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Title

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1		-LDDS45 - LoRaWAN Distance Detection Sensor User Manual
	1	+LDDS75 - LoRaWAN Distance Detection Sensor User Manual

Content

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1	1	(% style="text-align:center" %)
2		-[[image:1654912614655-664.png||height="530" width="628"]]
	2	+[[image:1654846127817-788.png]]
3	3
4	4	**Contents:**
5	5
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45	45	)))
46	46
47	47	(((
48		-LDDS75 is powered by (% style="color:#4472c4" %)** 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
	48	+LDDS75 is powered by (% style="color:#4472c4" %)** 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
49	49	)))
50	50
51	51	(((
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62	62
63	63	(((
64	64	(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors.
65		-
66		-
67	67	)))
68	68	)))
69	69	)))
70	70
71		-[[image:1654912858581-740.png]]
72	72
	70	+[[image:1654847051249-359.png]]
73	73
74	74
75	75
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89	89	* 4000mAh or 8500mAh Battery for long term use
90	90
91	91
92		-
93	93	== 1.3  Specification ==
94	94
95	95	=== 1.3.1  Rated environmental conditions ===
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277	277
278	278	=== 2.3.2  Distance ===
279	279
280		-(((
281	281	Get the distance. Flat object range 280mm - 7500mm.
282		-)))
283	283
284		-(((
285	285	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.**
286		-)))
287	287
288	288
289	289	* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
290	290	* 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.
291	291
292		-
293		-
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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866	866	* Solid ON for 5 seconds once device successful Join the network.
867	867	* Blink once when device transmit a packet.
868	868
869		-
870		-
871	871	== 2.8  ​Firmware Change Log ==
872	872
873	873
874		-(((
875	875	**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/]]
876		-)))
877	877
878		-(((
879		-
880		-)))
881	881
882		-(((
883	883	**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
884		-)))
885	885
886	886
887	887
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1025	1025	[[image:image-20220610172924-5.png]]
1026	1026
1027	1027
1028		-(((
1029	1029	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:
1030		-)))
1031	1031
1032	1032
1033	1033	[[image:image-20220610172924-6.png||height="601" width="860"]]
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1051	1051	(((
1052	1052	Format: Command Code (0x01) followed by 3 bytes time value.
1053	1053
1054		-(((
1055	1055	If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1056		-)))
1057	1057
1058	1058	* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1059	1059	* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1060	1060	)))
1061		-)))
1062	1062
1063	1063
	1035	+
	1036	+)))
1064	1064
1065		-
1066		-
1067	1067	== 3.3  Set Interrupt Mode ==
1068	1068
1069	1069	Feature, Set Interrupt mode for GPIO_EXIT.
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1077	1077
1078	1078	Format: Command Code (0x06) followed by 3 bytes.
1079	1079
1080		-(((
1081	1081	This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1082		-)))
1083	1083
1084	1084	* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1085	1085	* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1086	1086
1087		-
1088		-
1089	1089	= 4.  FAQ =
1090	1090
1091	1091	== 4.1  What is the frequency plan for LDDS75? ==
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1145	1145	* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1146	1146	* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1147	1147
1148		-
1149		-
1150	1150	= 7. ​ Packing Info =
1151	1151
1152	1152
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1161	1161	* Package Size / pcs : cm
1162	1162	* Weight / pcs : g
1163	1163
1164		-
1165		-
1166	1166	= 8.  ​Support =
1167	1167
1168	1168	* 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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