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...	...	@@ -86,6 +86,7 @@
86	86	* IP66 Waterproof Enclosure
87	87	* 4000mAh or 8500mAh Battery for long term use
88	88
	89	+
89	89	== 1.3  Specification ==
90	90
91	91	=== 1.3.1  Rated environmental conditions ===
...	...	@@ -129,6 +129,8 @@
129	129	* Sewer
130	130	* Bottom water level monitoring
131	131
	133	+
	134	+
132	132	== 1.6  Pin mapping and power on ==
133	133
134	134
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228	228	== 2.3  ​Uplink Payload ==
229	229
230	230	(((
231		-(((
232	232	LDDS75 will uplink payload via LoRaWAN with below payload format:
233		-)))
234	234
235		-(((
236	236	Uplink payload includes in total 4 bytes.
237	237	Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
238	238	)))
239		-)))
240	240
241	241	(((
242	242
...	...	@@ -271,13 +271,9 @@
271	271
272	272	=== 2.3.2  Distance ===
273	273
274		-(((
275	275	Get the distance. Flat object range 280mm - 7500mm.
276		-)))
277	277
278		-(((
279	279	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.**
280		-)))
281	281
282	282
283	283	* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
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311	311
312	312	=== 2.3.5  Sensor Flag ===
313	313
314		-(((
315	315	0x01: Detect Ultrasonic Sensor
316		-)))
317	317
318		-(((
319	319	0x00: No Ultrasonic Sensor
320		-)))
321	321
322	322
323	323
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330	330
331	331	The payload decoder function for TTN V3 is here:
332	332
333		-(((
334	334	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/]]
335		-)))
336	336
337	337
338	338
...	...	@@ -858,21 +858,13 @@
858	858	* Solid ON for 5 seconds once device successful Join the network.
859	859	* Blink once when device transmit a packet.
860	860
861		-
862	862	== 2.8  ​Firmware Change Log ==
863	863
864	864
865		-(((
866	866	**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/]]
867		-)))
868	868
869		-(((
870		-
871		-)))
872	872
873		-(((
874	874	**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
875		-)))
876	876
877	877
878	878
...	...	@@ -1016,9 +1016,7 @@
1016	1016	[[image:image-20220610172924-5.png]]
1017	1017
1018	1018
1019		-(((
1020	1020	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:
1021		-)))
1022	1022
1023	1023
1024	1024	[[image:image-20220610172924-6.png||height="601" width="860"]]
...	...	@@ -1042,9 +1042,7 @@
1042	1042	(((
1043	1043	Format: Command Code (0x01) followed by 3 bytes time value.
1044	1044
1045		-(((
1046	1046	If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1047		-)))
1048	1048
1049	1049	* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1050	1050	* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
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1067	1067
1068	1068	Format: Command Code (0x06) followed by 3 bytes.
1069	1069
1070		-(((
1071	1071	This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1072		-)))
1073	1073
1074	1074	* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1075	1075	* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1076	1076
1077		-
1078		-
1079	1079	= 4.  FAQ =
1080	1080
1081	1081	== 4.1  What is the frequency plan for LDDS75? ==
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1135	1135	* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1136	1136	* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1137	1137
1138		-
1139		-
1140	1140	= 7. ​ Packing Info =
1141	1141
1142	1142
...	...	@@ -1151,8 +1151,6 @@
1151	1151	* Package Size / pcs : cm
1152	1152	* Weight / pcs : g
1153	1153
1154		-
1155		-
1156	1156	= 8.  ​Support =
1157	1157
1158	1158	* 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.