Changes for page LHT65N -- Manual do sensor de temperatura e umidade LoRaWAN

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• Page properties (2 modified, 0 added, 0 removed)

Details

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Author

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1		-XWiki.Edwin
	1	+XWiki.Bei

Content

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	187	+
187	187	=== 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
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674	674	(% style="color:red" %)**Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn't support. If server doesn't support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.**
675	675	)))
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	678	+(((
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	680	+)))
677	677
678		-
679	679	(((
680	680	**2. Manually Set Time**
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875	875
876	876	==== **Sampling multiple times and uplink together** ====
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878		-**AT+WMOD=3,1,60,20,-16,32,1**
	881	+**AT+WMOD=3,1,60,20,-16,32,1**  ~/~/ Mode 3, the collection interval is 60s, the total number of collection is 20 times, and the data of these 20 times will be sent to the 20th time, with a maximum of 60 groups, the normal working temperature range is -10 to 32°C, 1 is to open the temperature alarm, 0 is to close the temperature alarm, and the temperature is turned on. After the alarm, if the temperature collected at the current time exceeds the normal working temperature, a data will be sent immediately.
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880		-Explain:
881		-
882		-* Set Working Mode to **Mode 3**
883		-* Sampling Interval is **60**s.
884		-* When there is **20** sampling dats, Device will send these data via one uplink. (max value is 60, means max 60 sampling in one uplink)
885		-* Temperature alarm range is **-16** to **32**°C,
886		-* **1** to enable temperature alarm, **0** to disable the temperature alarm. If alarm is enabled, a data will be sent immediately  if temperate exceeds the Alarm range.
887		-
888		-
889	889	(% style="color:#4f81bd" %)**Downlink Command:**
890	890
891	891	**Example: **A50301003C14FFF0002001
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907	907
908	908	**Uplink payload( Fport=3)**
909	909
910		-**Example: CBEA**01**0992**//0A41//**09C4**
	904	+**Example: **CBEA0109920A4109C4
911	911
912	912	BatV=CBEA
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923	923	(% style="color:red" %)**Note: This uplink will automatically select the appropriate DR according to the data length**
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925	925	(% style="color:red" %)** In this mode, the temperature resolution of ds18b20 is 0.25℃ to save power consumption**
926		-)))
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	923	+)))
	924	+
	925	+(((
929	929	=== 2.7.2 ALARM MODE ( Before v1.3.1 firmware) ===
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	929	+)))
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932	932	(% _mstvisible="1" class="box infomessage" %)
933	933	(((
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1383	1383
1384	1384	0xA5 01 0A 11 94 29 04 ~-~- AT+WMOD=1,10,45,105  (AT+WMOD = second byte, third byte, fourth and fifth bytes divided by 100, sixth and seventh bytes divided by 100 )
1385	1385
1386		-0XA5 01 0A F9 C0 29 04 ~-~-AT+WMOD=1,10,-16,105(Need to convert -16 to -1600 for calculation，-1600(DEC)=FFFFFFFFFFFFF9C0(HEX)  FFFFFFFFFFFFF9C0(HEX) +10000(HEX)=F9C0(HEX))
1387		-
1388	1388	0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
1389	1389
1390	1390	0xA5 FF ~-~- After the device receives it, upload the current alarm configuration (FPORT=8). Such as 01 0A 11 94 29 04 or 02 0A 02.
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1397	1397	== 5.1 Battery Type ==
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1400		-
1401	1401	(((
	1398	+(((
1402	1402	LHT65N is equipped with a 2400mAH Li-MnO2 (CR17505) battery . The battery is an un-rechargeable battery with low discharge rate targeting for up to 8~~10 years use. This type of battery is commonly used in IoT devices for long-term running, such as water meters.
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1406		-
1407	1407	(((
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1408	1408	The discharge curve is not linear so can't simply use percentage to show the battery level. Below is the battery performance.
1409	1409	[[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
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	1412	+)))
1411	1411
1412	1412	The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
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1430	1430	[[https:~~/~~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf>>https://www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf]]
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	1435	+(((
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	1437	+)))
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1434	1434	(((
1435	1435	A full detail test report for LHT65N on different frequency can be found at : [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0>>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
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1811	1811	[[image:image-20220623113959-5.png||height="528" width="397"]]
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1813	1813	(% _msthash="506146" _msttexthash="52173160" %)
1814		-Connect A8 and GND with Dupont wire for a while and then separate，enter reset mode
	1819	+Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
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1828	1828	[[image:image-20220620160723-8.png]]
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1831		-Finally,Disconnect 3.3v，Connect A8 and GND with Dupont wire for a while and then separate，exit reset mode
	1836	+Finally,restart reset device again
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1863	1863	**Dimension and weight**:
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1865		-* Device Size:  10 x 10 x 3.5 mm
	1870	+* Device Size:  10 x 10 x 3.5 cm
1866	1866	* Device Weight: 120.5g
1867	1867
1868	1868	= 9. Reference material =