to resize" %)​
227
228
229 (((
230 (% style="color:blue" %)**Step 3**(%%)**:** The LDDS45 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
231 )))
232
233 (% aria-label="1654849068701-275.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654849068701-275.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" title="Click and drag to resize" %)​(% title="Click and drag to resize" %)​
234
235
236
237 == 2.3  ​Uplink Payload ==
238
239 (((
240 (((
241 (((
242 LDDS45 will uplink payload via LoRaWAN with below payload format: 
243 )))
244
245 (((
246 Uplink payload includes in total 8 bytes.
247 )))
248 )))
249 )))
250
251 (((
252
253 )))
254
255 (% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
256 |=(% style="width: 62.5px;" %)(((
257 **Size (bytes)**
258 )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
259 |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
260 [[Distance>>||anchor="H2.3.2A0Distance"]]
261
262 (unit: mm)
263 )))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
264 [[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
265 )))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
266
267 (% aria-label="1654850511545-399.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654850511545-399.png||data-widget="image"]](% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" title="Click and drag to resize" %)​(% title="Click and drag to resize" %)​
268
269
270
271 === 2.3.1  Battery Info ===
272
273
274 Check the battery voltage for LDDS45.
275
276 Ex1: 0x0B45 = 2885mV
277
278 Ex2: 0x0B49 = 2889mV
279
280
281
282 === 2.3.2  Distance ===
283
284 (((
285 Get the distance. Flat object range 30mm - 4500mm.
286 )))
287
288 (((
289 For example, if the data you get from the register is __0x0B 0x05__, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** 0B05(H) = 2821 (D) = 2821 mm.**
290 )))
291
292
293 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
294 * If the sensor value lower than 0x001E (30mm), the sensor value will be 0x00.
295
296 === 2.3.3  Interrupt Pin ===
297
298 This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.3A0SetInterruptMode"]] for the hardware and software set up.
299
300 **Example:**
301
302 0x00: Normal uplink packet.
303
304 0x01: Interrupt Uplink Packet.
305
306
307
308 === 2.3.4  DS18B20 Temperature sensor ===
309
310 This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
311
312 **Example**:
313
314 If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
315
316 If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
317
318
319
320 === 2.3.5  Sensor Flag ===
321
322 (((
323 0x01: Detect Ultrasonic Sensor
324 )))
325
326 (((
327 0x00: No Ultrasonic Sensor
328 )))
329
330
331
332 === 2.3.6  Decode payload in The Things Network ===
333
334 While using TTN network, you can add the payload format to decode the payload.
335
336
337 (% aria-label="1654850829385-439.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654850829385-439.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" title="Click and drag to resize" %)​(% title="Click and drag to resize" %)​
338
339 (((
340 The payload decoder function for TTN V3 is here:
341 )))
342
343 (((
344 (((
345 LDDS45 TTN V3 Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]]
346 )))
347 )))
348
349
350
351 == 2.4  Uplink Interval ==
352
