Summary

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Content

...	...	@@ -3,7 +3,6 @@
3	3
4	4	**Contents:**
5	5
6		-{{toc/}}
7	7
8	8
9	9
...	...	@@ -11,7 +11,6 @@
11	11
12	12
13	13
14		-
15	15	= 1.  Introduction =
16	16
17	17	== 1.1 ​ What is LoRaWAN Distance Detection Sensor ==
...	...	@@ -35,7 +35,7 @@
35	35	Each LDDS75 pre-loads with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect if there is network coverage, after power on.
36	36
37	37
38		-(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors
	36	+(% style="color:#4472c4" %) ***** (%%)Actually lifetime depends on network coverage and uplink interval and other factors
39	39	)))
40	40	)))
41	41
...	...	@@ -59,6 +59,7 @@
59	59	* IP66 Waterproof Enclosure
60	60	* 4000mAh or 8500mAh Battery for long term use
61	61
	60	+
62	62	== 1.3  Specification ==
63	63
64	64	=== 1.3.1  Rated environmental conditions ===
...	...	@@ -73,20 +73,15 @@
73	73
74	74	=== 1.3.2  Effective measurement range Reference beam pattern ===
75	75
76		-**(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
	75	+**(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**[[image:image-20220610155021-2.png||height="440" width="1189"]]
77	77
78	78
79	79
80		-[[image:1654852253176-749.png]]
	79	+**(2)** The object to be tested is a "corrugated cardboard box" perpendicular to the central axis of 0 °, and the length * width is 60cm * 50cm.[[image:image-20220610155021-3.png||height="437" width="1192"]]
81	81
	81	+(% style="display:none" %) (%%)
82	82
83		-**(2)** **The object to be tested is a "corrugated cardboard box" perpendicular to the central axis of 0 °, and the length * width is 60cm * 50cm.**
84	84
85		-
86		-[[image:1654852175653-550.png]](% style="display:none" %) ** **
87		-
88		-
89		-
90	90	== 1.5 ​ Applications ==
91	91
92	92	* Horizontal distance measurement
...	...	@@ -99,6 +99,8 @@
99	99	* Sewer
100	100	* Bottom water level monitoring
101	101
	96	+
	97	+
102	102	== 1.6  Pin mapping and power on ==
103	103
104	104
...	...	@@ -105,7 +105,6 @@
105	105	[[image:1654847583902-256.png]]
106	106
107	107
108		-
109	109	= 2.  Configure LDDS75 to connect to LoRaWAN network =
110	110
111	111	== 2.1  How it works ==
...	...	@@ -119,7 +119,6 @@
119	119	)))
120	120
121	121
122		-
123	123	== 2.2  ​Quick guide to connect to LoRaWAN server (OTAA) ==
124	124
125	125	(((
...	...	@@ -127,7 +127,7 @@
127	127	)))
128	128
129	129	(((
130		-[[image:1654848616367-242.png]]
	124	+[[image:1654827857527-556.png]]
131	131	)))
132	132
133	133	(((
...	...	@@ -135,57 +135,57 @@
135	135	)))
136	136
137	137	(((
138		-(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
	132	+(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LSPH01.
139	139	)))
140	140
141	141	(((
142		-Each LDDS75 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
	136	+Each LSPH01 is shipped with a sticker with the default device EUI as below:
143	143	)))
144	144
145	145	[[image:image-20220607170145-1.jpeg]]
146	146
147	147
148		-For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
149	149
150		-Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
	143	+You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
151	151
152		-**Add APP EUI in the application**
153	153
154		-[[image:image-20220610161353-4.png]]
	146	+**Register the device**
155	155
156		-[[image:image-20220610161353-5.png]]
157	157
158		-[[image:image-20220610161353-6.png]]
	149	+[[image:1654592600093-601.png]]
159	159
160	160
161		-[[image:image-20220610161353-7.png]]
162	162
	153	+**Add APP EUI and DEV EUI**
163	163
164		-You can also choose to create the device manually.
