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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 ==
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142	142
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295	295
296	296
297		-
298	298	=== 2.3.3  Interrupt Pin ===
299	299
300	300	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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323	323
324	324	=== 2.3.5  Sensor Flag ===
325	325
326		-(((
327	327	0x01: Detect Ultrasonic Sensor
328		-)))
329	329
330		-(((
331	331	0x00: No Ultrasonic Sensor
332		-)))
333	333
334	334
335	335
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342	342
343	343	The payload decoder function for TTN V3 is here:
344	344
345		-(((
346	346	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/]]
347		-)))
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349	349
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870	870	* Solid ON for 5 seconds once device successful Join the network.
871	871	* Blink once when device transmit a packet.
872	872
873		-
874		-
875		-
876		-
877	877	== 2.8  ​Firmware Change Log ==
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879	879
880		-(((
881	881	**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/]]
882		-)))
883	883
884		-(((
885		-
886		-)))
887	887
888		-(((
889	889	**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
890		-)))
891	891
892	892
893	893
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1031	1031	[[image:image-20220610172924-5.png]]
1032	1032
1033	1033
1034		-(((
1035	1035	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:
1036		-)))
1037	1037
1038	1038
1039	1039	[[image:image-20220610172924-6.png||height="601" width="860"]]
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1057	1057	(((
1058	1058	Format: Command Code (0x01) followed by 3 bytes time value.
1059	1059
1060		-(((
1061	1061	If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1062		-)))
1063	1063
1064	1064	* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1065	1065	* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
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1082	1082
1083	1083	Format: Command Code (0x06) followed by 3 bytes.
1084	1084
1085		-(((
1086	1086	This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1087		-)))
1088	1088
1089	1089	* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1090	1090	* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1091	1091
1092		-
1093	1093	= 4.  FAQ =
1094	1094
1095	1095	== 4.1  What is the frequency plan for LDDS75? ==
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1149	1149	* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1150	1150	* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1151	1151
1152		-
1153	1153	= 7. ​ Packing Info =
1154	1154
1155	1155
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1164	1164	* Package Size / pcs : cm
1165	1165	* Weight / pcs : g
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.