353 The LDDS45 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]]
354
355
356
357 == 2.5  ​Show Data in DataCake IoT Server ==
358
359 (((
360 [[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:
361 )))
362
363 (((
364
365 )))
366
367 (((
368 (% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
369 )))
370
371 (((
372 (% style="color:blue" %)**Step 2**(%%)**: To configure the Application to forward data to DATACAKE you will need to add integration. To add the DATACAKE integration, perform the following steps:**
373 )))
374
375
376 (% aria-label="1654592790040-760.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654592790040-760.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" title="Click and drag to resize" %)​(% title="Click and drag to resize" %)​
377
378
379 (% aria-label="1654592800389-571.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654592800389-571.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" title="Click and drag to resize" %)​(% title="Click and drag to resize" %)​
380
381
382 (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
383
384 (% style="color:blue" %)**Step 4**(%%)**: Search the LDDS45 and add DevEUI.**
385
386 (% aria-label="1654851029373-510.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654851029373-510.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" title="Click and drag to resize" %)​(% title="Click and drag to resize" %)​
387
388
389 After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
390
391 (% aria-label="image-20220610165129-11.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610165129-11.png||data-widget="image" height="595" width="1088"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" title="Click and drag to resize" %)​(% title="Click and drag to resize" %)​
392
393
394
395 == 2.6  Frequency Plans ==
396
397 (((
398 The LDDS45 uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
399 )))
400
401
402
403 === 2.6.1  EU863-870 (EU868) ===
404
405 (((
406 (% style="color:blue" %)**Uplink:**
407 )))
408
409 (((
410 868.1 - SF7BW125 to SF12BW125
411 )))
412
413 (((
414 868.3 - SF7BW125 to SF12BW125 and SF7BW250
415 )))
416
417 (((
418 868.5 - SF7BW125 to SF12BW125
419 )))
420
421 (((
422 867.1 - SF7BW125 to SF12BW125
423 )))
424
425 (((
426 867.3 - SF7BW125 to SF12BW125
427 )))
428
429 (((
430 867.5 - SF7BW125 to SF12BW125
431 )))
432
433 (((
434 867.7 - SF7BW125 to SF12BW125
435 )))
436
437 (((
438 867.9 - SF7BW125 to SF12BW125
439 )))
440
441 (((
442 868.8 - FSK
443 )))
444
445 (((
446
447 )))
448
449 (((
450 (% style="color:blue" %)**Downlink:**
451 )))
452
453 (((
454 Uplink channels 1-9 (RX1)
455 )))
456
457 (((
458 869.525 - SF9BW125 (RX2 downlink only)
459 )))
460
461
462
463 === 2.6.2  US902-928(US915) ===
464
465 (((
466 Used in USA, Canada and South America. Default use CHE=2
467
468 (% style="color:blue" %)**Uplink:**
469
470 903.9 - SF7BW125 to SF10BW125
471
472 904.1 - SF7BW125 to SF10BW125
473
474 904.3 - SF7BW125 to SF10BW125
475
476 904.5 - SF7BW125 to SF10BW125
477
478 904.7 - SF7BW125 to SF10BW125
479
480 904.9 - SF7BW125 to SF10BW125
481
482 905.1 - SF7BW125 to SF10BW125
483
484 905.3 - SF7BW125 to SF10BW125
485
486
487 (% style="color:blue" %)**Downlink:**
488
489 923.3 - SF7BW500 to SF12BW500
490
491 923.9 - SF7BW500 to SF12BW500
492
493 924.5 - SF7BW500 to SF12BW500