	155	+[[image:1654592619856-881.png]]
165	165
166		- [[image:image-20220610161538-8.png]]
167	167
168	168
	159	+**Add APP EUI in the application**
169	169
170		-**Add APP KEY and DEV EUI**
	161	+[[image:1654592632656-512.png]]
171	171
172		-[[image:image-20220610161538-9.png]]
173	173
174	174
	165	+**Add APP KEY**
175	175
176		-(% style="color:blue" %)**Step 2**(%%): Power on LDDS75
	167	+[[image:1654592653453-934.png]]
177	177
178	178
	170	+(% style="color:blue" %)**Step 2**(%%): Power on LLDS12
	171	+
	172	+
179	179	Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
180	180
181		-[[image:image-20220610161724-10.png]]
	175	+[[image:image-20220607170442-2.png]]
182	182
183	183
184	184	(((
185		-(% style="color:blue" %)**Step 3**(%%)**:** The LDDS75 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
	179	+(% style="color:blue" %)**Step 3**(%%)**:** The LLDS12 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
186	186	)))
187	187
188		-[[image:1654849068701-275.png]]
	182	+[[image:1654833501679-968.png]]
189	189
190	190
191	191
...	...	@@ -192,10 +192,11 @@
192	192	== 2.3  ​Uplink Payload ==
193	193
194	194	(((
195		-LDDS75 will uplink payload via LoRaWAN with below payload format:
	189	+LLDS12 will uplink payload via LoRaWAN with below payload format:
	190	+)))
196	196
197		-Uplink payload includes in total 4 bytes.
198		-Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
	192	+(((
	193	+Uplink payload includes in total 11 bytes.
199	199	)))
200	200
201	201	(((
...	...	@@ -205,23 +205,23 @@
205	205	(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
206	206	|=(% style="width: 62.5px;" %)(((
207	207	**Size (bytes)**
208		-)))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
209		-|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
210		-[[Distance>>||anchor="H2.3.3A0Distance"]]
	203	+)))|=(% style="width: 62.5px;" %)**2**|=(% style="width: 62.5px;" %)**2**|=**2**|=**2**|=**1**|=**1**|=**1**
	204	+|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(% style="width:62.5px" %)(((
	205	+[[Temperature DS18B20>>||anchor="H2.3.2A0DS18B20Temperaturesensor"]]
	206	+)))|[[Distance>>||anchor="H2.3.3A0Distance"]]|[[Distance signal strength>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
	207	+[[Interrupt flag>>||anchor="H2.3.5A0InterruptPin"]]
	208	+)))|[[LiDAR temp>>||anchor="H2.3.6A0LiDARtemp"]]|(((
	209	+[[Message Type>>||anchor="H2.3.7A0MessageType"]]
	210	+)))
211	211
212		-(unit: mm)
213		-)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
214		-[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]]
215		-)))|[[Sensor Flag>>path:#Sensor_Flag]]
	212	+[[image:1654833689380-972.png]]
216	216
217		-[[image:1654850511545-399.png]]
218	218
219	219
220		-
221	221	=== 2.3.1  Battery Info ===
222	222
223	223
224		-Check the battery voltage for LDDS75.
	219	+Check the battery voltage for LLDS12.
225	225
226	226	Ex1: 0x0B45 = 2885mV
227	227
...	...	@@ -229,66 +229,103 @@
229	229
230	230
231	231
232		-=== 2.3.2  Distance ===
	227	+=== 2.3.2  DS18B20 Temperature sensor ===
233	233
234		-Get the distance. Flat object range 280mm - 7500mm.
	229	+This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
235	235
236		-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.**
237	237
	232	+**Example**:
238	238
239		-* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
240		-* 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.
	234	+If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
241	241
242		-=== 2.3.3  Interrupt Pin ===
	236	+If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
243	243
244		-This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.2A0SetInterruptMode"]] for the hardware and software set up.
245	245
246		-**Example:**
247	247
248		-0x00: Normal uplink packet.
	240	+=== 2.3.3  Distance ===
249	249
250		-0x01: Interrupt Uplink Packet.
	242	+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.
251	251
252	252
	245	+**Example**:
253	253
254		-=== 2.3.4  DS18B20 Temperature sensor ===
	247	+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.
255	255
256		-This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
257	257
	250	+
	251	+=== 2.3.4  Distance signal strength ===
	252	+
	253	+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.
	254	+
	255	+
258	258	**Example**:
259	259
260		-If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
	258	+If payload is: 01D7(H)=471(D), distance signal strength=471, 471>100,471≠65535, the measured value of Dist is considered credible.
261	261
262		-If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
	260	+Customers can judge whether they need to adjust the environment based on the signal strength.
263	263
264		-(% style="color:red" %)Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.
