Version 161.1 by Xiaoling on 2022/06/11 11:15
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6 (% 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==||height="15" role="presentation" title="Click and drag to move" width="15"]]
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9 **Contents:**
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19 = 1.  Introduction =
20
21 == 1.1 ​ What is LoRaWAN Distance Detection Sensor ==
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28 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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36 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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44 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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52 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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60 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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68 (% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors.
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75 (% aria-label="1654912858581-740.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654912858581-740.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" %)​
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77
78
79 == ​1.2  Features ==
80
81 * LoRaWAN 1.0.3 Class A
82 * Ultra-low power consumption
83 * Distance Detection by Ultrasonic technology
84 * Flat object range 30mm - 4500mm
85 * Accuracy: ±(1cm+S*0.3%) (S: Distance)
86 * Measure Angle: 60°
87 * Cable Length : 25cm
88 * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
89 * AT Commands to change parameters
90 * Uplink on periodically
91 * Downlink to change configure
92 * IP66 Waterproof Enclosure
93 * 8500mAh Battery for long term use
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96
97 == 1.3  Specification ==
98
99 === 1.3.1  Rated environmental conditions ===
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101 (% 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" %)​
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105 **Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       **
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107 **~ 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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111
112 === 1.3.2  Effective measurement range Reference beam pattern ===
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114 **(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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118 (% aria-label="1654852253176-749.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654852253176-749.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" %)​
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123 **(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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127 (% aria-label="1654852175653-550.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654852175653-550.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" %)​(% style="display:none" %) ** **
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131 == 1.5 ​ Applications ==
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133 * Horizontal distance measurement
134 * Liquid level measurement
135 * Parking management system
136 * Object proximity and presence detection
137 * Intelligent trash can management system
138 * Robot obstacle avoidance
139 * Automatic control
140 * Sewer
141 * Bottom water level monitoring
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145 == 1.6  Pin mapping and power on ==
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148 (% aria-label="1654847583902-256.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654847583902-256.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" %)​
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151
152 = 2.  Configure LDDS45 to connect to LoRaWAN network =
153
154 == 2.1  How it works ==
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157 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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161 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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165
166 == 2.2  ​Quick guide to connect to LoRaWAN server (OTAA) ==
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169 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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174 (% aria-label="1654913911773-521.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654913911773-521.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" %)​
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182 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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186 (% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS45.
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190 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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193 (% aria-label="image-20220607170145-1.jpeg image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220607170145-1.jpeg||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" %)​
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197 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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201 Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
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205 **Add APP EUI in the application**
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208 (% aria-label="image-20220610161353-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610161353-4.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" %)​
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210 (% aria-label="image-20220610161353-5.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610161353-5.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" %)​
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212 (% 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" %)​
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215 (% aria-label="image-20220610161353-7.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610161353-7.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" %)​
216
217 **Choose LDDS75 instead of LDDS45 is ok. They are of the same payload**
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221 You can also choose to create the device manually.
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223 (% aria-label="image-20220610161538-8.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610161538-8.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" %)​
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227 **Add APP KEY and DEV EUI**
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229 (% 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" %)​
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233 (% style="color:blue" %)**Step 2**(%%): Power on LDDS45
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236 Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
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238 (% 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" %)​
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242 (% 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.
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245 (% 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" %)​
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249 == 2.3  ​Uplink Payload ==
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253 LDDS45 will uplink payload via LoRaWAN with below payload format: 
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255 Uplink payload includes in total 8 bytes.
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263 (% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
264 |=(% style="width: 62.5px;" %)(((
265 **Size (bytes)**
266 )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
267 |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
268 [[Distance>>||anchor="H2.3.2A0Distance"]]
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270 (unit: mm)
271 )))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
272 [[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
273 )))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
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275 (% aria-label="1654850511545-399.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654850511545-399.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" %)​
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278
279 === 2.3.1  Battery Info ===
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281
282 Check the battery voltage for LDDS45.
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284 Ex1: 0x0B45 = 2885mV
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286 Ex2: 0x0B49 = 2889mV
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290 === 2.3.2  Distance ===
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293 Get the distance. Flat object range 30mm - 4500mm.
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297 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.**
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301 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
302 * If the sensor value lower than 0x001E (30mm), the sensor value will be 0x00.
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305
306 === 2.3.3  Interrupt Pin ===
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308 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.
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310 **Example:**
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312 0x00: Normal uplink packet.
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314 0x01: Interrupt Uplink Packet.
