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57	57	* IP66 Waterproof Enclosure
58	58	* 4000mAh or 8500mAh Battery for long term use
59	59
	60	+
	61	+
60	60	== 1.3  Specification ==
61	61
62	62	=== 1.3.1  Rated environmental conditions ===
...	...	@@ -71,15 +71,20 @@
71	71
72	72	=== 1.3.2  Effective measurement range Reference beam pattern ===
73	73
74		-**(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"]]
	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	75
76	76
77	77
78		-**(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"]]
	80	+[[image:1654852253176-749.png]]
79	79
80		-(% style="display:none" %) (%%)
81	81
	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.**
82	82
	85	+
	86	+[[image:1654852175653-550.png]](% style="display:none" %) ** **
	87	+
	88	+
	89	+
83	83	== 1.5 ​ Applications ==
84	84
85	85	* Horizontal distance measurement
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93	93	* Bottom water level monitoring
94	94
95	95
	103	+
96	96	== 1.6  Pin mapping and power on ==
97	97
98	98
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99	99	[[image:1654847583902-256.png]]
100	100
101	101
	110	+
102	102	= 2.  Configure LDDS75 to connect to LoRaWAN network =
103	103
104	104	== 2.1  How it works ==
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112	112	)))
113	113
114	114
	124	+
115	115	== 2.2  ​Quick guide to connect to LoRaWAN server (OTAA) ==
116	116
117	117	(((
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184	184	== 2.3  ​Uplink Payload ==
185	185
186	186	(((
187		-LLDS12 will uplink payload via LoRaWAN with below payload format:
188		-)))
	197	+LDDS75 will uplink payload via LoRaWAN with below payload format:
189	189
190		-(((
191		-Uplink payload includes in total 11 bytes.
	199	+Uplink payload includes in total 4 bytes.
	200	+Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
192	192	)))
193	193
194	194	(((
...	...	@@ -198,23 +198,23 @@
198	198	(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
199	199	|=(% style="width: 62.5px;" %)(((
200	200	**Size (bytes)**
201		-)))|=(% style="width: 62.5px;" %)**2**|=(% style="width: 62.5px;" %)**2**|=**2**|=**2**|=**1**|=**1**|=**1**
202		-|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(% style="width:62.5px" %)(((
203		-[[Temperature DS18B20>>||anchor="H2.3.2A0DS18B20Temperaturesensor"]]
204		-)))|[[Distance>>||anchor="H2.3.3A0Distance"]]|[[Distance signal strength>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
205		-[[Interrupt flag>>||anchor="H2.3.5A0InterruptPin"]]
206		-)))|[[LiDAR temp>>||anchor="H2.3.6A0LiDARtemp"]]|(((
207		-[[Message Type>>||anchor="H2.3.7A0MessageType"]]
208		-)))
	210	+)))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
	211	+|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
	212	+[[Distance>>||anchor="H2.3.3A0Distance"]]
209	209
210		-[[image:1654833689380-972.png]]
	214	+(unit: mm)
	215	+)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
	216	+[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]]
	217	+)))|[[Sensor Flag>>path:#Sensor_Flag]]
211	211
	219	+[[image:1654850511545-399.png]]
212	212
213	213
	222	+
214	214	=== 2.3.1  Battery Info ===
215	215
216	216
217		-Check the battery voltage for LLDS12.
	226	+Check the battery voltage for LDDS75.
218	218
219	219	Ex1: 0x0B45 = 2885mV
220	220
...	...	@@ -222,49 +222,22 @@
222	222
223	223
224	224
225		-=== 2.3.2  DS18B20 Temperature sensor ===
	234	+=== 2.3.2  Distance ===
226	226
227		-This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
	236	+Get the distance. Flat object range 280mm - 7500mm.
228	228
	238	+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.**
229	229
230		-**Example**:
231	231
232		-If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
	241	+* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
	242	+* 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.
233	233
234		-If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
235	235
236	236
	246	+=== 2.3.3  Interrupt Pin ===
237	237
238		-=== 2.3.3  Distance ===
239		-
240		-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.