265	265
266	266
	264	+=== 2.3.5  Interrupt Pin ===
267	267
268		-=== 2.3.5  Sensor Flag ===
	266	+This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.2A0SetInterruptMode"]] for the hardware and software set up.
269	269
270		-0x01: Detect Ultrasonic Sensor
	268	+Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.6A0Pinmappingandpoweron"]].
271	271
272		-0x00: No Ultrasonic Sensor
	270	+**Example:**
273	273
	272	+0x00: Normal uplink packet.
274	274
	274	+0x01: Interrupt Uplink Packet.
275	275
276		-== 2.3.6  Decode payload in The Things Network ==
277	277
	277	+
	278	+=== 2.3.6  LiDAR temp ===
	279	+
	280	+Characterize the internal temperature value of the sensor.
	281	+
	282	+**Example: **
	283	+If payload is: 1C(H) <<24>>24=28(D),LiDAR temp=28℃.
	284	+If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃.
	285	+
	286	+
	287	+
	288	+=== 2.3.7  Message Type ===
	289	+
	290	+(((
	291	+For a normal uplink payload, the message type is always 0x01.
	292	+)))
	293	+
	294	+(((
	295	+Valid Message Type:
	296	+)))
	297	+
	298	+
	299	+(% border="1" cellspacing="10" style="background-color:#ffffcc; width:499px" %)
	300	+|=(% style="width: 160px;" %)**Message Type Code**|=(% style="width: 163px;" %)**Description**|=(% style="width: 173px;" %)**Payload**
	301	+|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3A0200BUplinkPayload"]]
	302	+|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H4.3A0GetFirmwareVersionInfo"]]
	303	+
	304	+=== 2.3.8  Decode payload in The Things Network ===
	305	+
278	278	While using TTN network, you can add the payload format to decode the payload.
279	279
280	280
281		-[[image:1654850829385-439.png]]
	309	+[[image:1654592762713-715.png]]
282	282
283		-The payload decoder function for TTN V3 is here:
	311	+(((
	312	+The payload decoder function for TTN is here:
	313	+)))
284	284
285		-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/]]
	315	+(((
	316	+LLDS12 TTN Payload Decoder: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Decoder/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Decoder/]]
	317	+)))
286	286
287	287
288	288
289	289	== 2.4  Uplink Interval ==
290	290
291		-The LDDS75 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]]
	323	+The LLDS12 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]]
292	292
293	293
294	294
...	...	@@ -319,25 +319,47 @@
319	319
320	320	(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
321	321
322		-(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
	354	+(% style="color:blue" %)**Step 4**(%%)**: Create LLDS12 product.**
323	323
324		-[[image:1654851029373-510.png]]
	356	+[[image:1654832691989-514.png]]
325	325
326	326
327		-After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
	359	+[[image:1654592833877-762.png]]
328	328
329		-[[image:image-20220610165129-11.png||height="595" width="1088"]]
330	330
	362	+[[image:1654832740634-933.png]]
331	331
332	332
333		-== 2.6  Frequency Plans ==
334	334
335	335	(((
336		-The LDDS75 uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
	367	+(% style="color:blue" %)**Step 5**(%%)**: add payload decode**
337	337	)))
338	338
	370	+(((
	371	+
	372	+)))
339	339
	374	+[[image:1654833065139-942.png]]
340	340
	376	+
	377	+
	378	+[[image:1654833092678-390.png]]
	379	+
	380	+
	381	+
	382	+After added, the sensor data arrive TTN, it will also arrive and show in Datacake.
	383	+
	384	+[[image:1654833163048-332.png]]
	385	+
	386	+
	387	+
	388	+== 2.6  Frequency Plans ==
	389	+
	390	+(((
	391	+The LLDS12 uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
	392	+)))
	393	+
	394	+
341	341	=== 2.6.1  EU863-870 (EU868) ===
342	342
343	343	(((
...	...	@@ -401,51 +401,20 @@
401	401	=== 2.6.2  US902-928(US915) ===
402	402
403	403	(((
404		-Used in USA, Canada and South America. Default use CHE=2
	458	+Used in USA, Canada and South America. Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
	459	+)))
405	405
406		-(% style="color:blue" %)**Uplink:**
	461	+(((
	462	+To make sure the end node supports all sub band by default. In the OTAA Join process, the end node will use frequency 1 from sub-band1, then frequency 1 from sub-band2, then frequency 1 from sub-band3, etc to process the OTAA join.