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317
318 === 2.3.4  DS18B20 Temperature sensor ===
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320 This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
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322 **Example**:
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324 If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
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326 If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
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329
330 === 2.3.5  Sensor Flag ===
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333 0x01: Detect Ultrasonic Sensor
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337 0x00: No Ultrasonic Sensor
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341
342 === 2.3.6  Decode payload in The Things Network ===
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344 While using TTN network, you can add the payload format to decode the payload.
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347 (% 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" %)​
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349 The payload decoder function for TTN V3 is here:
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352 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/]]
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355
356
357 == 2.4  Uplink Interval ==
358
359 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"]]
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362
363 == 2.5  ​Show Data in DataCake IoT Server ==
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365 (((
366 [[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:
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374 (% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
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378 (% 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:**
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382 (% 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" %)​
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385 (% 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" %)​
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388 (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
389
390 (% style="color:blue" %)**Step 4**(%%)**: Search the LDDS45 and add DevEUI.**
391
392 (% 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" %)​
393
394
395 After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
396
397 (% 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" %)​
398
399
400
401 == 2.6  Frequency Plans ==
402
403 (((
404 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.
405 )))
406
407
408
409 === 2.6.1  EU863-870 (EU868) ===
410
411 (((
412 (% style="color:blue" %)**Uplink:**
413 )))
414
415 (((
416 868.1 - SF7BW125 to SF12BW125
417 )))
418
419 (((
420 868.3 - SF7BW125 to SF12BW125 and SF7BW250
421 )))
422
423 (((
424 868.5 - SF7BW125 to SF12BW125
425 )))
426
427 (((
428 867.1 - SF7BW125 to SF12BW125
429 )))
430
431 (((
432 867.3 - SF7BW125 to SF12BW125
433 )))
434
435 (((
436 867.5 - SF7BW125 to SF12BW125
437 )))
438
439 (((
440 867.7 - SF7BW125 to SF12BW125
441 )))
442
443 (((
444 867.9 - SF7BW125 to SF12BW125
445 )))
446
447 (((
448 868.8 - FSK
449 )))
450
451 (((
452
453 )))
454
455 (((
456 (% style="color:blue" %)**Downlink:**
457 )))
458
459 (((
460 Uplink channels 1-9 (RX1)
461 )))
462
463 (((
464 869.525 - SF9BW125 (RX2 downlink only)
465 )))
466
467
468
469 === 2.6.2  US902-928(US915) ===
470
471 (((
472 Used in USA, Canada and South America. Default use CHE=2
473
474 (% style="color:blue" %)**Uplink:**
475
476 903.9 - SF7BW125 to SF10BW125
477
478 904.1 - SF7BW125 to SF10BW125
479
480 904.3 - SF7BW125 to SF10BW125
481
482 904.5 - SF7BW125 to SF10BW125
483
484 904.7 - SF7BW125 to SF10BW125
485
486 904.9 - SF7BW125 to SF10BW125
487
488 905.1 - SF7BW125 to SF10BW125
489
490 905.3 - SF7BW125 to SF10BW125
491
492
493 (% style="color:blue" %)**Downlink:**
494
495 923.3 - SF7BW500 to SF12BW500
496
497 923.9 - SF7BW500 to SF12BW500
498
499 924.5 - SF7BW500 to SF12BW500
500
501 925.1 - SF7BW500 to SF12BW500
502
503 925.7 - SF7BW500 to SF12BW500
504
505 926.3 - SF7BW500 to SF12BW500
506
507 926.9 - SF7BW500 to SF12BW500
508
509 927.5 - SF7BW500 to SF12BW500
510
511 923.3 - SF12BW500(RX2 downlink only)
512
513
514
515 )))
516
517 === 2.6.3  CN470-510 (CN470) ===
518
519 (((
520 Used in China, Default use CHE=1
