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4	4
5	5	**Contents:**
6	6
7		-{{toc/}}
8	8
9	9
10	10
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11	11
12	12
13	13
14		-
15	15	= 1.  Introduction =
16	16
17	17	== 1.1 ​ What is LoRaWAN LiDAR ToF Distance Sensor ==
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19	19	(((
20	20
21	21
22		-(((
23	23	The Dragino LLDS12 is a (% style="color:blue" %)**LoRaWAN LiDAR ToF (Time of Flight) Distance Sensor**(%%) for Internet of Things solution. It is capable to measure the distance to an object as close as 10 centimeters (+/- 5cm up to 6m) and as far as 12 meters (+/-1% starting at 6m)!. The LiDAR probe uses laser induction technology for distance measurement.
24		-)))
25	25
26		-(((
27	27	The LLDS12 can be applied to scenarios such as horizontal distance measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, etc.
28		-)))
29	29
30		-(((
31	31	It detects the distance between the measured object and the sensor, and uploads the value via wireless to LoRaWAN IoT Server.
32		-)))
33	33
34		-(((
35	35	The LoRa wireless technology used in LLDS12 allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
36		-)))
37	37
38		-(((
39	39	LLDS12 is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
40		-)))
41	41
42		-(((
43	43	Each LLDS12 is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
44	44	)))
45		-)))
46	46
47	47
48	48	[[image:1654826306458-414.png]]
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65	65
66	66
67	67
68		-
69	69	== 1.3  Probe Specification ==
70	70
71	71	* Storage temperature ：-20℃~~75℃
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83	83
84	84
85	85
86		-
87	87	== 1.4  Probe Dimension ==
88	88
89	89
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90	90	[[image:1654827224480-952.png]]
91	91
92	92
	77	+
93	93	== 1.5 ​ Applications ==
94	94
95	95	* Horizontal distance measurement
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102	102
103	103
104	104
105		-
106	106	== 1.6  Pin mapping and power on ==
107	107
108	108
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110	110
111	111
112	112
	97	+
113	113	= 2.  Configure LLDS12 to connect to LoRaWAN network =
114	114
115	115	== 2.1  How it works ==
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213	213	|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1BatteryInfo"]]|(% style="width:62.5px" %)(((
214	214	[[Temperature>>||anchor="H2.3.2DS18B20Temperaturesensor"]]
215	215
216		-[[DS18B20>>||anchor="H2.3.2DS18B20Temperaturesensor"]]
217		-)))|[[Distance>>||anchor="H"]]|[[Distance signal strength>>||anchor="H2.3.4SoilTemperature"]]|(((
218		-[[Interrupt flag>>||anchor="H2.3.5InterruptPin"]]
219		-)))|[[LiDAR temp>>||anchor="H"]]|(((
	201	+[[(Optional)>>||anchor="H2.3.2DS18B20Temperaturesensor"]]
	202	+)))|[[Soil pH>>||anchor="H2.3.3SoilpH"]]|[[Soil Temperature>>||anchor="H2.3.4SoilTemperature"]]|(((
	203	+[[Digital Interrupt (Optional)>>||anchor="H2.3.5InterruptPin"]]
	204	+)))|Reserve|(((
220	220	[[Message Type>>||anchor="H2.3.6MessageType"]]
221	221	)))
222	222
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224	224
225	225
226	226
227		-=== 2.3.1  Battery Info ===
	212	+=== 2.3.1 Battery Info ===
228	228
229	229
230		-Check the battery voltage for LLDS12.
	215	+Check the battery voltage for LSPH01.
231	231
232	232	Ex1: 0x0B45 = 2885mV
233	233
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235	235
236	236
237	237
238		-=== 2.3.2  DS18B20 Temperature sensor ===
	223	+=== 2.3.2 DS18B20 Temperature sensor ===
239	239
240	240	This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
241	241
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248	248
249	249
250	250
251		-=== 2.3.3  Distance ===
	236	+=== 2.3.3 Soil pH ===
252	252
253		-Represents the distance value of the measurement output, the default unit is cm, and the value range parsed as a decimal number is 0-1200. In actual use, when the signal strength value Strength.