	463	+)))
407	407
408		-903.9 - SF7BW125 to SF10BW125
409		-
410		-904.1 - SF7BW125 to SF10BW125
411		-
412		-904.3 - SF7BW125 to SF10BW125
413		-
414		-904.5 - SF7BW125 to SF10BW125
415		-
416		-904.7 - SF7BW125 to SF10BW125
417		-
418		-904.9 - SF7BW125 to SF10BW125
419		-
420		-905.1 - SF7BW125 to SF10BW125
421		-
422		-905.3 - SF7BW125 to SF10BW125
423		-
424		-
425		-(% style="color:blue" %)**Downlink:**
426		-
427		-923.3 - SF7BW500 to SF12BW500
428		-
429		-923.9 - SF7BW500 to SF12BW500
430		-
431		-924.5 - SF7BW500 to SF12BW500
432		-
433		-925.1 - SF7BW500 to SF12BW500
434		-
435		-925.7 - SF7BW500 to SF12BW500
436		-
437		-926.3 - SF7BW500 to SF12BW500
438		-
439		-926.9 - SF7BW500 to SF12BW500
440		-
441		-927.5 - SF7BW500 to SF12BW500
442		-
443		-923.3 - SF12BW500(RX2 downlink only)
444		-
445		-
446		-
	465	+(((
	466	+After Join success, the end node will switch to the correct sub band by:
447	447	)))
448	448
	469	+* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
	470	+* 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)
	471	+
449	449	=== 2.6.3  CN470-510 (CN470) ===
450	450
451	451	(((
...	...	@@ -534,54 +534,28 @@
534	534
535	535
536	536
	560	+
537	537	=== 2.6.4  AU915-928(AU915) ===
538	538
539	539	(((
540		-Default use CHE=2
	564	+Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
	565	+)))
541	541
542		-(% style="color:blue" %)**Uplink:**
	567	+(((
	568	+To make sure the end node supports all sub band by default. In the OTAA Join process, the end node will use frequency 1 from sub-band1, then frequency 1 from sub-band2, then frequency 1 from sub-band3, etc to process the OTAA join.
	569	+)))
543	543
544		-916.8 - SF7BW125 to SF12BW125
545		-
546		-917.0 - SF7BW125 to SF12BW125
547		-
548		-917.2 - SF7BW125 to SF12BW125
549		-
550		-917.4 - SF7BW125 to SF12BW125
551		-
552		-917.6 - SF7BW125 to SF12BW125
553		-
554		-917.8 - SF7BW125 to SF12BW125
555		-
556		-918.0 - SF7BW125 to SF12BW125
557		-
558		-918.2 - SF7BW125 to SF12BW125
559		-
560		-
561		-(% style="color:blue" %)**Downlink:**
562		-
563		-923.3 - SF7BW500 to SF12BW500
564		-
565		-923.9 - SF7BW500 to SF12BW500
566		-
567		-924.5 - SF7BW500 to SF12BW500
568		-
569		-925.1 - SF7BW500 to SF12BW500
570		-
571		-925.7 - SF7BW500 to SF12BW500
572		-
573		-926.3 - SF7BW500 to SF12BW500
574		-
575		-926.9 - SF7BW500 to SF12BW500
576		-
577		-927.5 - SF7BW500 to SF12BW500
578		-
579		-923.3 - SF12BW500(RX2 downlink only)
580		-
581		-
	571	+(((
582	582
583	583	)))
584	584
	575	+(((
	576	+After Join success, the end node will switch to the correct sub band by:
	577	+)))
	578	+
	579	+* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
	580	+* 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)
	581	+
585	585	=== 2.6.5  AS920-923 & AS923-925 (AS923) ===
586	586
587	587	(((
...	...	@@ -690,6 +690,7 @@
690	690
691	691
692	692
	690	+
693	693	=== 2.6.6  KR920-923 (KR920) ===
694	694
695	695	(((
...	...	@@ -762,6 +762,7 @@
762	762
763	763
764	764
	763	+
765	765	=== 2.6.7  IN865-867 (IN865) ===
766	766
767	767	(((
...	...	@@ -798,20 +798,18 @@
798	798
799	799
800	800
	800	+
801	801	== 2.7  LED Indicator ==
802	802
803		-The LDDS75 has an internal LED which is to show the status of different state.
