<
From version < 151.3 >
edited by Xiaoling
on 2022/06/11 09:30
To version < 150.49 >
edited by Xiaoling
on 2022/06/11 09:18
>
Change comment: There is no comment for this version

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... ... @@ -87,9 +87,6 @@
87 87  * 4000mAh or 8500mAh Battery for long term use
88 88  
89 89  
90 -
91 -
92 -
93 93  == 1.3  Specification ==
94 94  
95 95  === 1.3.1  Rated environmental conditions ===
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135 135  
136 136  
137 137  
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  
289 +
290 +
291 +
294 294  === 2.3.3  Interrupt Pin ===
295 295  
296 296  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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319 319  
320 320  === 2.3.5  Sensor Flag ===
321 321  
322 -(((
323 323  0x01: Detect Ultrasonic Sensor
324 -)))
325 325  
326 -(((
327 327  0x00: No Ultrasonic Sensor
328 -)))
329 329  
330 330  
331 331  
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338 338  
339 339  The payload decoder function for TTN V3 is here:
340 340  
341 -(((
342 342  LDDS75 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/]]
343 -)))
344 344  
345 345  
346 346  
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869 869  == 2.8  ​Firmware Change Log ==
870 870  
871 871  
872 -(((
873 873  **Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]]
874 -)))
875 875  
876 -(((
877 -
878 -)))
879 879  
880 -(((
881 881  **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
882 -)))
883 883  
884 884  
885 885  
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1023 1023  [[image:image-20220610172924-5.png]]
1024 1024  
1025 1025  
1026 -(((
1027 1027  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:
1028 -)))
1029 1029  
1030 1030  
1031 1031   [[image:image-20220610172924-6.png||height="601" width="860"]]
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1049 1049  (((
1050 1050  Format: Command Code (0x01) followed by 3 bytes time value.
1051 1051  
1052 -(((
1053 1053  If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1054 -)))
1055 1055  
1056 1056  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1057 1057  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
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1074 1074  
1075 1075  Format: Command Code (0x06) followed by 3 bytes.
1076 1076  
1077 -(((
1078 1078  This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1079 -)))
1080 1080  
1081 1081  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1082 1082  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1083 1083  
1084 -
1085 1085  = 4.  FAQ =
1086 1086  
1087 1087  == 4.1  What is the frequency plan for LDDS75? ==
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1141 1141  * (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1142 1142  * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1143 1143  
1144 -
1145 1145  = 7. ​ Packing Info =
1146 1146  
1147 1147  
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1156 1156  * Package Size / pcs : cm
1157 1157  * Weight / pcs : g
1158 1158  
1159 -
1160 1160  = 8.  ​Support =
1161 1161  
1162 1162  * 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.
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