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Last modified by Xiaoling on 2023/07/18 10:12
From version 174.1
edited by Bei Jinggeng
on 2022/06/23 11:21
Change comment: Uploaded new attachment "image-20220623112117-4.png", version {1}
To version 178.1
edited by Bei Jinggeng
on 2022/06/28 15:01
Change comment: Uploaded new attachment "image-20220628150112-1.png", version {1}

Summary

Details

Page properties
Content
... ... @@ -60,8 +60,6 @@
60 60  
61 61  
62 62  
63 -
64 -
65 65  == 1.3 Specification ==
66 66  
67 67  
... ... @@ -88,8 +88,6 @@
88 88  
89 89  
90 90  
91 -
92 -
93 93  = 2. Connect LHT65N to IoT Server =
94 94  
95 95  == 2.1 How does LHT65N work? ==
... ... @@ -272,8 +272,6 @@
272 272  * 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.)
273 273  
274 274  
275 -
276 -
277 277  === 2.4.1 Decoder in TTN V3 ===
278 278  
279 279  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.
... ... @@ -305,8 +305,6 @@
305 305  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
306 306  
307 307  
308 -
309 -
310 310  === 2.4.3 Built-in Temperature ===
311 311  
312 312  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
... ... @@ -318,8 +318,6 @@
318 318  * Temperature:  (0xF5C6-65536)/100=-26.18℃
319 319  
320 320  
321 -
322 -
323 323  === 2.4.4 Built-in Humidity ===
324 324  
325 325  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
... ... @@ -327,8 +327,6 @@
327 327  * Humidity:    0x025C/10=60.4%
328 328  
329 329  
330 -
331 -
332 332  === 2.4.5 Ext # ===
333 333  
334 334  Bytes for External Sensor:
... ... @@ -482,8 +482,6 @@
482 482  * 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)
483 483  
484 484  
485 -
486 -
487 487  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
488 488  
489 489  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
... ... @@ -559,8 +559,6 @@
559 559  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.
560 560  
561 561  
562 -
563 -
564 564  === 2.6.2 Unix TimeStamp ===
565 565  
566 566  
... ... @@ -1017,8 +1017,6 @@
1017 1017  * For each success downlink, the PURPLE LED will blink once
1018 1018  
1019 1019  
1020 -
1021 -
1022 1022  == 2.9 installation ==
1023 1023  
1024 1024  (% _mstvisible="1" %)
... ... @@ -1032,8 +1032,24 @@
1032 1032  
1033 1033  [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1034 1034  
1035 -1m long breakout cable for LHT65N
1017 +**1m long breakout cable for LHT65N. Features:**
1036 1036  
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 +
1037 1037  [[image:image-20220619092421-3.png||height="371" width="529"]]
1038 1038  
1039 1039  
... ... @@ -1054,8 +1054,6 @@
1054 1054  * Working voltage 2.35v ~~ 5v
1055 1055  
1056 1056  
1057 -
1058 -
1059 1059  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1060 1060  
1061 1061  (((
... ... @@ -1122,8 +1122,6 @@
1122 1122  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1123 1123  
1124 1124  
1125 -
1126 -
1127 1127  == 4.2 Set External Sensor Mode ==
1128 1128  
1129 1129  Feature: Change External Sensor Mode.
... ... @@ -1146,8 +1146,6 @@
1146 1146  * 0xA20702003c: Same as AT+SETCNT=60
1147 1147  
1148 1148  
1149 -
1150 -
1151 1151  == 4.3 Enable/Disable uplink Temperature probe ID ==
1152 1152  
1153 1153  (((
... ... @@ -1176,8 +1176,6 @@
1176 1176  * **0xA801**     **~-~->** AT+PID=1
1177 1177  
1178 1178  
1179 -
1180 -
1181 1181  == 4.4 Set Password ==
1182 1182  
1183 1183  Feature: Set device password, max 9 digits
... ... @@ -1225,8 +1225,6 @@
1225 1225  * There is no downlink command to set to Sleep mode.
1226 1226  
1227 1227  
1228 -
1229 -
1230 1230  == 4.7 Set system time ==
1231 1231  
1232 1232  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
... ... @@ -1324,8 +1324,6 @@
1324 1324  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1325 1325  
1326 1326  
1327 -
1328 -
1329 1329  == 4.13 Auto Send None-ACK messages ==
1330 1330  
1331 1331  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
... ... @@ -1345,8 +1345,6 @@
1345 1345  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1346 1346  
1347 1347  
1348 -
1349 -
1350 1350  = 5. Battery & How to replace =
1351 1351  
1352 1352  == 5.1 Battery Type ==
... ... @@ -1719,7 +1719,59 @@
1719 1719  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1720 1720  
1721 1721  
1706 +== 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1722 1722  
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 +
1723 1723  = 7. Order Info =
1724 1724  
1725 1725  
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1748 1748  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1749 1749  
1750 1750  
1751 -
1752 -
1753 1753  = 8. Packing Info =
1754 1754  
1755 1755  
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1764 1764  * Device Weight: 120.5g
1765 1765  
1766 1766  
1767 -
1768 -
1769 1769  = 9. Reference material =
1770 1770  
1771 1771  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1772 1772  
1773 1773  
1774 -
1775 -
1776 1776  = 10. FCC Warning =
1777 1777  
1778 1778  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
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