	803	+The LLDS12 has an internal LED which is to show the status of different state.
804	804
805		-
806		-* Blink once when device power on.
807		-* The device detects the sensor and flashes 5 times.
808		-* Solid ON for 5 seconds once device successful Join the network.
	805	+* The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
809	809	* Blink once when device transmit a packet.
810	810
811	811	== 2.8  ​Firmware Change Log ==
812	812
813	813
814		-**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/]]
	811	+**Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Firmware/]]
815	815
816	816
817	817	**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
...	...	@@ -818,58 +818,71 @@
818	818
819	819
820	820
821		-== 2.9  Mechanical ==
	818	+= 3.  LiDAR ToF Measurement =
822	822
	820	+== 3.1 Principle of Distance Measurement ==
823	823
824		-[[image:image-20220610172003-1.png]]
	822	+The LiDAR probe is based on TOF, namely, Time of Flight principle. To be specific, the product emits modulation wave of near infrared ray on a periodic basis, which will be reflected after contacting object. The product obtains the time of flight by measuring round-trip phase difference and then calculates relative range between the product and the detection object, as shown below.
825	825
826		-[[image:image-20220610172003-2.png]]
	824	+[[image:1654831757579-263.png]]
827	827
828	828
829		-== 2.10  Battery Analysis ==
830	830
831		-=== 2.10.1  Battery Type ===
	828	+== 3.2 Distance Measurement Characteristics ==
832	832
833		-The LDDS75 battery is a combination of a 4000mAh or 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
	830	+With optimization of light path and algorithm, The LiDAR probe has minimized influence from external environment on distance measurement performance. Despite that, the range of distance measurement may still be affected by the environment illumination intensity and the reflectivity of detection object. As shown in below:
834	834
	832	+[[image:1654831774373-275.png]]
835	835
836		-The battery related documents as below:
837	837
838		-* (((
839		-[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
	835	+(((
	836	+(% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
840	840	)))
841		-* (((
842		-[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
	838	+
	839	+(((
	840	+(% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
843	843	)))
844		-* (((
845		-[[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC_1520_datasheet.jpg]], [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC1520%20Technical%20Specification20171123.pdf]]
	842	+
	843	+(((
	844	+(% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
846	846	)))
847	847
848		- [[image:image-20220610172400-3.png]]
849	849
	848	+(((
	849	+Vertical Coordinates: Represents the radius of light spot for The LiDAR probe at the different distances. The diameter of light spot depends on the FOV of The LiDAR probe (the term of FOV generally refers to the smaller value between the receiving angle and the transmitting angle), which is calculated as follows:
	850	+)))
850	850
851	851
852		-=== 2.10.2  Replace the battery ===
	853	+[[image:1654831797521-720.png]]
853	853
854		-(((
855		-You can change the battery in the LDDS75.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board.
856		-)))
857	857
858	858	(((
859		-
	857	+In the formula above, d is the diameter of light spot; D is detecting range; β is the value of the receiving angle of The LiDAR probe, 3.6°. Correspondence between the diameter of light spot and detecting range is given in Table below.
860	860	)))
861	861
	860	+[[image:1654831810009-716.png]]
	861	+
	862	+
862	862	(((
863		-The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user can’t find this pack locally, they can find ER18505 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
	864	+If the light spot reaches two objects with different distances, as shown in Figure 3, the output distance value will be a value between the actual distance values of the two objects. For a high accuracy requirement in practice, the above situation should be noticed to avoid the measurement error.
864	864	)))
865	865
866	866
867	867
868		-= 3.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
	869	+== 3.3 Notice of usage: ==
869	869
	871	+Possible invalid /wrong reading for LiDAR ToF tech:
	872	+
	873	+* Measure high reflectivity object such as: Mirror, Smooth ceramic tile, static milk surface, will have possible wrong readings.
	874	+* While there is transparent object such as glass, water drop between the measured object and the LiDAR sensor, the reading might wrong.
	875	+* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
	876	+* The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window.
	877	+
	878	+= 4.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
	879	+
870	870	(((
871	871	(((
872		-Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
	882	+Use can configure LLDS12 via AT Command or LoRaWAN Downlink.