241		-
242		-
243		-**Example**:
244		-
245		-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.
246		-
247		-
248		-
249		-=== 2.3.4  Distance signal strength ===
250		-
251		-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.
252		-
253		-
254		-**Example**:
255		-
256		-If payload is: 01D7(H)=471(D), distance signal strength=471, 471>100,471≠65535, the measured value of Dist is considered credible.
257		-
258		-Customers can judge whether they need to adjust the environment based on the signal strength.
259		-
260		-
261		-
262		-=== 2.3.5  Interrupt Pin ===
263		-
264	264	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.
265	265
266		-Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.6A0Pinmappingandpoweron"]].
267		-
268	268	**Example:**
269	269
270	270	0x00: Normal uplink packet.
...	...	@@ -273,52 +273,44 @@
273	273
274	274
275	275
276		-=== 2.3.6  LiDAR temp ===
	258	+=== 2.3.4  DS18B20 Temperature sensor ===
277	277
278		-Characterize the internal temperature value of the sensor.
	260	+This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
279	279
280		-**Example: **
281		-If payload is: 1C(H) <<24>>24=28(D),LiDAR temp=28℃.
282		-If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃.
	262	+**Example**:
283	283
	264	+If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
284	284
	266	+If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
285	285
286		-=== 2.3.7  Message Type ===
	268	+(% style="color:red" %)Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.
287	287
288		-(((
289		-For a normal uplink payload, the message type is always 0x01.
290		-)))
291	291
292		-(((
293		-Valid Message Type:
294		-)))
295	295
	272	+=== 2.3.5  Sensor Flag ===
296	296
297		-(% border="1" cellspacing="10" style="background-color:#ffffcc; width:499px" %)
298		-|=(% style="width: 160px;" %)**Message Type Code**|=(% style="width: 163px;" %)**Description**|=(% style="width: 173px;" %)**Payload**
299		-|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3A0200BUplinkPayload"]]
300		-|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H4.3A0GetFirmwareVersionInfo"]]
	274	+0x01: Detect Ultrasonic Sensor
301	301
302		-=== 2.3.8  Decode payload in The Things Network ===
	276	+0x00: No Ultrasonic Sensor
303	303
	278	+
	279	+===
	280	+(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
	281	+
304	304	While using TTN network, you can add the payload format to decode the payload.
305	305
306	306
307		-[[image:1654592762713-715.png]]
	285	+[[image:1654850829385-439.png]]
308	308
309		-(((
310		-The payload decoder function for TTN is here:
311		-)))
	287	+The payload decoder function for TTN V3 is here:
312	312
313		-(((
314		-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/]]
315		-)))
	289	+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/]]
316	316
317	317
318	318
319	319	== 2.4  Uplink Interval ==
320	320
321		-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"]]
	295	+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"]]
322	322
323	323
324	324
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349	349
350	350	(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
351	351
352		-(% style="color:blue" %)**Step 4**(%%)**: Create LLDS12 product.**
	326	+(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
353	353
354		-[[image:1654832691989-514.png]]
	328	+[[image:1654851029373-510.png]]
355	355
356	356
357		-[[image:1654592833877-762.png]]
	331	+After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
358	358
	333	+[[image:image-20220610165129-11.png||height="595" width="1088"]]
359	359
360		-[[image:1654832740634-933.png]]
361	361
362	362
363		-
364		-(((
365		-(% style="color:blue" %)**Step 5**(%%)**: add payload decode**
366		-)))
367		-
368		-(((
369		-
370		-)))
371		-
372		-[[image:1654833065139-942.png]]
373		-
374		-
375		-
376		-[[image:1654833092678-390.png]]
377		-
378		-
379		-
380		-After added, the sensor data arrive TTN, it will also arrive and show in Datacake.
381		-
382		-[[image:1654833163048-332.png]]
383		-
384		-
385		-
386	386	== 2.6  Frequency Plans ==
387	387
388	388	(((
389		-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.
	340	+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.
