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Version 159.17 by Xiaoling on 2022/06/11 11:09
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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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8
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" %)​
76
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
94
95
96
97
98 == 1.3  Specification ==
99
100 === 1.3.1  Rated environmental conditions ===
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102 (% 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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106 **Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       **
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108 **~ 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
113 === 1.3.2  Effective measurement range Reference beam pattern ===
114
115 **(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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119 (% 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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124 **(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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128 (% 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
132 == 1.5 ​ Applications ==
133
134 * Horizontal distance measurement
135 * Liquid level measurement
136 * Parking management system
137 * Object proximity and presence detection
138 * Intelligent trash can management system
139 * Robot obstacle avoidance
140 * Automatic control
141 * Sewer
142 * Bottom water level monitoring
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146
147 == 1.6  Pin mapping and power on ==
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150 (% 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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153
154 = 2.  Configure LDDS45 to connect to LoRaWAN network =
155
156 == 2.1  How it works ==
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159 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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163 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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166
167
168 == 2.2  ​Quick guide to connect to LoRaWAN server (OTAA) ==
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171 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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176 (% 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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184 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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188 (% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS45.
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192 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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195 (% 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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199 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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203 Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
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207 **Add APP EUI in the application**
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210 (% 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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212 (% 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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214 (% 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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217 (% 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" %)​
218
219 **Choose LDDS75 instead of LDDS45 is ok. They are of the same payload**
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223 You can also choose to create the device manually.
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225 (% 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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229 **Add APP KEY and DEV EUI**
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231 (% 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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235 (% style="color:blue" %)**Step 2**(%%): Power on LDDS45
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237
238 Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
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240 (% 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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243 (((
244 (% 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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247 (% 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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250
251 == 2.3  ​Uplink Payload ==
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253 (((
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255 LDDS45 will uplink payload via LoRaWAN with below payload format: 
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257 Uplink payload includes in total 8 bytes.
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265 (% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
266 |=(% style="width: 62.5px;" %)(((
267 **Size (bytes)**
268 )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
269 |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
270 [[Distance>>||anchor="H2.3.2A0Distance"]]
271
272 (unit: mm)
273 )))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
274 [[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
275 )))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
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277 (% 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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279
280
281 === 2.3.1  Battery Info ===
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283
284 Check the battery voltage for LDDS45.
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286 Ex1: 0x0B45 = 2885mV
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288 Ex2: 0x0B49 = 2889mV
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290
291
292 === 2.3.2  Distance ===
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295 Get the distance. Flat object range 30mm - 4500mm.
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298 (((
299 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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302
303 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
304 * If the sensor value lower than 0x001E (30mm), the sensor value will be 0x00.
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307
308
309 === 2.3.3  Interrupt Pin ===
310
311 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.
312
313 **Example:**
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315 0x00: Normal uplink packet.
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317 0x01: Interrupt Uplink Packet.
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319
320
321 === 2.3.4  DS18B20 Temperature sensor ===
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323 This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
324
325 **Example**:
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327 If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
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329 If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
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331
332
333 === 2.3.5  Sensor Flag ===
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335 (((
336 0x01: Detect Ultrasonic Sensor
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340 0x00: No Ultrasonic Sensor
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342
343
344
345 === 2.3.6  Decode payload in The Things Network ===
346
347 While using TTN network, you can add the payload format to decode the payload.
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350 (% 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" %)​
351
352 The payload decoder function for TTN V3 is here:
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354 (((
355 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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357
358
359
360 == 2.4  Uplink Interval ==
361
362 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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364
365
366 == 2.5  ​Show Data in DataCake IoT Server ==
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368 (((
369 [[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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376 (((
377 (% 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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380 (((
381 (% 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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385 (% 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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388 (% 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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390
391 (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
392
393 (% style="color:blue" %)**Step 4**(%%)**: Search the LDDS45 and add DevEUI.**
394
395 (% 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" %)​
396
397
398 After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
399
400 (% 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" %)​
401
402
403
404 == 2.6  Frequency Plans ==
405
406 (((
407 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.