873	873	)))
874	874	)))
875	875
...	...	@@ -890,7 +890,7 @@
890	890	)))
891	891
892	892	(((
893		-There are two kinds of commands to configure LDDS75, they are:
	903	+There are two kinds of commands to configure LLDS12, they are:
894	894	)))
895	895	)))
896	896
...	...	@@ -931,150 +931,352 @@
931	931
932	932	* (((
933	933	(((
934		-(% style="color:#4f81bd" %)** Commands special design for LDDS75**
	944	+(% style="color:#4f81bd" %)** Commands special design for LLDS12**
935	935	)))
936	936	)))
937	937
938	938	(((
939	939	(((
940		-These commands only valid for LDDS75, as below:
	950	+These commands only valid for LLDS12, as below:
941	941	)))
942	942	)))
943	943
944	944
945	945
946		-== 3.1  Access AT Commands ==
	956	+== 4.1  Set Transmit Interval Time ==
947	947
948		-LDDS75 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LDDS75 for using AT command, as below.
	958	+Feature: Change LoRaWAN End Node Transmit Interval.
949	949
950		-[[image:image-20220610172924-4.png||height="483" width="988"]]
	960	+(% style="color:#037691" %)**AT Command: AT+TDC**
951	951
	962	+[[image:image-20220607171554-8.png]]
952	952
953		-Or if you have below board, use below connection:
954	954
	965	+(((
	966	+(% style="color:#037691" %)**Downlink Command: 0x01**
	967	+)))
955	955
956		-[[image:image-20220610172924-5.png]]
	969	+(((
	970	+Format: Command Code (0x01) followed by 3 bytes time value.
	971	+)))
957	957
	973	+(((
	974	+If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
	975	+)))
958	958
959		-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:
	977	+* (((
	978	+Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
	979	+)))
	980	+* (((
	981	+Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
	982	+)))
960	960
	984	+== 4.2  Set Interrupt Mode ==
961	961
962		- [[image:image-20220610172924-6.png||height="601" width="860"]]
	986	+Feature, Set Interrupt mode for GPIO_EXIT.
963	963
	988	+(% style="color:#037691" %)**AT Command: AT+INTMOD**
964	964
	990	+[[image:image-20220610105806-2.png]]
965	965
966		-== 3.2  Set Transmit Interval Time ==
967	967
968		-Feature: Change LoRaWAN End Node Transmit Interval.
	993	+(((
	994	+(% style="color:#037691" %)**Downlink Command: 0x06**
	995	+)))
969	969
970		-(% style="color:#037691" %)**AT Command: AT+TDC**
	997	+(((
	998	+Format: Command Code (0x06) followed by 3 bytes.
	999	+)))
971	971
972		-[[image:image-20220610173409-7.png]]
	1001	+(((
	1002	+This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
	1003	+)))
973	973
	1005	+* (((
	1006	+Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
	1007	+)))
	1008	+* (((
	1009	+Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
	1010	+)))
974	974
	1012	+== 4.3  Get Firmware Version Info ==
	1013	+
	1014	+Feature: use downlink to get firmware version.
	1015	+
	1016	+(% style="color:#037691" %)**Downlink Command: 0x26**
	1017	+
	1018	+[[image:image-20220607171917-10.png]]
	1019	+
	1020	+* Reply to the confirmation package: 26 01
	1021	+* Reply to non-confirmed packet: 26 00
	1022	+
	1023	+Device will send an uplink after got this downlink command. With below payload:
	1024	+
	1025	+Configures info payload:
	1026	+
	1027	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	1028	+|=(((
	1029	+**Size(bytes)**
	1030	+)))|=**1**|=**1**|=**1**|=**1**|=**1**|=**5**|=**1**
	1031	+|**Value**|Software Type|(((
	1032	+Frequency
	1033	+
	1034	+Band
	1035	+)))|Sub-band|(((
	1036	+Firmware
	1037	+
	1038	+Version
	1039	+)))|Sensor Type|Reserve|(((
	1040	+[[Message Type>>||anchor="H2.3.7A0MessageType"]]
	1041	+Always 0x02
	1042	+)))
	1043	+
	1044	+**Software Type**: Always 0x03 for LLDS12
	1045	+
	1046	+
	1047	+**Frequency Band**:
	1048	+
	1049	+*0x01: EU868
	1050	+
	1051	+*0x02: US915
	1052	+
	1053	+*0x03: IN865
	1054	+
	1055	+*0x04: AU915
	1056	+
	1057	+*0x05: KZ865
	1058	+
	1059	+*0x06: RU864