521 )))
522
523 (((
524 (% style="color:blue" %)**Uplink:**
525 )))
526
527 (((
528 486.3 - SF7BW125 to SF12BW125
529 )))
530
531 (((
532 486.5 - SF7BW125 to SF12BW125
533 )))
534
535 (((
536 486.7 - SF7BW125 to SF12BW125
537 )))
538
539 (((
540 486.9 - SF7BW125 to SF12BW125
541 )))
542
543 (((
544 487.1 - SF7BW125 to SF12BW125
545 )))
546
547 (((
548 487.3 - SF7BW125 to SF12BW125
549 )))
550
551 (((
552 487.5 - SF7BW125 to SF12BW125
553 )))
554
555 (((
556 487.7 - SF7BW125 to SF12BW125
557 )))
558
559 (((
560
561 )))
562
563 (((
564 (% style="color:blue" %)**Downlink:**
565 )))
566
567 (((
568 506.7 - SF7BW125 to SF12BW125
569 )))
570
571 (((
572 506.9 - SF7BW125 to SF12BW125
573 )))
574
575 (((
576 507.1 - SF7BW125 to SF12BW125
577 )))
578
579 (((
580 507.3 - SF7BW125 to SF12BW125
581 )))
582
583 (((
584 507.5 - SF7BW125 to SF12BW125
585 )))
586
587 (((
588 507.7 - SF7BW125 to SF12BW125
589 )))
590
591 (((
592 507.9 - SF7BW125 to SF12BW125
593 )))
594
595 (((
596 508.1 - SF7BW125 to SF12BW125
597 )))
598
599 (((
600 505.3 - SF12BW125 (RX2 downlink only)
601 )))
602
603
604
605 === 2.6.4  AU915-928(AU915) ===
606
607 (((
608 Default use CHE=2
609
610 (% style="color:blue" %)**Uplink:**
611
612 916.8 - SF7BW125 to SF12BW125
613
614 917.0 - SF7BW125 to SF12BW125
615
616 917.2 - SF7BW125 to SF12BW125
617
618 917.4 - SF7BW125 to SF12BW125
619
620 917.6 - SF7BW125 to SF12BW125
621
622 917.8 - SF7BW125 to SF12BW125
623
624 918.0 - SF7BW125 to SF12BW125
625
626 918.2 - SF7BW125 to SF12BW125
627
628
629 (% style="color:blue" %)**Downlink:**
630
631 923.3 - SF7BW500 to SF12BW500
632
633 923.9 - SF7BW500 to SF12BW500
634
635 924.5 - SF7BW500 to SF12BW500
636
637 925.1 - SF7BW500 to SF12BW500
638
639 925.7 - SF7BW500 to SF12BW500
640
641 926.3 - SF7BW500 to SF12BW500
642
643 926.9 - SF7BW500 to SF12BW500
644
645 927.5 - SF7BW500 to SF12BW500
646
647 923.3 - SF12BW500(RX2 downlink only)
648
649
650
651 )))
652
653 === 2.6.5  AS920-923 & AS923-925 (AS923) ===
654
655 (((
656 (% style="color:blue" %)**Default Uplink channel:**
657 )))
658
659 (((
660 923.2 - SF7BW125 to SF10BW125
661 )))
662
663 (((
664 923.4 - SF7BW125 to SF10BW125
665 )))
666
667 (((
668
669 )))
670
671 (((
672 (% style="color:blue" %)**Additional Uplink Channel**:
673 )))
674
675 (((
676 (OTAA mode, channel added by JoinAccept message)
677 )))
678
679 (((
680
681 )))
682
683 (((
684 (% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
685 )))
686
687 (((
688 922.2 - SF7BW125 to SF10BW125
689 )))
690
691 (((
692 922.4 - SF7BW125 to SF10BW125
693 )))
694
695 (((
696 922.6 - SF7BW125 to SF10BW125
697 )))
698
699 (((
700 922.8 - SF7BW125 to SF10BW125
701 )))
702
703 (((
704 923.0 - SF7BW125 to SF10BW125
705 )))
706
707 (((
708 922.0 - SF7BW125 to SF10BW125
709 )))
710
711 (((
712
713 )))
714
715 (((
716 (% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
717 )))
718
719 (((
720 923.6 - SF7BW125 to SF10BW125
721 )))
722
723 (((
724 923.8 - SF7BW125 to SF10BW125
725 )))
726
727 (((
728 924.0 - SF7BW125 to SF10BW125
729 )))
730
731 (((
732 924.2 - SF7BW125 to SF10BW125
733 )))
734
735 (((
736 924.4 - SF7BW125 to SF10BW125
737 )))
738
739 (((
740 924.6 - SF7BW125 to SF10BW125
741 )))
742
743 (((
744
745 )))
746
747 (((
748 (% style="color:blue" %)**Downlink:**
749 )))
750
751 (((
752 Uplink channels 1-8 (RX1)
753 )))
754
755 (((
756 923.2 - SF10BW125 (RX2)
757 )))
758
759
760
761 === 2.6.6  KR920-923 (KR920) ===
762
763 (((
764 (% style="color:blue" %)**Default channel:**
765 )))
766
767 (((
768 922.1 - SF7BW125 to SF12BW125
769 )))
770
771 (((
772 922.3 - SF7BW125 to SF12BW125
773 )))
774
775 (((
776 922.5 - SF7BW125 to SF12BW125
777 )))
778
779 (((
780
781 )))
782
783 (((
784 (% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
785 )))
786
787 (((
788 922.1 - SF7BW125 to SF12BW125
789 )))
790
791 (((
792 922.3 - SF7BW125 to SF12BW125
793 )))
794
795 (((
796 922.5 - SF7BW125 to SF12BW125
797 )))
798
799 (((
800 922.7 - SF7BW125 to SF12BW125
801 )))
802
803 (((
804 922.9 - SF7BW125 to SF12BW125
805 )))
806
807 (((
808 923.1 - SF7BW125 to SF12BW125
809 )))
810
811 (((
812 923.3 - SF7BW125 to SF12BW125
813 )))
814
815 (((
816
817 )))
818
819 (((
820 (% style="color:blue" %)**Downlink:**
821 )))
822
823 (((
824 Uplink channels 1-7(RX1)
825 )))
826
827 (((
828 921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
829 )))
830
831
832
833 === 2.6.7  IN865-867 (IN865) ===
834
835 (((
836 (% style="color:blue" %)**Uplink:**
837 )))
838