494
495 925.1 - SF7BW500 to SF12BW500
496
497 925.7 - SF7BW500 to SF12BW500
498
499 926.3 - SF7BW500 to SF12BW500
500
501 926.9 - SF7BW500 to SF12BW500
502
503 927.5 - SF7BW500 to SF12BW500
504
505 923.3 - SF12BW500(RX2 downlink only)
506
507
508
509 )))
510
511 === 2.6.3  CN470-510 (CN470) ===
512
513 (((
514 Used in China, Default use CHE=1
515 )))
516
517 (((
518 (% style="color:blue" %)**Uplink:**
519 )))
520
521 (((
522 486.3 - SF7BW125 to SF12BW125
523 )))
524
525 (((
526 486.5 - SF7BW125 to SF12BW125
527 )))
528
529 (((
530 486.7 - SF7BW125 to SF12BW125
531 )))
532
533 (((
534 486.9 - SF7BW125 to SF12BW125
535 )))
536
537 (((
538 487.1 - SF7BW125 to SF12BW125
539 )))
540
541 (((
542 487.3 - SF7BW125 to SF12BW125
543 )))
544
545 (((
546 487.5 - SF7BW125 to SF12BW125
547 )))
548
549 (((
550 487.7 - SF7BW125 to SF12BW125
551 )))
552
553 (((
554
555 )))
556
557 (((
558 (% style="color:blue" %)**Downlink:**
559 )))
560
561 (((
562 506.7 - SF7BW125 to SF12BW125
563 )))
564
565 (((
566 506.9 - SF7BW125 to SF12BW125
567 )))
568
569 (((
570 507.1 - SF7BW125 to SF12BW125
571 )))
572
573 (((
574 507.3 - SF7BW125 to SF12BW125
575 )))
576
577 (((
578 507.5 - SF7BW125 to SF12BW125
579 )))
580
581 (((
582 507.7 - SF7BW125 to SF12BW125
583 )))
584
585 (((
586 507.9 - SF7BW125 to SF12BW125
587 )))
588
589 (((
590 508.1 - SF7BW125 to SF12BW125
591 )))
592
593 (((
594 505.3 - SF12BW125 (RX2 downlink only)
595 )))
596
597
598
599 === 2.6.4  AU915-928(AU915) ===
600
601 (((
602 Default use CHE=2
603
604 (% style="color:blue" %)**Uplink:**
605
606 916.8 - SF7BW125 to SF12BW125
607
608 917.0 - SF7BW125 to SF12BW125
609
610 917.2 - SF7BW125 to SF12BW125
611
612 917.4 - SF7BW125 to SF12BW125
613
614 917.6 - SF7BW125 to SF12BW125
615
616 917.8 - SF7BW125 to SF12BW125
617
618 918.0 - SF7BW125 to SF12BW125
619
620 918.2 - SF7BW125 to SF12BW125
621
622
623 (% style="color:blue" %)**Downlink:**
624
625 923.3 - SF7BW500 to SF12BW500
626
627 923.9 - SF7BW500 to SF12BW500
628
629 924.5 - SF7BW500 to SF12BW500
630
631 925.1 - SF7BW500 to SF12BW500
632
633 925.7 - SF7BW500 to SF12BW500
634
635 926.3 - SF7BW500 to SF12BW500
636
637 926.9 - SF7BW500 to SF12BW500
638
639 927.5 - SF7BW500 to SF12BW500
640
641 923.3 - SF12BW500(RX2 downlink only)
642
643
644
645 )))
646
647 === 2.6.5  AS920-923 & AS923-925 (AS923) ===
648
649 (((
650 (% style="color:blue" %)**Default Uplink channel:**
651 )))
652
653 (((
654 923.2 - SF7BW125 to SF10BW125
655 )))
656
657 (((
658 923.4 - SF7BW125 to SF10BW125
659 )))
660
661 (((
662
663 )))
664
665 (((
666 (% style="color:blue" %)**Additional Uplink Channel**:
667 )))
668
669 (((
670 (OTAA mode, channel added by JoinAccept message)
671 )))
672
673 (((
674
675 )))
676
677 (((
678 (% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
679 )))
680
681 (((
682 922.2 - SF7BW125 to SF10BW125
683 )))
684
685 (((
686 922.4 - SF7BW125 to SF10BW125
687 )))
688
689 (((
690 922.6 - SF7BW125 to SF10BW125
691 )))
692
693 (((
694 922.8 - SF7BW125 to SF10BW125
695 )))
696
697 (((
698 923.0 - SF7BW125 to SF10BW125
699 )))
700
701 (((
702 922.0 - SF7BW125 to SF10BW125
703 )))
704
705 (((
706
707 )))
708
709 (((
710 (% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
711 )))
712
713 (((
714 923.6 - SF7BW125 to SF10BW125
715 )))
716
717 (((
718 923.8 - SF7BW125 to SF10BW125
719 )))
720
