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Last modified by Xiaoling on 2023/07/18 10:12
From version 170.32
edited by Xiaoling
on 2022/06/22 11:23
Change comment: There is no comment for this version
To version 187.1
edited by Edwin Chen
on 2022/07/03 11:17
Change comment: Uploaded new attachment "image-20220703111700-2.png", version {1}

Summary

Details

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Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
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59 59  * Datalog feature
60 60  
61 61  
62 +
63 +
64 +
62 62  == 1.3 Specification ==
63 63  
64 64  
... ... @@ -84,6 +84,9 @@
84 84  * Operating Range: -55 °C ~~ 125 °C
85 85  
86 86  
90 +
91 +
92 +
87 87  = 2. Connect LHT65N to IoT Server =
88 88  
89 89  == 2.1 How does LHT65N work? ==
... ... @@ -493,8 +493,43 @@
493 493  
494 494  AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
495 495  
502 +For example:
496 496  
504 +AT+EXT=6,1000 will power this sensor for 1000ms before sampling the ADC value.
497 497  
506 +
507 +Or use **downlink command A2** to set the same.
508 +
509 +The measuring range of the node is only about 0.1V to 1.1V The voltage resolution is about 0.24mv.
510 +
511 +When the measured output voltage of the sensor is not within the range of 0.1V and 1.1V, the output voltage terminal of the sensor shall be divided The example in the following figure is to reduce the output voltage of the sensor by three times If it is necessary to reduce more times, calculate according to the formula in the figure and connect the corresponding resistance in series.
512 +
513 +[[image:image-20220628150112-1.png||height="241" width="285"]]
514 +
515 +
516 +When ADC_IN1 pin is connected to GND or suspended, ADC value is 0
517 +
518 +[[image:image-20220628150714-4.png]]
519 +
520 +
521 +When the voltage collected by ADC_IN1 is less than the minimum range, the minimum range will be used as the output; Similarly, when the collected voltage is greater than the maximum range, the maximum range will be used as the output.
522 +
523 +1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
524 +
525 +[[image:image-20220628151005-5.png]]
526 +
527 +
528 +2) The maximum range is about 1.1V. Each chip has internal calibration, so this value is close to 1.1v
529 +
530 +[[image:image-20220628151056-6.png]]
531 +
532 +
533 +3) Within range
534 +
535 +[[image:image-20220628151143-7.png]]
536 +
537 +
538 +
498 498  == 2.5 Show data on Datacake ==
499 499  
500 500  (((
... ... @@ -1003,7 +1003,6 @@
1003 1003  
1004 1004  
1005 1005  
1006 -
1007 1007  == 2.8 LED Indicator ==
1008 1008  
1009 1009  The LHT65 has a triple color LED which for easy showing different stage .
... ... @@ -1034,8 +1034,24 @@
1034 1034  
1035 1035  [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1036 1036  
1037 -1m long breakout cable for LHT65N
1077 +**1m long breakout cable for LHT65N. Features:**
1038 1038  
1079 +* (((
1080 +Use for AT Command， works for both LHT52/LHT65N
1081 +)))
1082 +* (((
1083 +Update firmware for LHT65N, works for both LHT52/LHT65N
1084 +)))
1085 +* (((
1086 +Supports ADC mode to monitor external ADC
1087 +)))
1088 +* (((
1089 +Supports Interrupt mode
1090 +)))
1091 +* (((
1092 +Exposed All pins from the LHT65N Type-C connector.
1093 +)))
1094 +
1039 1039  [[image:image-20220619092421-3.png||height="371" width="529"]]
1040 1040  
1041 1041  
... ... @@ -1055,28 +1055,54 @@
1055 1055  * Operating Range: -40 ~~ 125 °C
1056 1056  * Working voltage 2.35v ~~ 5v
1057 1057  
1114 +
1115 +
1116 +
1117 +
1058 1058  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1059 1059  
1120 +(((
1060 1060  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1122 +)))
1061 1061  
1062 -* AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1124 +* (((
1125 +AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1126 +)))
1063 1063  
1064 -* LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1128 +* (((
1129 +LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1130 +)))
1065 1065  
1132 +(((
1066 1066  There are two kinds of commands to configure LHT65N, they are:
1134 +)))
1067 1067  
1068 -* (% style="color:#4f81bd" %)**General Commands**.
1136 +* (((
1137 +(% style="color:#4f81bd" %)**General Commands**.
