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Content

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2	2	[[image:image-20220523115324-1.jpeg||_mstalt="469677" _mstvisible="4" height="317" width="317"]]
3	3
4	4
5		-(% _mstvisible="1" %)
6		-(% _msthash="315237" _msttexthash="1697033" _mstvisible="3" %)**LHT65N LoRaWAN Temperature & Humidity Sensor Manual**
7	7
8	8
9	9
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77	77	* Tri-color LED to indicate working status
78	78	* Datalog feature
79	79
	78	+
80	80	(% _mstvisible="1" %)
81	81	== (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3 Specification(%%) ==
82	82
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275	275	[[image:image-20220522233118-7.png||_mstalt="430430" _mstvisible="3"]]
276	276
277	277
	277	+
278	278	(% _mstvisible="1" %)
279	279	=== (% _msthash="3537456" _msttexthash="3448549" _mstvisible="3" %)2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds.(%%) ===
280	280
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285	285	[[image:image-20220522233300-8.png||_mstalt="428389" _mstvisible="3" height="219" width="722"]]
286	286
287	287
	288	+
288	288	(% _mstvisible="1" %)
289	289	== (% _msthash="320879" _msttexthash="294970" _mstvisible="3" %)2.4 Uplink Payload(%%) ==
290	290
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426	426	(% _mstvisible="1" %)
427	427	* Humidity:    0x025C/10=60.4%
428	428
	430	+
429	429	(% _mstvisible="1" %)
430	430	=== (% _msthash="116532" _msttexthash="87958" _mstvisible="3" %)2.4.5 Ext #(%%) ===
431	431
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1132	1132	For each success downlink, the PURPLE LED will blink once
1133	1133	)))
1134	1134
1135		-
1136		-
1137	1137	(% _mstvisible="1" style="text-align: left;" %)
1138	1138	== (% _msthash="112034" _msttexthash="277511" _mstvisible="3" %)2.9 installation(%%) ==
1139	1139
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1162	1162	* -55°C to 125°C
1163	1163	* Working voltage 2.35v ~~ 5v
1164	1164
1165		-
1166	1166	(% _mstvisible="1" style="text-align: left;" %)
1167	1167	= (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
1168	1168
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1369	1369	(% _mstvisible="1" %)
1370	1370	[[image:image-20220523150928-4.png||_mstalt="431821" _mstvisible="3"]]
1371	1371
	1371	+
1372	1372	(% _mstvisible="1" style="text-align: left;" %)
1373	1373	(% style="color:#4f81bd" %)**Downlink Command:**
1374	1374
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1376	1376	* 0xA800  **~-~->** AT+PID=0
1377	1377	* 0xA801     **~-~->** AT+PID=1
1378	1378
1379		-
1380	1380	(% _mstvisible="1" style="text-align: left;" %)
1381	1381	== (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) ==
1382	1382
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1446	1446	(% _mstvisible="1" %)
1447	1447	* There is no downlink command to set to Sleep mode.
1448	1448
1449		-
1450	1450	(% _mstvisible="1" %)
1451	1451	== (% _msthash="336557" _msttexthash="309712" _mstvisible="3" %)4.7 Set system time(%%) ==
1452	1452
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1581	1581	(% _mstvisible="1" %)
1582	1582	* Example: 0xA301 ~/~/Same as AT+CLRDTA
1583	1583
1584		-
1585	1585	(% _mstvisible="1" %)
1586	1586	== (% _msthash="740532" _msttexthash="701363" _mstvisible="3" %)4.13 Auto Send None-ACK messages(%%) ==
1587	1587
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1599	1599	(% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 171px;" %)(% _msthash="1231737" _msttexthash="251862" _mstvisible="6" %)**Command Example**|=(% _mstvisible="4" style="width: 219px;" %)(% _msthash="1231738" _msttexthash="116025" _mstvisible="6" %)**Function**|=(% _mstvisible="4" style="width: 119px;" %)(% _msthash="1231739" _msttexthash="116831" _mstvisible="6" %)**Response**
1600	1600	(% _mstvisible="3" %)|(% _msthash="1231321" _msttexthash="130455" _mstvisible="4" style="width:171px" %)AT+PNACKMD=1|(% _msthash="1231322" _msttexthash="377026" _mstvisible="4" style="width:219px" %)Poll None-ACK message|(% _msthash="1231323" _msttexthash="14989" _mstvisible="4" style="width:119px" %)OK
1601	1601
1602		-
1603	1603	(% _mstvisible="1" %)
1604	1604	(% style="color:#4f81bd" %)**Downlink Command: 0x34**
1605	1605
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1606	1606	(% _mstvisible="1" %)
1607	1607	* Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1608	1608
1609		-
1610	1610	(% _mstvisible="1" %)
1611	1611	= (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) =
1612	1612
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1665	1665	(% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1666	1666	== 6.1 How to use AT Command? ==
1667	1667
1668		-LHT65N supports AT Command set.User can use a USB to TTL adapter plus the Program Cable to
	1663	+(((
	1664	+LHT65N supports AT Command set.User can use a USB to TTL adapter plus the Program Cable to connect to LHT65 for using AT command, as below.
	1665	+)))
1669	1669
1670		-connect to LHT65 for using AT command, as below.
1671		-
1672	1672	[[image:image-20220530085651-1.png]]
1673	1673
1674	1674
1675	1675	**Connection:**
1676	1676
1677		-✓** USB to TTL GND <~-~->GND**
	1672	+✓** USB to TTL GND <~-~->GND**
1678	1678
1679	1679	**✓ USB to TTL RXD <~-~-> D+**
1680	1680

image-20220613162008-1.png

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	1	+XWiki.Xiaoling

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