721 (((
722 924.0 - SF7BW125 to SF10BW125
723 )))
724
725 (((
726 924.2 - SF7BW125 to SF10BW125
727 )))
728
729 (((
730 924.4 - SF7BW125 to SF10BW125
731 )))
732
733 (((
734 924.6 - SF7BW125 to SF10BW125
735 )))
736
737 (((
738
739 )))
740
741 (((
742 (% style="color:blue" %)**Downlink:**
743 )))
744
745 (((
746 Uplink channels 1-8 (RX1)
747 )))
748
749 (((
750 923.2 - SF10BW125 (RX2)
751 )))
752
753
754
755 === 2.6.6  KR920-923 (KR920) ===
756
757 (((
758 (% style="color:blue" %)**Default channel:**
759 )))
760
761 (((
762 922.1 - SF7BW125 to SF12BW125
763 )))
764
765 (((
766 922.3 - SF7BW125 to SF12BW125
767 )))
768
769 (((
770 922.5 - SF7BW125 to SF12BW125
771 )))
772
773 (((
774
775 )))
776
777 (((
778 (% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
779 )))
780
781 (((
782 922.1 - SF7BW125 to SF12BW125
783 )))
784
785 (((
786 922.3 - SF7BW125 to SF12BW125
787 )))
788
789 (((
790 922.5 - SF7BW125 to SF12BW125
791 )))
792
793 (((
794 922.7 - SF7BW125 to SF12BW125
795 )))
796
797 (((
798 922.9 - SF7BW125 to SF12BW125
799 )))
800
801 (((
802 923.1 - SF7BW125 to SF12BW125
803 )))
804
805 (((
806 923.3 - SF7BW125 to SF12BW125
807 )))
808
809 (((
810
811 )))
812
813 (((
814 (% style="color:blue" %)**Downlink:**
815 )))
816
817 (((
818 Uplink channels 1-7(RX1)
819 )))
820
821 (((
822 921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
823 )))
824
825
826
827 === 2.6.7  IN865-867 (IN865) ===
828
829 (((
830 (% style="color:blue" %)**Uplink:**
831 )))
832
833 (((
834 865.0625 - SF7BW125 to SF12BW125
835 )))
836
837 (((
838 865.4025 - SF7BW125 to SF12BW125
839 )))
840
841 (((
842 865.9850 - SF7BW125 to SF12BW125
843 )))
844
845 (((
846
847 )))
848
849 (((
850 (% style="color:blue" %)**Downlink:**
851 )))
852
853 (((
854 Uplink channels 1-3 (RX1)
855 )))
856
857 (((
858 866.550 - SF10BW125 (RX2)
859 )))
860
861
862
863 == 2.7  LED Indicator ==
864
865 The LDDS45 has an internal LED which is to show the status of different state.
866
867
868 * Blink once when device power on.
869 * The device detects the sensor and flashes 5 times.
870 * Solid ON for 5 seconds once device successful Join the network.
871 * Blink once when device transmit a packet.
872
873 == 2.8  ​Firmware Change Log ==
874
875
876 (((
877 **Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Firmware/]]
878 )))
879
880 (((
881
882 )))
883
884 (((
885 **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
886 )))
887
888
889
890 == 2.9  Mechanical ==
891
892
893 (% aria-label="1654915562090-396.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654915562090-396.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none; left:0px; top:-15px" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background:url(~"http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png~") rgba(220, 220, 220, 0.5); left:0px; top:-15px" tabindex="-1" title="Click and drag to resize" %)​(% title="Click and drag to resize" %)​
894
895
896
897 = 3. Battery & How to replace =
898
899 == 3.1 Battery Type ==
900
901 (((
902 LDDS45 is equipped with a [[8500mAH ER26500 Li-SOCI2 battery>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]. The battery is un-rechargeable battery with low discharge rate targeting for 8~~10 years use. This type of battery is commonly used in IoT target for long-term running, such as water meter.