839 (((
840 865.0625 - SF7BW125 to SF12BW125
841 )))
842
843 (((
844 865.4025 - SF7BW125 to SF12BW125
845 )))
846
847 (((
848 865.9850 - SF7BW125 to SF12BW125
849 )))
850
851 (((
852
853 )))
854
855 (((
856 (% style="color:blue" %)**Downlink:**
857 )))
858
859 (((
860 Uplink channels 1-3 (RX1)
861 )))
862
863 (((
864 866.550 - SF10BW125 (RX2)
865 )))
866
867
868
869 == 2.7  LED Indicator ==
870
871 The LDDS45 has an internal LED which is to show the status of different state.
872
873
874 * Blink once when device power on.
875 * The device detects the sensor and flashes 5 times.
876 * Solid ON for 5 seconds once device successful Join the network.
877 * Blink once when device transmit a packet.
878
879
880
881 == 2.8  ​Firmware Change Log ==
882
883
884 (((
885 **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/]]
886 )))
887
888 (((
889
890 )))
891
892 (((
893 **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
894 )))
895
896
897
898 == 2.9  Mechanical ==
899
900
901 (% aria-label="1654915562090-396.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654915562090-396.png||data-widget="image"]](% 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" %)[[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" %)​
902
903
904
905
906
907 = 3. Battery & How to replace =
908
909 == 3.1 Battery Type ==
910
911 (((
912 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.
913 )))
914
915 (((
916 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
917 )))
918
919 (% aria-label="1654593587246-335.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654593587246-335.png||data-widget="image"]](% 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" %)[[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" %)​
920
921
922 Minimum Working Voltage for the LDDS45:
923
924 LDDS45:  2.45v ~~ 3.6v
925
926
927
928 == 3.2 Replace Battery ==
929
930 (((
931 Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
932 )))
933
934 (((
935 And make sure the positive and negative pins match.
936 )))
937
938
939
940 == 3.3 Power Consumption Analyze ==
941
942 (((
943 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.
944 )))
945
946 (((
947 Instruction to use as below:
948 )))
949
950
951 **Step 1 :**  Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
952
953 [[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/]]
954
955
956 **Step 2 :**  Open it and choose
957
958 * Product Model
959 * Uplink Interval
960 * Working Mode
961
962 And the Life expectation in difference case will be shown on the right.
963
964 (% aria-label="1654593605679-189.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654593605679-189.png||data-widget="image"]](% 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" %)[[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" %)​
965
966
967 The battery related documents as below:
968
969 * (((
970 [[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
971 )))
972 * (((
973 [[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
974 )))
975 * (((
976 [[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC_1520_datasheet.jpg]], [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC1520%20Technical%20Specification20171123.pdf]]
977 )))
978
979 (% aria-label="image-20220607172042-11.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220607172042-11.png||data-widget="image"]](% 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" %)[[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" %)​
980
981
982
983 === 3.3.1 ​Battery Note ===
984
985 (((
986 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.
987 )))
988
989
990
991 === ​3.3.2 Replace the battery ===
992
993 (((
994 You can change the battery in the LSPH01.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.
995 )))
996
997
998 (((
999 The default battery pack of LSPH01 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).
1000 )))
1001
1002
1003
1004 = 4.  Configure LDDS45 via AT Command or LoRaWAN Downlink =
1005
1006 (((
1007 (((
1008 Use can configure LDDS45 via AT Command or LoRaWAN Downlink.
1009 )))
1010 )))
1011
1012 * (((
1013 (((
1014 AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
1015 )))
1016 )))
1017 * (((
1018 (((
1019 LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1020 )))
1021 )))
1022
1023 (((
1024 (((
1025
1026 )))
1027
1028 (((
1029 There are two kinds of commands to configure LDDS45, they are:
1030 )))
1031 )))
1032
1033 * (((
1034 (((
1035 (% style="color:#4f81bd" %)** General Commands**.