408 )))
409
410
411
412 === 2.6.1  EU863-870 (EU868) ===
413
414 (((
415 (% style="color:blue" %)**Uplink:**
416 )))
417
418 (((
419 868.1 - SF7BW125 to SF12BW125
420 )))
421
422 (((
423 868.3 - SF7BW125 to SF12BW125 and SF7BW250
424 )))
425
426 (((
427 868.5 - SF7BW125 to SF12BW125
428 )))
429
430 (((
431 867.1 - SF7BW125 to SF12BW125
432 )))
433
434 (((
435 867.3 - SF7BW125 to SF12BW125
436 )))
437
438 (((
439 867.5 - SF7BW125 to SF12BW125
440 )))
441
442 (((
443 867.7 - SF7BW125 to SF12BW125
444 )))
445
446 (((
447 867.9 - SF7BW125 to SF12BW125
448 )))
449
450 (((
451 868.8 - FSK
452 )))
453
454 (((
455
456 )))
457
458 (((
459 (% style="color:blue" %)**Downlink:**
460 )))
461
462 (((
463 Uplink channels 1-9 (RX1)
464 )))
465
466 (((
467 869.525 - SF9BW125 (RX2 downlink only)
468 )))
469
470
471
472 === 2.6.2  US902-928(US915) ===
473
474 (((
475 Used in USA, Canada and South America. Default use CHE=2
476
477 (% style="color:blue" %)**Uplink:**
478
479 903.9 - SF7BW125 to SF10BW125
480
481 904.1 - SF7BW125 to SF10BW125
482
483 904.3 - SF7BW125 to SF10BW125
484
485 904.5 - SF7BW125 to SF10BW125
486
487 904.7 - SF7BW125 to SF10BW125
488
489 904.9 - SF7BW125 to SF10BW125
490
491 905.1 - SF7BW125 to SF10BW125
492
493 905.3 - SF7BW125 to SF10BW125
494
495
496 (% style="color:blue" %)**Downlink:**
497
498 923.3 - SF7BW500 to SF12BW500
499
500 923.9 - SF7BW500 to SF12BW500
501
502 924.5 - SF7BW500 to SF12BW500
503
504 925.1 - SF7BW500 to SF12BW500
505
506 925.7 - SF7BW500 to SF12BW500
507
508 926.3 - SF7BW500 to SF12BW500
509
510 926.9 - SF7BW500 to SF12BW500
511
512 927.5 - SF7BW500 to SF12BW500
513
514 923.3 - SF12BW500(RX2 downlink only)
515
516
517
518 )))
519
520 === 2.6.3  CN470-510 (CN470) ===
521
522 (((
523 Used in China, Default use CHE=1
524 )))
525
526 (((
527 (% style="color:blue" %)**Uplink:**
528 )))
529
530 (((
531 486.3 - SF7BW125 to SF12BW125
532 )))
533
534 (((
535 486.5 - SF7BW125 to SF12BW125
536 )))
537
538 (((
539 486.7 - SF7BW125 to SF12BW125
540 )))
541
542 (((
543 486.9 - SF7BW125 to SF12BW125
544 )))
545
546 (((
547 487.1 - SF7BW125 to SF12BW125
548 )))
549
550 (((
551 487.3 - SF7BW125 to SF12BW125
552 )))
553
554 (((
555 487.5 - SF7BW125 to SF12BW125
556 )))
557
558 (((
559 487.7 - SF7BW125 to SF12BW125
560 )))
561
562 (((
563
564 )))
565
566 (((
567 (% style="color:blue" %)**Downlink:**
568 )))
569
570 (((
571 506.7 - SF7BW125 to SF12BW125
572 )))
573
574 (((
575 506.9 - SF7BW125 to SF12BW125
576 )))
577
578 (((
579 507.1 - SF7BW125 to SF12BW125
580 )))
581
582 (((
583 507.3 - SF7BW125 to SF12BW125
584 )))
585
586 (((
587 507.5 - SF7BW125 to SF12BW125
588 )))
589
590 (((
591 507.7 - SF7BW125 to SF12BW125
592 )))
593
594 (((
595 507.9 - SF7BW125 to SF12BW125
596 )))
597
598 (((
599 508.1 - SF7BW125 to SF12BW125
600 )))
601
602 (((
603 505.3 - SF12BW125 (RX2 downlink only)
604 )))
605
606
607
608 === 2.6.4  AU915-928(AU915) ===
609
610 (((
611 Default use CHE=2
612
613 (% style="color:blue" %)**Uplink:**
614
615 916.8 - SF7BW125 to SF12BW125
616
617 917.0 - SF7BW125 to SF12BW125
618
619 917.2 - SF7BW125 to SF12BW125
620
621 917.4 - SF7BW125 to SF12BW125
622
623 917.6 - SF7BW125 to SF12BW125
624
625 917.8 - SF7BW125 to SF12BW125
626
627 918.0 - SF7BW125 to SF12BW125
628
