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Last modified by Xiaoling on 2025/04/27 16:45
From version 152.2
edited by Xiaoling
on 2022/06/14 17:17
Change comment: There is no comment for this version
To version 151.3
edited by Xiaoling
on 2022/06/11 09:30
Change comment: There is no comment for this version

Summary

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1 1  (% style="text-align:center" %)
2 2  [[image:1654846127817-788.png]]
3 3  
4 +**Contents:**
4 4  
5 -
6 -
7 -
8 -**Table of Contents:**
9 -
10 10  {{toc/}}
11 11  
12 12  
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92 92  
93 93  
94 94  
91 +
92 +
95 95  == 1.3  Specification ==
96 96  
97 97  === 1.3.1  Rated environmental conditions ===
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137 137  
138 138  
139 139  
138 +
139 +
140 140  == 1.6  Pin mapping and power on ==
141 141  
142 142  
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291 291  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
292 292  * If the sensor value lower than 0x0118 (280mm), the sensor value will be invalid. Since v1.1.4, all value lower than 280mm will be set to 0x0014(20mm) which means the value is invalid.
293 293  
294 -
295 -
296 296  === 2.3.3  Interrupt Pin ===
297 297  
298 298  This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3A0SetInterruptMode"]] for the hardware and software set up.
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868 868  * Solid ON for 5 seconds once device successful Join the network.
869 869  * Blink once when device transmit a packet.
870 870  
871 -
872 -
873 873  == 2.8  ​Firmware Change Log ==
874 874  
875 875  
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1060 1060  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1061 1061  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1062 1062  )))
1063 -)))
1064 1064  
1065 1065  
1061 +
1062 +)))
1066 1066  
1067 -
1068 -
1069 1069  == 3.3  Set Interrupt Mode ==
1070 1070  
1071 1071  Feature, Set Interrupt mode for GPIO_EXIT.
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1087 1087  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1088 1088  
1089 1089  
1090 -
1091 1091  = 4.  FAQ =
1092 1092  
1093 1093  == 4.1  What is the frequency plan for LDDS75? ==
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1148 1148  * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1149 1149  
1150 1150  
1151 -
1152 1152  = 7. ​ Packing Info =
1153 1153  
1154 1154  
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1164 1164  * Weight / pcs : g
1165 1165  
1166 1166  
1167 -
1168 1168  = 8.  ​Support =
1169 1169  
1170 1170  * 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.