	1060	+
	1061	+*0x07: AS923
	1062	+
	1063	+*0x08: AS923-1
	1064	+
	1065	+*0x09: AS923-2
	1066	+
	1067	+*0xa0: AS923-3
	1068	+
	1069	+
	1070	+**Sub-Band**: value 0x00 ~~ 0x08
	1071	+
	1072	+
	1073	+**Firmware Version**: 0x0100, Means: v1.0.0 version
	1074	+
	1075	+
	1076	+**Sensor Type**:
	1077	+
	1078	+0x01: LSE01
	1079	+
	1080	+0x02: LDDS75
	1081	+
	1082	+0x03: LDDS20
	1083	+
	1084	+0x04: LLMS01
	1085	+
	1086	+0x05: LSPH01
	1087	+
	1088	+0x06: LSNPK01
	1089	+
	1090	+0x07: LLDS12
	1091	+
	1092	+
	1093	+
	1094	+= 5.  Battery & How to replace =
	1095	+
	1096	+== 5.1  Battery Type ==
	1097	+
975	975	(((
976		-(% style="color:#037691" %)**Downlink Command: 0x01**
	1099	+LLDS12 is equipped with a [[8500mAH ER26500 Li-SOCI2 battery>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]. The battery is un-rechargeable battery with low discharge rate targeting for 8~~10 years use. This type of battery is commonly used in IoT target for long-term running, such as water meter.
977	977	)))
978	978
979	979	(((
	1103	+The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
	1104	+)))
	1105	+
	1106	+[[image:1654593587246-335.png]]
	1107	+
	1108	+
	1109	+Minimum Working Voltage for the LLDS12:
	1110	+
	1111	+LLDS12:  2.45v ~~ 3.6v
	1112	+
	1113	+
	1114	+
	1115	+== 5.2  Replace Battery ==
	1116	+
980	980	(((
981		-Format: Command Code (0x01) followed by 3 bytes time value.
	1118	+Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
	1119	+)))
982	982
983		-If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
	1121	+(((
	1122	+And make sure the positive and negative pins match.
	1123	+)))
984	984
985		-* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
986		-* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
	1125	+
	1126	+
	1127	+== 5.3  Power Consumption Analyze ==
	1128	+
	1129	+(((
	1130	+Dragino Battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
987	987	)))
988	988
	1133	+(((
	1134	+Instruction to use as below:
	1135	+)))
989	989
990		-
	1137	+
	1138	+**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
	1139	+
	1140	+[[https:~~/~~/www.dragino.com/downloads/index.pHp?dir=LoRa_End_Node/Battery_Analyze/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/]]
	1141	+
	1142	+
	1143	+**Step 2**: Open it and choose
	1144	+
	1145	+* Product Model
	1146	+* Uplink Interval
	1147	+* Working Mode
	1148	+
	1149	+And the Life expectation in difference case will be shown on the right.
	1150	+
	1151	+[[image:1654593605679-189.png]]
	1152	+
	1153	+
	1154	+The battery related documents as below:
	1155	+
	1156	+* (((
	1157	+[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
991	991	)))
	1159	+* (((
	1160	+[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
	1161	+)))
	1162	+* (((
	1163	+[[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC_1520_datasheet.jpg]], [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC1520%20Technical%20Specification20171123.pdf]]
	1164	+)))
992	992
993		-== 3.3  Set Interrupt Mode ==
	1166	+[[image:image-20220607172042-11.png]]
994	994
995		-Feature, Set Interrupt mode for GPIO_EXIT.
996	996
997		-(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
998	998
999		-[[image:image-20220610174917-9.png]]
	1170	+=== 5.3.1  ​Battery Note ===
1000	1000
	1172	+(((
	1173	+The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.
	1174	+)))
1001	1001
1002		-(% style="color:#037691" %)**Downlink Command: 0x06**
1003	1003
1004		-Format: Command Code (0x06) followed by 3 bytes.
1005	1005
1006		-This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
	1178	+=== ​5.3.2  Replace the battery ===
1007	1007
1008		-* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1009		-* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
	1180	+(((
	1181	+You can change the battery in the LLDS12.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board.