629 918.2 - SF7BW125 to SF12BW125
630
631
632 (% style="color:blue" %)**Downlink:**
633
634 923.3 - SF7BW500 to SF12BW500
635
636 923.9 - SF7BW500 to SF12BW500
637
638 924.5 - SF7BW500 to SF12BW500
639
640 925.1 - SF7BW500 to SF12BW500
641
642 925.7 - SF7BW500 to SF12BW500
643
644 926.3 - SF7BW500 to SF12BW500
645
646 926.9 - SF7BW500 to SF12BW500
647
648 927.5 - SF7BW500 to SF12BW500
649
650 923.3 - SF12BW500(RX2 downlink only)
651
652
653
654 )))
655
656 === 2.6.5  AS920-923 & AS923-925 (AS923) ===
657
658 (((
659 (% style="color:blue" %)**Default Uplink channel:**
660 )))
661
662 (((
663 923.2 - SF7BW125 to SF10BW125
664 )))
665
666 (((
667 923.4 - SF7BW125 to SF10BW125
668 )))
669
670 (((
671
672 )))
673
674 (((
675 (% style="color:blue" %)**Additional Uplink Channel**:
676 )))
677
678 (((
679 (OTAA mode, channel added by JoinAccept message)
680 )))
681
682 (((
683
684 )))
685
686 (((
687 (% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
688 )))
689
690 (((
691 922.2 - SF7BW125 to SF10BW125
692 )))
693
694 (((
695 922.4 - SF7BW125 to SF10BW125
696 )))
697
698 (((
699 922.6 - SF7BW125 to SF10BW125
700 )))
701
702 (((
703 922.8 - SF7BW125 to SF10BW125
704 )))
705
706 (((
707 923.0 - SF7BW125 to SF10BW125
708 )))
709
710 (((
711 922.0 - SF7BW125 to SF10BW125
712 )))
713
714 (((
715
716 )))
717
718 (((
719 (% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
720 )))
721
722 (((
723 923.6 - SF7BW125 to SF10BW125
724 )))
725
726 (((
727 923.8 - SF7BW125 to SF10BW125
728 )))
729
730 (((
731 924.0 - SF7BW125 to SF10BW125
732 )))
733
734 (((
735 924.2 - SF7BW125 to SF10BW125
736 )))
737
738 (((
739 924.4 - SF7BW125 to SF10BW125
740 )))
741
742 (((
743 924.6 - SF7BW125 to SF10BW125
744 )))
745
746 (((
747
748 )))
749
750 (((
751 (% style="color:blue" %)**Downlink:**
752 )))
753
754 (((
755 Uplink channels 1-8 (RX1)
756 )))
757
758 (((
759 923.2 - SF10BW125 (RX2)
760 )))
761
762
763
764 === 2.6.6  KR920-923 (KR920) ===
765
766 (((
767 (% style="color:blue" %)**Default channel:**
768 )))
769
770 (((
771 922.1 - SF7BW125 to SF12BW125
772 )))
773
774 (((
775 922.3 - SF7BW125 to SF12BW125
776 )))
777
778 (((
779 922.5 - SF7BW125 to SF12BW125
780 )))
781
782 (((
783
784 )))
785
786 (((
787 (% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
788 )))
789
790 (((
791 922.1 - SF7BW125 to SF12BW125
792 )))
793
794 (((
795 922.3 - SF7BW125 to SF12BW125
796 )))
797
798 (((
799 922.5 - SF7BW125 to SF12BW125
800 )))
801
802 (((
803 922.7 - SF7BW125 to SF12BW125
804 )))
805
806 (((
807 922.9 - SF7BW125 to SF12BW125
808 )))
809
810 (((
811 923.1 - SF7BW125 to SF12BW125
812 )))
813
814 (((
815 923.3 - SF7BW125 to SF12BW125
816 )))
817
818 (((
819
820 )))
821
822 (((
823 (% style="color:blue" %)**Downlink:**
824 )))
825
826 (((
827 Uplink channels 1-7(RX1)
828 )))
829
830 (((
831 921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
832 )))
833
834
835
836 === 2.6.7  IN865-867 (IN865) ===
837
838 (((
839 (% style="color:blue" %)**Uplink:**
840 )))
841
842 (((
843 865.0625 - SF7BW125 to SF12BW125
844 )))
845
846 (((
847 865.4025 - SF7BW125 to SF12BW125
848 )))
849
850 (((
851 865.9850 - SF7BW125 to SF12BW125
852 )))
853
854 (((
855
856 )))
857
858 (((
859 (% style="color:blue" %)**Downlink:**
860 )))
861
862 (((
