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Last modified by Xiaoling on 2023/07/18 10:12
From version 170.34
edited by Xiaoling
on 2022/06/22 11:29
Change comment: There is no comment for this version
To version 183.1
edited by Bei Jinggeng
on 2022/06/28 15:10
Change comment: Uploaded new attachment "image-20220628151056-6.png", version {1}

Summary

Details

Page properties
Author
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1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
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59 59  * Datalog feature
60 60  
61 61  
62 +
62 62  == 1.3 Specification ==
63 63  
64 64  
... ... @@ -84,6 +84,7 @@
84 84  * Operating Range: -55 °C ~~ 125 °C
85 85  
86 86  
88 +
87 87  = 2. Connect LHT65N to IoT Server =
88 88  
89 89  == 2.1 How does LHT65N work? ==
... ... @@ -266,9 +266,6 @@
266 266  * The 8(% _msthash="734578" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) ~~ 11(% _msthash="734579" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won’t be these four bytes.)
267 267  
268 268  
269 -
270 -
271 -
272 272  === 2.4.1 Decoder in TTN V3 ===
273 273  
274 274  When the uplink payload arrives TTNv3, it shows HEX format and not friendly to read. We can add LHT65N decoder in TTNv3 for friendly reading.
... ... @@ -300,9 +300,6 @@
300 300  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
301 301  
302 302  
303 -
304 -
305 -
306 306  === 2.4.3 Built-in Temperature ===
307 307  
308 308  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
... ... @@ -314,9 +314,6 @@
314 314  * Temperature:  (0xF5C6-65536)/100=-26.18℃
315 315  
316 316  
317 -
318 -
319 -
320 320  === 2.4.4 Built-in Humidity ===
321 321  
322 322  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
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324 324  * Humidity:    0x025C/10=60.4%
325 325  
326 326  
327 -
328 -
329 -
330 330  === 2.4.5 Ext # ===
331 331  
332 332  Bytes for External Sensor:
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480 480  * Unix Time Request:  1: Request server downlink Unix time, 0 : N/A. In this mode, LHT65N will set this bit to 1 every 10 days to request a time SYNC. (AT+SYNCMOD to set this)
481 481  
482 482  
483 -
484 -
485 -
486 486  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
487 487  
488 488  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
... ... @@ -558,9 +558,6 @@
558 558  1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will store the sensor data, and it will send all messages after network recover.
559 559  
560 560  
561 -
562 -
563 -
564 564  === 2.6.2 Unix TimeStamp ===
565 565  
566 566  
... ... @@ -1017,9 +1017,6 @@
1017 1017  * For each success downlink, the PURPLE LED will blink once
1018 1018  
1019 1019  
1020 -
1021 -
1022 -
1023 1023  == 2.9 installation ==
1024 1024  
1025 1025  (% _mstvisible="1" %)
... ... @@ -1033,8 +1033,24 @@
1033 1033  
1034 1034  [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1035 1035  
1036 -1m long breakout cable for LHT65N
1017 +**1m long breakout cable for LHT65N. Features:**
1037 1037  
1019 +* (((
1020 +Use for AT Command， works for both LHT52/LHT65N
1021 +)))
1022 +* (((
1023 +Update firmware for LHT65N, works for both LHT52/LHT65N
1024 +)))
1025 +* (((
1026 +Supports ADC mode to monitor external ADC
1027 +)))
1028 +* (((
1029 +Supports Interrupt mode
1030 +)))
1031 +* (((
1032 +Exposed All pins from the LHT65N Type-C connector.
1033 +)))
1034 +
1038 1038  [[image:image-20220619092421-3.png||height="371" width="529"]]
1039 1039  
1040 1040  
... ... @@ -1055,9 +1055,6 @@
1055 1055  * Working voltage 2.35v ~~ 5v
1056 1056  
1057 1057  
1058 -
1059 -
1060 -
1061 1061  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1062 1062  
1063 1063  (((
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1124 1124  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1125 1125  
1126 1126  
1127 -
1128 -
1129 -
1130 1130  == 4.2 Set External Sensor Mode ==
1131 1131  
1132 1132  Feature: Change External Sensor Mode.
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1149 1149  * 0xA20702003c: Same as AT+SETCNT=60
1150 1150  
1151 1151  
1152 -
1153 -
1154 -
1155 1155  == 4.3 Enable/Disable uplink Temperature probe ID ==
1156 1156  
1157 1157  (((
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1180 1180  * **0xA801**     **~-~->** AT+PID=1