	238	+Range: 0 ~~ 14 pH
254	254
	240	+**Example:**
255	255
256		-**Example**:
	242	+(% style="color:#037691" %)** 0x02B7(H) = 695(D) = 6.95pH**
257	257
258		-If the data you get from the register is 0x0B 0xEA, the distance between the sensor and the measured object is 0BEA(H) = 3050 (D)/10 = 305cm.
259	259
260	260
	246	+=== 2.3.4 Soil Temperature ===
261	261
262		-=== 2.3.4  Distance signal strength ===
	248	+Get Soil Temperature
263	263
264		-Refers to the signal strength, the default output value will be between 0-65535. When the distance measurement gear is fixed, the farther the distance measurement is, the lower the signal strength; the lower the target reflectivity, the lower the signal strength. When Strength is greater than 100 and not equal to 65535, the measured value of Dist is considered credible.
265	265
266		-
267	267	**Example**:
268	268
269		-If payload is: 01D7(H)=471(D), distance signal strength=471, 471>100,471≠65535, the measured value of Dist is considered credible.
	253	+If payload is: **0105H**:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
270	270
271		-Customers can judge whether they need to adjust the environment based on the signal strength.
	255	+If payload is: **FF3FH** :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
272	272
273	273
274	274
275		-=== 2.3.5  Interrupt Pin ===
	259	+=== 2.3.5 Interrupt Pin ===
276	276
277	277	This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.2SetInterruptMode"]] for the hardware and software set up.
278	278
279		-Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>path:#pins]].
280	280
281	281	**Example:**
282	282
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286	286
287	287
288	288
289		-=== 2.3.6  LiDAR temp ===
	272	+=== 2.3.6 Message Type ===
290	290
291		-Characterize the internal temperature value of the sensor.
292		-
293		-**Example: **
294		-If payload is: 1C(H) <<24>>24=28(D),LiDAR temp=28℃.
295		-If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃.
296		-
297		-
298		-
299		-=== 2.3.7  Message Type ===
300		-
301	301	(((
302	302	For a normal uplink payload, the message type is always 0x01.
303	303	)))
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311	311	|=(% style="width: 160px;" %)**Message Type Code**|=(% style="width: 163px;" %)**Description**|=(% style="width: 173px;" %)**Payload**
312	312	|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3200BUplinkPayload"]]
313	313	|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H3.4GetFirmwareVersionInfo"]]
	287	+|(% style="width:160px" %)0x03|(% style="width:163px" %)Reply Calibration Info|(% style="width:173px" %)[[Calibration Payload>>||anchor="H2.7Calibration"]]
314	314
	289	+=== 2.3.7 Decode payload in The Things Network ===
315	315
316		-=== 2.3.8  Decode payload in The Things Network ===
317		-
318	318	While using TTN network, you can add the payload format to decode the payload.
319	319
320	320
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481	481	* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
482	482	* Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include)
483	483
484		-=== 2.6.3  CN470-510 (CN470) ===
	457	+=== 2.6.3 CN470-510 (CN470) ===
485	485
486	486	(((
487	487	Used in China, Default use CHE=1
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570	570
571	571
572	572
573		-=== 2.6.4  AU915-928(AU915) ===
	546	+=== 2.6.4 AU915-928(AU915) ===
574	574
575	575	(((
576	576	Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
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591	591	* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
592	592	* Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include)
593	593
594		-=== 2.6.5  AS920-923 & AS923-925 (AS923) ===
	567	+=== 2.6.5 AS920-923 & AS923-925 (AS923) ===
595	595
596	596	(((
597	597	(% style="color:blue" %)**Default Uplink channel:**
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700	700
701	701
702	702
703		-=== 2.6.6  KR920-923 (KR920) ===
	676	+=== 2.6.6 KR920-923 (KR920) ===
704	704
705	705	(((
706	706	(% style="color:blue" %)**Default channel:**
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773	773
774	774
775	775
776		-=== 2.6.7  IN865-867 (IN865) ===
	749	+=== 2.6.7 IN865-867 (IN865) ===
777	777
778	778	(((
779	779	(% style="color:blue" %)**Uplink:**
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817	817	* The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
818	818	* Blink once when device transmit a packet.
819	819
	793	+
820	820	== 2.8  ​Firmware Change Log ==
821	821
822	822
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1270	1270
1271	1271	* 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.
1272	1272	* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]].
	1247	+