903 )))
904
905 (((
906 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
907 )))
908
909 (% aria-label="1654593587246-335.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654593587246-335.png||data-widget="image"]](% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none; left:0px; top:-15px" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background:url(~"http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png~") rgba(220, 220, 220, 0.5); left:0px; top:-15px" tabindex="-1" title="Click and drag to resize" %)​(% title="Click and drag to resize" %)​
910
911
912 Minimum Working Voltage for the LDDS45:
913
914 LDDS45:  2.45v ~~ 3.6v
915
916
917
918 == 3.2 Replace Battery ==
919
920 (((
921 Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
922 )))
923
924 (((
925 And make sure the positive and negative pins match.
926 )))
927
928
929
930 == 3.3 Power Consumption Analyze ==
931
932 (((
933 Dragino Battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
934 )))
935
936 (((
937 Instruction to use as below:
938 )))
939
940
941 **Step 1 :**  Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
942
943 [[https:~~/~~/www.dragino.com/downloads/index.pHp?dir=LoRa_End_Node/Battery_Analyze/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/]]
944
945
946 **Step 2 :**  Open it and choose
947
948 * Product Model
949 * Uplink Interval
950 * Working Mode
951
952 And the Life expectation in difference case will be shown on the right.
953
954 (% aria-label="1654593605679-189.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654593605679-189.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none; left:0px; top:-15px" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background:url(~"http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png~") rgba(220, 220, 220, 0.5); left:0px; top:-15px" tabindex="-1" title="Click and drag to resize" %)​(% title="Click and drag to resize" %)​
955
956
957 The battery related documents as below:
958
959 * (((
960 [[Battery Dimension>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/]],
961 )))
962 * (((
963 [[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
964 )))
965 * (((
966 [[Lithium-ion Battery-Capacitor datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/]], [[Tech Spec>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/]]
967 )))
968
969 (% aria-label="image-20220607172042-11.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220607172042-11.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none; left:0px; top:-15px" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background:url(~"http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png~") rgba(220, 220, 220, 0.5); left:0px; top:-15px" tabindex="-1" title="Click and drag to resize" %)​(% title="Click and drag to resize" %)​
970
971
972
973 === 3.3.1 ​Battery Note ===
974
975 (((
976 The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.
977 )))
978
979
980
981 === ​3.3.2 Replace the battery ===
982
983 (((
984 You can change the battery in the LDDS45.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board.
985 )))
986
987
988 (((
989 The default battery pack of LDDS45 includes a ER26500 plus super capacitor. If user can’t find this pack locally, they can find ER26500 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes).
990 )))
991
992
993
994 = 4.  Configure LDDS45 via AT Command or LoRaWAN Downlink =
995
996 (((
997 (((
998 Use can configure LDDS45 via AT Command or LoRaWAN Downlink.
999 )))
1000 )))
1001
1002 * (((
1003 (((
1004 AT Command Connection: See [[FAQ>>||anchor="H5.A0FAQ"]].
1005 )))
1006 )))
1007 * (((
1008 (((
1009 LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1010 )))
1011 )))
1012
1013 (((
1014 (((
1015
1016 )))
1017
1018 (((
1019 There are two kinds of commands to configure LDDS45, they are:
1020 )))
1021 )))
1022
1023 * (((
1024 (((
1025 (% style="color:#4f81bd" %)** General Commands**.
1026 )))
1027 )))
1028
1029 (((
1030 (((
1031 These commands are to configure:
1032 )))
1033 )))
1034
1035 * (((
1036 (((
1037 General system settings like: uplink interval.
1038 )))
1039 )))
1040 * (((
1041 (((
1042 LoRaWAN protocol & radio related command.
1043 )))
1044 )))
1045
1046 (((
1047 (((
1048 They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
1049 )))
1050 )))
1051
1052 (((
1053 (((
1054
1055 )))
1056 )))
1057
1058 * (((
1059 (((
1060 (% style="color:#4f81bd" %)** Commands special design for LDDS45**
1061 )))
1062 )))
1063
1064 (((
1065 (((
1066 These commands only valid for LDDS45, as below:
1067 )))
1068 )))
1069
1070
1071
1072 == 4.1  Access AT Commands ==
1073
1074 User can use a USB to TTL adapter to connect to LDDS45 and access the console to enter AT Commands. Note the TXD/RXD can use 3.3v or 5v.
