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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
...	...	@@ -183,10 +183,11 @@
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	(((
...	...	@@ -196,23 +196,23 @@
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
228	228
229		-**(% style="color:#4472C4" %) 0B05(H) = 2821 (D) = 2821 mm.**
	230	+**Example**:
230	230
	232	+If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
231	231
232		-* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
233		-* 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: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
234	234
235		-=== 2.3.3  Interrupt Pin ===
236	236
	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	+
237	237	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.
238	238
	266	+Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.6A0Pinmappingandpoweron"]].
	267	+
239	239	**Example:**
240	240
241	241	0x00: Normal uplink packet.
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243	243	0x01: Interrupt Uplink Packet.
244	244
245	245
246		-=== 2.3.4  DS18B20 Temperature sensor ===
247	247
248		-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 ===
249	249
250		-**Example**:
	278	+Characterize the internal temperature value of the sensor.
251	251
252		-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℃.
253	253
254		-If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
255	255
256		-(% style="color:red" %)Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.
257	257
	286	+=== 2.3.7  Message Type ===
258	258
	288	+(((
	289	+For a normal uplink payload, the message type is always 0x01.
	290	+)))
259	259
260		-=== 2.3.5  Sensor Flag ===
	292	+(((
	293	+Valid Message Type:
	294	+)))
261	261
262		-0x01: Detect Ultrasonic Sensor
263	263
264		-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"]]
265	265
	302	+=== 2.3.8  Decode payload in The Things Network ===
266	266
267		-===
268		-(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
269		-
270	270	While using TTN network, you can add the payload format to decode the payload.
271	271
272	272

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