1181 1181  
1182 1182  
1183 -
1184 -
1185 -
1186 1186  == 4.4 Set Password ==
1187 1187  
1188 1188  Feature: Set device password, max 9 digits
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1230 1230  * There is no downlink command to set to Sleep mode.
1231 1231  
1232 1232  
1233 -
1234 -
1235 -
1236 1236  == 4.7 Set system time ==
1237 1237  
1238 1238  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
... ... @@ -1330,9 +1330,6 @@
1330 1330  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1331 1331  
1332 1332  
1333 -
1334 -
1335 -
1336 1336  == 4.13 Auto Send None-ACK messages ==
1337 1337  
1338 1338  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
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1352 1352  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1353 1353  
1354 1354  
1355 -
1356 -
1357 -
1358 1358  = 5. Battery & How to replace =
1359 1359  
1360 1360  == 5.1 Battery Type ==
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1419 1419  * (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1420 1420  * (% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1421 1421  
1422 -
1423 1423  (((
1424 1424  In PC, User needs to set serial tool(such as [[**putty**>>https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LHT65N. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**) (%%)to active it. Timeout to input AT Command is 5 min, after 5-minute, user need to input password again. User can use AT+DISAT command to disable AT command before timeout.
1425 1425  )))
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1728 1728  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1729 1729  
1730 1730  
1706 +== 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1731 1731  
1708 +[[image:image-20220623110706-1.png]]
1709 +
1710 +
1711 +[[image:image-20220623112117-4.png||height="459" width="343"]]
1712 +
1713 +(((
1714 +In PC, User needs to set serial tool(such as [[**putty**>>https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600** (%%)to access to access serial console for LHT65N. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**(% style="color:red" %))(%%) to active it. Timeout to input AT Command is 5 min, after 5-minute, user need to input password again. User can use AT+DISAT command to disable AT command before timeout.
1715 +)))
1716 +
1717 +
1718 +Input password and ATZ to activate LHT65N,As shown below:
1719 +
1720 +[[image:image-20220615154519-3.png||height="672" width="807"]]
1721 +
1722 +
1723 +== 6.6 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1724 +
1725 +[[image:image-20220623110706-1.png]]
1726 +
1727 +(% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1728 +
1729 +[[image:image-20220615170542-5.png]]
1730 +
1731 +
1732 +(% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1733 +
1734 +(% _msthash="506146" _msttexthash="52173160" %)
1735 +First connect the four lines；
1736 +
1737 +(% _msthash="506146" _msttexthash="52173160" %)
1738 +[[image:image-20220623113959-5.png||height="528" width="397"]]
1739 +
1740 +(% _msthash="506146" _msttexthash="52173160" %)
1741 +Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1742 +
1743 +(% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1744 +
1745 +[[image:image-20220615171334-6.png]]
1746 +
1747 +
1748 +Click the (% style="color:blue" %)**start**(%%) button to start the firmware upgrade.
1749 +
1750 +
1751 +When this interface appears, it indicates that the download has been completed.
1752 +
1753 +[[image:image-20220620160723-8.png]]
1754 +
1755 +
1756 +Finally,restart reset device again
1757 +
1758 +
1732 1732  = 7. Order Info =
1733 1733  
1734 1734  
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1757 1757  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1758 1758  
1759 1759  
1760 -
1761 -
1762 -
1763 1763  = 8. Packing Info =
1764 1764  
1765 1765  
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1774 1774  * Device Weight: 120.5g
1775 1775  
1776 1776  
1777 -
1778 -
1779 -
1780 1780  = 9. Reference material =
1781 1781  
1782 1782  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1783 1783  
1784 1784  
1785 -
1786 -
1787 -
1788 1788  = 10. FCC Warning =
1789 1789  
1790 1790  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
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