	1182	+)))
1010	1010
	1184	+(((
	1185	+The default battery pack of LLDS12 includes a ER26500 plus super capacitor. If user can’t find this pack locally, they can find ER26500 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
	1186	+)))
1011	1011
1012		-= 4.  FAQ =
1013	1013
1014		-== 4.1  What is the frequency plan for LDDS75? ==
1015	1015
1016		-LDDS75 use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
	1190	+= 6.  Use AT Command =
1017	1017
	1192	+== 6.1  Access AT Commands ==
1018	1018
	1194	+LLDS12 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LLDS12 for using AT command, as below.
1019	1019
1020		-== 4.2  How to change the LoRa Frequency Bands/Region ==
	1196	+[[image:1654593668970-604.png]]
1021	1021
1022		-You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1023		-When downloading the images, choose the required image file for download. ​
	1198	+**Connection:**
1024	1024
	1200	+(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
1025	1025
	1202	+(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
1026	1026
1027		-== 4.3  Can I use LDDS75 in condensation environment? ==
	1204	+(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
1028	1028
1029		-LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1030	1030
	1207	+(((
	1208	+(((
	1209	+In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12.
	1210	+)))
1031	1031
	1212	+(((
	1213	+LLDS12 will output system info once power on as below:
	1214	+)))
	1215	+)))
1032	1032
1033		-= 5.  Trouble Shooting =
1034	1034
1035		-== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
	1218	+ [[image:1654593712276-618.png]]
1036	1036
1037		-It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
	1220	+Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1038	1038
1039	1039
1040		-== 5.2  AT Command input doesn't work ==
	1223	+= 7.  FAQ =
1041	1041
	1225	+== 7.1  How to change the LoRa Frequency Bands/Region ==
	1226	+
	1227	+You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
	1228	+When downloading the images, choose the required image file for download. ​
	1229	+
	1230	+
	1231	+= 8.  Trouble Shooting =
	1232	+
	1233	+== 8.1  AT Commands input doesn’t work ==
	1234	+
	1235	+
	1236	+(((
1042	1042	In the case if user can see the console output but can’t type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn’t send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
	1238	+)))
1043	1043
	1240	+
	1241	+== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
	1242	+
	1243	+
1044	1044	(((
	1245	+(% style="color:blue" %)**Cause ①**(%%)**：**Due to the physical principles of The LiDAR probe, the above phenomenon is likely to occur if the detection object is the material with high reflectivity (such as mirror, smooth floor tile, etc.) or transparent substance (such as glass and water, etc.)
	1246	+)))
	1247	+
	1248	+(((
	1249	+Troubleshooting: Please avoid use of this product under such circumstance in practice.
	1250	+)))
	1251	+
	1252	+(((
1045	1045
1046	1046	)))
1047	1047
	1256	+(((
	1257	+(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
	1258	+)))
1048	1048
1049		-= 6.  Order Info =
	1260	+(((
	1261	+Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
	1262	+)))
1050	1050
1051	1051
1052		-Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
1053	1053
	1266	+= 9.  Order Info =
1054	1054
1055		-(% style="color:blue" %)**XX**(%%)**: **The default frequency band
1056	1056
1057		-* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
1058		-* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
1059		-* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
1060		-* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
1061		-* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
1062		-* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
1063		-* (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
1064		-* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
	1269	+Part Number: (% style="color:blue" %)**LLDS12-XX**
1065	1065
1066		-(% style="color:blue" %)**YY**(%%): Battery Option
1067	1067
1068		-* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1069		-* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
	1272	+(% style="color:blue" %)**XX**(%%): The default frequency band
1070	1070
	1274	+* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
	1275	+* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
	1276	+* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
	1277	+* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
	1278	+* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
	1279	+* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
	1280	+* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
	1281	+* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1071	1071
1072		-= 7. ​ Packing Info =
1073	1073
	1284	+= 10. ​ Packing Info =
1074	1074
	1286	+
1075	1075	**Package Includes**:
1076	1076
1077		-* LDDS75 LoRaWAN Distance Detection Sensor x 1
	1289	+* LLDS12 LoRaWAN LiDAR Distance Sensor x 1
1078	1078
1079	1079	**Dimension and weight**:
1080	1080
...	...	@@ -1084,7 +1084,7 @@
1084	1084	* Weight / pcs : g
1085	1085
1086	1086
1087		-= 8.  ​Support =
	1299	+= 11.  ​Support =
1088	1088
1089	1089	* 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.
1090	1090	* 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]].

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