1075
1076 Pins for console is:
1077
1078 * UART_TXD to  USB TTL Adapter's RXD
1079 * UART_RXD to  USB TTL Adapter's  TXD
1080 * GND  to  USB TTL Adapter's GND
1081
1082 (% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" title="Click and drag to resize" %)​(% aria-label="image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654917294526-626.png||data-widget="image"]](% title="Click and drag to resize" %)​​
1083
1084 (% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" title="Click and drag to resize" %)​
1085
1086
1087 (((
1088 In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS45. LDDS45 will output system info once power on as below:
1089 )))
1090
1091 (% aria-label="image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654917321722-210.png||data-widget="image"]](% title="Click and drag to resize" %)​
1092
1093 (% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" title="Click and drag to resize" %)​(% title="Click and drag to resize" %)​
1094
1095
1096
1097 == 4.2  Set Transmit Interval Time ==
1098
1099 Feature: Change LoRaWAN End Node Transmit Interval.
1100
1101 (% style="color:#037691" %)**AT Command: AT+TDC**
1102
1103 (% aria-label="image-20220610173409-7.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610173409-7.png||data-widget="image"]](% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" title="Click and drag to resize" %)​(% title="Click and drag to resize" %)​
1104
1105
1106 (((
1107 (% style="color:#037691" %)**Downlink Command: 0x01**
1108 )))
1109
1110 (((
1111 (((
1112 Format: Command Code (0x01) followed by 3 bytes time value.
1113
1114 (((
1115 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1116 )))
1117
1118 * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1119 * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1120 )))
1121 )))
1122
1123
1124
1125 == 4.3  Set Interrupt Mode ==
1126
1127 Feature, Set Interrupt mode for GPIO_EXIT.
1128
1129 (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
1130
1131 (% aria-label="image-20220610174917-9.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610174917-9.png||data-widget="image"]](% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" title="Click and drag to resize" %)​(% title="Click and drag to resize" %)​
1132
1133
1134 (% style="color:#037691" %)**Downlink Command: 0x06**
1135
1136 Format: Command Code (0x06) followed by 3 bytes.
1137
1138 (((
1139 This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1140 )))
1141
1142 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1143 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1144
1145 = 5.  FAQ =
1146
1147 == 5.1  What is the frequency plan for LDDS45? ==
1148
1149 LDDS45 use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
1150
1151
1152
1153 == 5.2  How to change the LoRa Frequency Bands/Region ==
1154
1155 You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1156 When downloading the images, choose the required image file for download. ​
1157
1158
1159
1160 = 6.  Trouble Shooting =
1161
1162 == 6.1  AT Command input doesn't work ==
1163
1164 In the case if user can see the console output but can’t type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn’t send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
1165
1166 (((
1167
1168 )))
1169
1170
1171 = 7.  Order Info =
1172
1173
1174 Part Number **:** (% style="color:blue" %)**LDDS45-XX**
1175
1176
1177 (% style="color:blue" %)**XX**(%%)**: **The default frequency band
1178
1179 * (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
1180 * (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
1181 * (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
1182 * (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
1183 * (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
1184 * (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
1185 * (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
1186 * (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
1187
1188 = 8. ​ Packing Info =
1189
1190
1191 **Package Includes**:
1192
1193 * LDDS45 LoRaWAN Distance Detection Sensor x 1
1194
1195 **Dimension and weight**:
1196
1197 * Device Size: cm
1198 * Device Weight: g
1199 * Package Size / pcs : cm
1200 * Weight / pcs : g
1201
1202 = 9.  ​Support =
1203
1204 * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
1205 * Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]].