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...	...	@@ -33,7 +33,7 @@
33	33	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.
34	34
35	35
36		-(% 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
37	37	)))
38	38	)))
39	39
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57	57	* IP66 Waterproof Enclosure
58	58	* 4000mAh or 8500mAh Battery for long term use
59	59
60		-
61	61	== 1.3  Specification ==
62	62
63	63	=== 1.3.1  Rated environmental conditions ===
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94	94	* Bottom water level monitoring
95	95
96	96
97		-
98	98	== 1.6  Pin mapping and power on ==
99	99
100	100
...	...	@@ -121,7 +121,7 @@
121	121	)))
122	122
123	123	(((
124		-[[image:1654827857527-556.png]]
	122	+[[image:1654848616367-242.png]]
125	125	)))
126	126
127	127	(((
...	...	@@ -129,57 +129,57 @@
129	129	)))
130	130
131	131	(((
132		-(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LSPH01.
	130	+(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
133	133	)))
134	134
135	135	(((
136		-Each LSPH01 is shipped with a sticker with the default device EUI as below:
	134	+Each LDDS75 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
137	137	)))
138	138
139	139	[[image:image-20220607170145-1.jpeg]]
140	140
141	141
	140	+For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
142	142
143		-You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
	142	+Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
144	144
	144	+**Add APP EUI in the application**
145	145
146		-**Register the device**
	146	+[[image:image-20220610161353-4.png]]
147	147
	148	+[[image:image-20220610161353-5.png]]
148	148
149		-[[image:1654592600093-601.png]]
	150	+[[image:image-20220610161353-6.png]]
150	150
151	151
	153	+[[image:image-20220610161353-7.png]]
152	152
153		-**Add APP EUI and DEV EUI**
154	154
155		-[[image:1654592619856-881.png]]
	156	+You can also choose to create the device manually.
156	156
	158	+ [[image:image-20220610161538-8.png]]
157	157
158	158
159		-**Add APP EUI in the application**
160	160
161		-[[image:1654592632656-512.png]]
	162	+**Add APP KEY and DEV EUI**
162	162
	164	+[[image:image-20220610161538-9.png]]
163	163
164	164
165		-**Add APP KEY**
166	166
167		-[[image:1654592653453-934.png]]
	168	+(% style="color:blue" %)**Step 2**(%%): Power on LDDS75
168	168
169	169
170		-(% style="color:blue" %)**Step 2**(%%): Power on LLDS12
171		-
172		-
173	173	Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
174	174
175		-[[image:image-20220607170442-2.png]]
	173	+[[image:image-20220610161724-10.png]]
176	176
177	177
178	178	(((
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.
	177	+(% 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.
180	180	)))
181	181
182		-[[image:1654833501679-968.png]]
	180	+[[image:1654849068701-275.png]]
183	183
184	184
185	185
...	...	@@ -186,11 +186,10 @@
186	186	== 2.3  ​Uplink Payload ==
187	187
188	188	(((
189		-LLDS12 will uplink payload via LoRaWAN with below payload format:
190		-)))
	187	+LDDS75 will uplink payload via LoRaWAN with below payload format:
191	191
192		-(((
193		-Uplink payload includes in total 11 bytes.
	189	+Uplink payload includes in total 4 bytes.
	190	+Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
194	194	)))
195	195
196	196	(((
...	...	@@ -200,15 +200,15 @@
200	200	(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
201	201	|=(% style="width: 62.5px;" %)(((
202	202	**Size (bytes)**
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		-)))
	200	+)))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
	201	+|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
	202	+[[Distance>>||anchor="H2.3.3A0Distance"]]
211	211
	204	+(unit: mm)
	205	+)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
	206	+[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]]
	207	+)))|[[Sensor Flag>>path:#Sensor_Flag]]
	208	+
212	212	[[image:1654833689380-972.png]]
213	213
214	214
...	...	@@ -216,7 +216,7 @@
216	216	=== 2.3.1  Battery Info ===
217	217
218	218
219		-Check the battery voltage for LLDS12.
	216	+Check the battery voltage for LDDS75.
220	220
221	221	Ex1: 0x0B45 = 2885mV
222	222
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224	224
225	225
226	226
227		-=== 2.3.2  DS18B20 Temperature sensor ===
	224	+=== 2.3.2  Distance ===
228	228
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.
	226	+Get the distance. Flat object range 280mm - 7500mm.
230	230
	228	+For example, if the data you get from the register is 0x0B 0x05, the distance between the sensor and the measured object is
231	231
232		-**Example**:
	230	+**0B05(H) = 2821 (D) = 2821 mm.**
233	233
234		-If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
235	235
236		-If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
	233	+* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
	234	+* 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.
237	237
238	238
	237	+=== 2.3.3  Interrupt Pin ===
239	239
240		-=== 2.3.3  Distance ===
241		-
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.
243		-
244		-
245		-**Example**:
246		-
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.
248		-
249		-
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		-
256		-**Example**:
257		-
258		-If payload is: 01D7(H)=471(D), distance signal strength=471, 471>100,471≠65535, the measured value of Dist is considered credible.
259		-
260		-Customers can judge whether they need to adjust the environment based on the signal strength.
261		-
262		-
263		-
264		-=== 2.3.5  Interrupt Pin ===
265		-
266	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.
267	267
268		-Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.6A0Pinmappingandpoweron"]].
269		-
270	270	**Example:**
271	271
272	272	0x00: Normal uplink packet.
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274	274	0x01: Interrupt Uplink Packet.
275	275
276	276
	248	+=== 2.3.4  DS18B20 Temperature sensor ===
277	277
278		-=== 2.3.6  LiDAR temp ===
	250	+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		-Characterize the internal temperature value of the sensor.
	252	+**Example**:
281	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℃.
	254	+If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
285	285
	256	+If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
286	286
	258	+(% style="color:red" %)Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.
287	287
288		-=== 2.3.7  Message Type ===
289	289
290		-(((
291		-For a normal uplink payload, the message type is always 0x01.
292		-)))
293	293
294		-(((
295		-Valid Message Type:
296		-)))
	262	+=== 2.3.5  Sensor Flag ===
297	297
	264	+0x01: Detect Ultrasonic Sensor
298	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"]]
	266	+0x00: No Ultrasonic Sensor
303	303
304		-=== 2.3.8  Decode payload in The Things Network ===
305	305
	269	+===
	270	+(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
	271	+
306	306	While using TTN network, you can add the payload format to decode the payload.
307	307
308	308
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1280	1280	* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1281	1281	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1282	1282
1283		-
1284	1284	= 10. ​ Packing Info =
1285	1285
1286	1286
...	...	@@ -1295,7 +1295,6 @@
1295	1295	* Package Size / pcs : cm
1296	1296	* Weight / pcs : g
1297	1297
1298		-
1299	1299	= 11.  ​Support =
1300	1300
1301	1301	* 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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