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92	92	* Sewer
93	93	* Bottom water level monitoring
94	94
	95	+
95	95	== 1.6  Pin mapping and power on ==
96	96
97	97
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173	173
174	174
175	175	(((
176		-(% 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.
	177	+(% 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	177	)))
178	178
179		-[[image:1654849068701-275.png]]
	180	+[[image:1654833501679-968.png]]
180	180
181	181
182	182
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183	183	== 2.3  ​Uplink Payload ==
184	184
185	185	(((
186		-LDDS75 will uplink payload via LoRaWAN with below payload format:
	187	+LLDS12 will uplink payload via LoRaWAN with below payload format:
	188	+)))
187	187
188		-Uplink payload includes in total 4 bytes.
189		-Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
	190	+(((
	191	+Uplink payload includes in total 11 bytes.
190	190	)))
191	191
192	192	(((
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196	196	(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
197	197	|=(% style="width: 62.5px;" %)(((
198	198	**Size (bytes)**
199		-)))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
200		-|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
201		-[[Distance>>||anchor="H2.3.3A0Distance"]]
	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	+)))
202	202
203		-(unit: mm)
204		-)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
205		-[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]]
206		-)))|[[Sensor Flag>>path:#Sensor_Flag]]
	210	+[[image:1654833689380-972.png]]
207	207
208		-[[image:1654850511545-399.png]]
209	209
210	210
211		-
212	212	=== 2.3.1  Battery Info ===
213	213
214	214
215		-Check the battery voltage for LDDS75.
	217	+Check the battery voltage for LLDS12.
216	216
217	217	Ex1: 0x0B45 = 2885mV
218	218
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220	220
221	221
222	222
223		-=== 2.3.2  Distance ===
	225	+=== 2.3.2  DS18B20 Temperature sensor ===
224	224
225		-Get the distance. Flat object range 280mm - 7500mm.
	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.
226	226
227		-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.**
228	228
	230	+**Example**:
229	229
230		-* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
231		-* 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.
	232	+If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
232	232
	234	+If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
233	233
234	234
235	235
236		-=== 2.3.3  Interrupt Pin ===
	238	+=== 2.3.3  Distance ===
237	237
	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	+
238	238	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.
239	239
	266	+Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.6A0Pinmappingandpoweron"]].
	267	+
240	240	**Example:**
241	241
242	242	0x00: Normal uplink packet.
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244	244	0x01: Interrupt Uplink Packet.
245	245
246	246
247		-=== 2.3.4  DS18B20 Temperature sensor ===
248	248
249		-This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
	276	+=== 2.3.6  LiDAR temp ===
250	250
251		-**Example**:
	278	+Characterize the internal temperature value of the sensor.
252	252
253		-If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
	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℃.
254	254
255		-If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
256	256
257		-(% style="color:red" %)Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.
258	258
	286	+=== 2.3.7  Message Type ===
259	259
	288	+(((
	289	+For a normal uplink payload, the message type is always 0x01.
	290	+)))
260	260
261		-=== 2.3.5  Sensor Flag ===
	292	+(((
	293	+Valid Message Type:
	294	+)))
262	262
263		-0x01: Detect Ultrasonic Sensor
264	264
265		-0x00: No Ultrasonic Sensor
	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"]]
266	266
	302	+=== 2.3.8  Decode payload in The Things Network ===
267	267
268		-===
269		-(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
270		-
271	271	While using TTN network, you can add the payload format to decode the payload.
272	272
273	273

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