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89	89	* 8500mAh Battery for long term use
90	90
91	91
92		-
93	93	== 1.3  Specification ==
94	94
95	95	=== 1.3.1  Rated environmental conditions ===
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98	98
99	99
100	100	(((
101		-**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);  **
	100	+**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       **
102	102
103	103	**~ b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)**
104	104	)))
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137	137	* Bottom water level monitoring
138	138
139	139
140		-
141	141	== 1.6  Pin mapping and power on ==
142	142
143	143
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167	167
168	168	)))
169	169
170		-[[image:1654913911773-521.png]]
	168	+[[image:1654913911773-521.png]]
171	171
172	172
173	173	(((
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246	246
247	247	(((
248	248	(((
249		-LDDS45 will uplink payload via LoRaWAN with below payload format:
	247	+LDDS45 will uplink payload via LoRaWAN with below payload format:
250	250
251	251	Uplink payload includes in total 8 bytes.
252	252	)))
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275	275	=== 2.3.1  Battery Info ===
276	276
277	277
278		-Check the battery voltage for LDDS75.
	276	+Check the battery voltage for LDDS45.
279	279
280	280	Ex1: 0x0B45 = 2885mV
281	281
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286	286	=== 2.3.2  Distance ===
287	287
288	288	(((
289		-Get the distance. Flat object range 280mm - 7500mm.
	287	+Get the distance. Flat object range 30mm - 4500mm.
290	290	)))
291	291
292	292	(((
293		-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.**
	291	+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.**
294	294	)))
295	295
296	296
297	297	* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
298		-* 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.
	296	+* If the sensor value lower than 0x001E (30mm), the sensor value will be 0x00.
299	299
300	300
301		-
302	302	=== 2.3.3  Interrupt Pin ===
303	303
304		-This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3A0SetInterruptMode"]] for the hardware and software set up.
	301	+This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.3A0SetInterruptMode"]] for the hardware and software set up.
305	305
306	306	**Example:**
307	307
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321	321
322	322	If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
323	323
324		-(% style="color:red" %)Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.
325	325
326	326
327		-
328	328	=== 2.3.5  Sensor Flag ===
329	329
330	330	(((
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875	875	* Blink once when device transmit a packet.
876	876
877	877
878		-
879	879	== 2.8  ​Firmware Change Log ==
880	880
881	881
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1093	1093	* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1094	1094
1095	1095
1096		-
1097	1097	= 4.  FAQ =
1098	1098
1099	1099	== 4.1  What is the frequency plan for LDDS75? ==
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1154	1154	* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1155	1155
1156	1156
1157		-
1158	1158	= 7. ​ Packing Info =
1159	1159
1160	1160
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1170	1170	* Weight / pcs : g
1171	1171
1172	1172
1173		-
1174	1174	= 8.  ​Support =
1175	1175
1176	1176	* 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.