863 Uplink channels 1-3 (RX1)
864 )))
865
866 (((
867 866.550 - SF10BW125 (RX2)
868 )))
869
870
871
872 == 2.7  LED Indicator ==
873
874 The LDDS45 has an internal LED which is to show the status of different state.
875
876
877 * Blink once when device power on.
878 * The device detects the sensor and flashes 5 times.
879 * Solid ON for 5 seconds once device successful Join the network.
880 * Blink once when device transmit a packet.
881
882
883
884
885 == 2.8  ​Firmware Change Log ==
886
887
888 (((
889 **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/]]
890 )))
891
892 (((
893
894 )))
895
896 (((
897 **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
898 )))
899
900
901
902 == 2.9  Mechanical ==
903
904
905 (% 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" %)​
906
907
908
909
910
911 = 3. Battery & How to replace =
912
913 == 3.1 Battery Type ==
914
915 (((
916 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.
917 )))
918
919 (((
920 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
921 )))
922
923 (% 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" %)​
924
925
926 Minimum Working Voltage for the LDDS45:
927
928 LDDS45:  2.45v ~~ 3.6v
929
930
931
932 == 3.2 Replace Battery ==
933
934 (((
935 Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
936 )))
937
938 (((
939 And make sure the positive and negative pins match.
940 )))
941
942
943
944 == 3.3 Power Consumption Analyze ==
945
946 (((
947 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.
948 )))
949
950 (((
951 Instruction to use as below:
952 )))
953
954
955 **Step 1 :**  Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
956
957 [[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/]]
958
959
960 **Step 2 :**  Open it and choose
961
962 * Product Model
963 * Uplink Interval
964 * Working Mode
965
966 And the Life expectation in difference case will be shown on the right.
967
968 (% 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" %)​
969
970
971 The battery related documents as below:
972
973 * (((
974 [[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
975 )))
976 * (((
977 [[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
978 )))
979 * (((
980 [[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]]
981 )))
982
983 (% 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" %)​
984
985
986
987 === 3.3.1 ​Battery Note ===
988
989 (((
990 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.
991 )))
992
993
994
995 === ​3.3.2 Replace the battery ===
996
997 (((
998 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.
999 )))
1000
1001
1002 (((
1003 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).
1004 )))
1005
1006
1007
1008 = 4.  Configure LDDS45 via AT Command or LoRaWAN Downlink =
1009
1010 (((
1011 (((
1012 Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
1013 )))
1014 )))
1015
1016 * (((
1017 (((
1018 AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
1019 )))
1020 )))
1021 * (((
1022 (((
1023 LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1024 )))
1025 )))
1026
1027 (((
1028 (((
1029
1030 )))
1031
1032 (((
1033 There are two kinds of commands to configure LDDS75, they are:
1034 )))
1035 )))
1036
1037 * (((
1038 (((
1039 (% style="color:#4f81bd" %)** General Commands**.