1036 )))
1037 )))
1038
1039 (((
1040 (((
1041 These commands are to configure:
1042 )))
1043 )))
1044
1045 * (((
1046 (((
1047 General system settings like: uplink interval.
1048 )))
1049 )))
1050 * (((
1051 (((
1052 LoRaWAN protocol & radio related command.
1053 )))
1054 )))
1055
1056 (((
1057 (((
1058 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]]
1059 )))
1060 )))
1061
1062 (((
1063 (((
1064
1065 )))
1066 )))
1067
1068 * (((
1069 (((
1070 (% style="color:#4f81bd" %)** Commands special design for LDDS45**
1071 )))
1072 )))
1073
1074 (((
1075 (((
1076 These commands only valid for LDDS45, as below:
1077 )))
1078 )))
1079
1080
1081
1082 == 4.1  Access AT Commands ==
1083
1084 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.
1085
1086 Pins for console is:
1087
1088 * UART_TXD to  USB TTL Adapter's RXD
1089 * UART_RXD to  USB TTL Adapter's  TXD
1090 * GND  to  USB TTL Adapter's GND
1091
1092 (% aria-label="image-20220610172924-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610172924-4.png||data-widget="image" height="483" width="988"]](% 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" %)​
1093
1094
1095 Or if you have below board, use below connection:
1096
1097
1098 (% aria-label="image-20220610172924-5.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610172924-5.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" %)​
1099
1100
1101 (((
1102 In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS75. LDDS75 will output system info once power on as below:
1103 )))
1104
1105
1106 (% aria-label="image-20220610172924-6.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610172924-6.png||data-widget="image" height="601" width="860"]](% 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" %)​
1107
1108
1109
1110 == 4.2  Set Transmit Interval Time ==
1111
1112 Feature: Change LoRaWAN End Node Transmit Interval.
1113
1114 (% style="color:#037691" %)**AT Command: AT+TDC**
1115
1116 (% aria-label="image-20220610173409-7.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610173409-7.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" %)​
1117
1118
1119 (((
1120 (% style="color:#037691" %)**Downlink Command: 0x01**
1121 )))
1122
1123 (((
1124 (((
1125 Format: Command Code (0x01) followed by 3 bytes time value.
1126
1127 (((
1128 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1129 )))
1130
1131 * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1132 * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1133 )))
1134 )))
1135
1136
1137
1138
1139
1140 == 4.3  Set Interrupt Mode ==
1141
1142 Feature, Set Interrupt mode for GPIO_EXIT.
1143
1144 (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
1145
1146 (% aria-label="image-20220610174917-9.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610174917-9.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" %)​
1147
1148
1149 (% style="color:#037691" %)**Downlink Command: 0x06**
1150
1151 Format: Command Code (0x06) followed by 3 bytes.
1152
1153 (((
1154 This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1155 )))
1156
1157 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1158 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1159
1160 = 5.  FAQ =
1161
1162 == 5.1  What is the frequency plan for LDDS75? ==
1163
1164 LDDS75 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"]]
1165
1166
1167
1168 == 5.2  How to change the LoRa Frequency Bands/Region ==
1169
1170 You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1171 When downloading the images, choose the required image file for download. ​
1172
1173
1174
1175 == 5.3  Can I use LDDS75 in condensation environment? ==
1176
1177 LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1178
1179
1180
1181 = 6.  Trouble Shooting =
1182
1183 == 6.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1184
1185 It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1186
1187
1188 == 6.2  AT Command input doesn't work ==
1189
1190 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.
1191
1192 (((
1193
1194 )))
1195
1196
1197 = 7.  Order Info =
1198
1199
1200 Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
1201
1202
1203 (% style="color:blue" %)**XX**(%%)**: **The default frequency band
1204
1205 * (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
1206 * (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
1207 * (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
1208 * (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
1209 * (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
1210 * (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
1211 * (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
1212 * (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
1213
1214 (% style="color:blue" %)**YY**(%%): Battery Option
1215
1216 * (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1217 * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1218
1219 = 8. ​ Packing Info =
1220
1221
1222 **Package Includes**:
1223
1224 * LDDS75 LoRaWAN Distance Detection Sensor x 1
1225
1226 **Dimension and weight**:
1227
1228 * Device Size: cm
1229 * Device Weight: g
1230 * Package Size / pcs : cm
1231 * Weight / pcs : g
1232
1233 = 9.  ​Support =
1234
1235 * 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.
1236 * 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]].

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