390	390	)))
391	391
392	392
	344	+
393	393	=== 2.6.1  EU863-870 (EU868) ===
394	394
395	395	(((
...	...	@@ -453,20 +453,51 @@
453	453	=== 2.6.2  US902-928(US915) ===
454	454
455	455	(((
456		-Used in USA, Canada and South America. Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
457		-)))
	408	+Used in USA, Canada and South America. Default use CHE=2
458	458
459		-(((
460		-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.
461		-)))
	410	+(% style="color:blue" %)**Uplink:**
462	462
463		-(((
464		-After Join success, the end node will switch to the correct sub band by:
465		-)))
	412	+903.9 - SF7BW125 to SF10BW125
466	466
467		-* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
468		-* 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)
	414	+904.1 - SF7BW125 to SF10BW125
469	469
	416	+904.3 - SF7BW125 to SF10BW125
	417	+
	418	+904.5 - SF7BW125 to SF10BW125
	419	+
	420	+904.7 - SF7BW125 to SF10BW125
	421	+
	422	+904.9 - SF7BW125 to SF10BW125
	423	+
	424	+905.1 - SF7BW125 to SF10BW125
	425	+
	426	+905.3 - SF7BW125 to SF10BW125
	427	+
	428	+
	429	+(% style="color:blue" %)**Downlink:**
	430	+
	431	+923.3 - SF7BW500 to SF12BW500
	432	+
	433	+923.9 - SF7BW500 to SF12BW500
	434	+
	435	+924.5 - SF7BW500 to SF12BW500
	436	+
	437	+925.1 - SF7BW500 to SF12BW500
	438	+
	439	+925.7 - SF7BW500 to SF12BW500
	440	+
	441	+926.3 - SF7BW500 to SF12BW500
	442	+
	443	+926.9 - SF7BW500 to SF12BW500
	444	+
	445	+927.5 - SF7BW500 to SF12BW500
	446	+
	447	+923.3 - SF12BW500(RX2 downlink only)
	448	+
	449	+
	450	+
	451	+)))
	452	+
470	470	=== 2.6.3  CN470-510 (CN470) ===
471	471
472	472	(((
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559	559	=== 2.6.4  AU915-928(AU915) ===
560	560
561	561	(((
562		-Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
563		-)))
	545	+Default use CHE=2
564	564
565		-(((
566		-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.
567		-)))
	547	+(% style="color:blue" %)**Uplink:**
568	568
569		-(((
570		-
571		-)))
	549	+916.8 - SF7BW125 to SF12BW125
572	572
573		-(((
574		-After Join success, the end node will switch to the correct sub band by:
575		-)))
	551	+917.0 - SF7BW125 to SF12BW125
576	576
577		-* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
578		-* 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)
	553	+917.2 - SF7BW125 to SF12BW125
579	579
	555	+917.4 - SF7BW125 to SF12BW125
	556	+
	557	+917.6 - SF7BW125 to SF12BW125
	558	+
	559	+917.8 - SF7BW125 to SF12BW125
	560	+
	561	+918.0 - SF7BW125 to SF12BW125
	562	+
	563	+918.2 - SF7BW125 to SF12BW125
	564	+
	565	+
	566	+(% style="color:blue" %)**Downlink:**
	567	+
	568	+923.3 - SF7BW500 to SF12BW500
	569	+
	570	+923.9 - SF7BW500 to SF12BW500
	571	+
	572	+924.5 - SF7BW500 to SF12BW500
	573	+
	574	+925.1 - SF7BW500 to SF12BW500
	575	+
	576	+925.7 - SF7BW500 to SF12BW500
	577	+
	578	+926.3 - SF7BW500 to SF12BW500
	579	+
	580	+926.9 - SF7BW500 to SF12BW500
	581	+
	582	+927.5 - SF7BW500 to SF12BW500
	583	+
	584	+923.3 - SF12BW500(RX2 downlink only)
	585	+
	586	+
	587	+
	588	+)))
	589	+
580	580	=== 2.6.5  AS920-923 & AS923-925 (AS923) ===
581	581
582	582	(((

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