1040 )))
1041 )))
1042
1043 (((
1044 (((
1045 These commands are to configure:
1046 )))
1047 )))
1048
1049 * (((
1050 (((
1051 General system settings like: uplink interval.
1052 )))
1053 )))
1054 * (((
1055 (((
1056 LoRaWAN protocol & radio related command.
1057 )))
1058 )))
1059
1060 (((
1061 (((
1062 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]]
1063 )))
1064 )))
1065
1066 (((
1067 (((
1068
1069 )))
1070 )))
1071
1072 * (((
1073 (((
1074 (% style="color:#4f81bd" %)** Commands special design for LDDS75**
1075 )))
1076 )))
1077
1078 (((
1079 (((
1080 These commands only valid for LDDS75, as below:
1081 )))
1082 )))
1083
1084
1085
1086 == 4.1  Access AT Commands ==
1087
1088 LDDS75 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LDDS75 for using AT command, as below.
1089
1090 (% 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" %)​
1091
1092
1093 Or if you have below board, use below connection:
1094
1095
1096 (% 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" %)​
1097
1098
1099 (((
1100 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:
1101 )))
1102
1103
1104 (% 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" %)​
1105
1106
1107
1108 == 4.2  Set Transmit Interval Time ==
1109
1110 Feature: Change LoRaWAN End Node Transmit Interval.
1111
1112 (% style="color:#037691" %)**AT Command: AT+TDC**
1113
1114 (% 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" %)​
1115
1116
1117 (((
1118 (% style="color:#037691" %)**Downlink Command: 0x01**
1119 )))
1120
1121 (((
1122 (((
1123 Format: Command Code (0x01) followed by 3 bytes time value.
1124
1125 (((
1126 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1127 )))
1128
1129 * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1130 * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1131 )))
1132 )))
1133
1134
1135
1136
1137
1138 == 4.3  Set Interrupt Mode ==
1139
1140 Feature, Set Interrupt mode for GPIO_EXIT.
1141
1142 (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
1143
1144 (% 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" %)​
1145
1146
1147 (% style="color:#037691" %)**Downlink Command: 0x06**
1148
1149 Format: Command Code (0x06) followed by 3 bytes.
1150
1151 (((
1152 This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1153 )))
1154
1155 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1156 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1157
1158 = 5.  FAQ =
1159
1160 == 5.1  What is the frequency plan for LDDS75? ==
1161
1162 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"]]
1163
1164
1165
1166 == 5.2  How to change the LoRa Frequency Bands/Region ==
1167
1168 You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1169 When downloading the images, choose the required image file for download. ​
1170
1171
1172
1173 == 5.3  Can I use LDDS75 in condensation environment? ==
1174
1175 LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1176
1177
1178
1179 = 6.  Trouble Shooting =
1180
1181 == 6.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1182
1183 It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1184
1185
1186 == 6.2  AT Command input doesn't work ==
1187
1188 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.
1189
1190 (((
1191
1192 )))
1193
1194
1195 = 7.  Order Info =
1196
1197
1198 Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
1199
1200
1201 (% style="color:blue" %)**XX**(%%)**: **The default frequency band
1202
1203 * (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
1204 * (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
1205 * (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
1206 * (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
1207 * (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
1208 * (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
1209 * (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
1210 * (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
1211
1212 (% style="color:blue" %)**YY**(%%): Battery Option
1213
1214 * (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1215 * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1216
1217 = 8. ​ Packing Info =
1218
1219
1220 **Package Includes**:
1221
1222 * LDDS75 LoRaWAN Distance Detection Sensor x 1
1223
1224 **Dimension and weight**:
1225
1226 * Device Size: cm
1227 * Device Weight: g
1228 * Package Size / pcs : cm
1229 * Weight / pcs : g
1230
1231 = 9.  ​Support =
1232
1233 * 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.
1234 * 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]].