1138 +)))
1069 1069  
1140 +(((
1070 1070  These commands are to configure:
1142 +)))
1071 1071  
1072 -1. General system settings like: uplink interval.
1073 -1. LoRaWAN protocol & radio-related commands.
1144 +1. (((
1145 +General system settings like: uplink interval.
1146 +)))
1147 +1. (((
1148 +LoRaWAN protocol & radio-related commands.
1149 +)))
1074 1074  
1151 +(((
1075 1075  They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki: [[End Device Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
1153 +)))
1076 1076  
1077 -* (% style="color:#4f81bd" %)**Commands special design for LHT65N**
1155 +* (((
1156 +(% style="color:#4f81bd" %)**Commands special design for LHT65N**
1157 +)))
1078 1078  
1159 +(((
1079 1079  These commands are only valid for LHT65N, as below:
1161 +)))
1080 1080  
1081 1081  
1082 1082  == 4.1 Set Transmit Interval Time ==
... ... @@ -1098,6 +1098,10 @@
1098 1098  
1099 1099  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1100 1100  
1183 +
1184 +
1185 +
1186 +
1101 1101  == 4.2 Set External Sensor Mode ==
1102 1102  
1103 1103  Feature: Change External Sensor Mode.
... ... @@ -1119,6 +1119,10 @@
1119 1119  
1120 1120  * 0xA20702003c: Same as AT+SETCNT=60
1121 1121  
1208 +
1209 +
1210 +
1211 +
1122 1122  == 4.3 Enable/Disable uplink Temperature probe ID ==
1123 1123  
1124 1124  (((
... ... @@ -1146,6 +1146,10 @@
1146 1146  * **0xA800**  **~-~->** AT+PID=0
1147 1147  * **0xA801**     **~-~->** AT+PID=1
1148 1148  
1239 +
1240 +
1241 +
1242 +
1149 1149  == 4.4 Set Password ==
1150 1150  
1151 1151  Feature: Set device password, max 9 digits
... ... @@ -1192,6 +1192,10 @@
1192 1192  
1193 1193  * There is no downlink command to set to Sleep mode.
1194 1194  
1289 +
1290 +
1291 +
1292 +
1195 1195  == 4.7 Set system time ==
1196 1196  
1197 1197  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
... ... @@ -1288,6 +1288,10 @@
1288 1288  
1289 1289  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1290 1290  
1389 +
1390 +
1391 +
1392 +
1291 1291  == 4.13 Auto Send None-ACK messages ==
1292 1292  
1293 1293  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
... ... @@ -1306,6 +1306,10 @@
1306 1306  
1307 1307  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1308 1308  
1411 +
1412 +
1413 +
1414 +
1309 1309  = 5. Battery & How to replace =
1310 1310  
1311 1311  == 5.1 Battery Type ==
... ... @@ -1365,16 +1365,11 @@
1365 1365  
1366 1366  (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1367 1367  
1368 -(% _msthash="506062" _msttexthash="1187732" %)
1369 -**✓ (% style="background-color:yellow" %)USB to TTL GND <~-~->GND(%%)**
1474 +* (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND**
1475 +* (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1476 +* (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1477 +* (% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1370 1370  
1371 -(% _msthash="506063" _msttexthash="1158313" %)**✓  **(% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1372 -
1373 -(% _msthash="506064" _msttexthash="1175629" %)**✓  **(% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1374 -
1375 -(% _msthash="506065" _msttexthash="1164696" %)**✓  **(% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1376 -
1377 -
1378 1378  (((
1379 1379  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.
1380 1380  )))
... ... @@ -1683,7 +1683,59 @@
1683 1683  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1684 1684  
1685 1685  
1787 +== 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1686 1686  
1789 +[[image:image-20220623110706-1.png]]
1790 +
1791 +
1792 +[[image:image-20220623112117-4.png||height="459" width="343"]]
1793 +
1794 +(((
1795 +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.
1796 +)))
1797 +
1798 +
1799 +Input password and ATZ to activate LHT65N,As shown below:
1800 +
1801 +[[image:image-20220615154519-3.png||height="672" width="807"]]
1802 +
1803 +
1804 +== 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1805 +
1806 +[[image:image-20220623110706-1.png]]
1807 +
1808 +(% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1809 +
1810 +[[image:image-20220615170542-5.png]]
1811 +
1812 +
1813 +(% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1814 +
1815 +(% _msthash="506146" _msttexthash="52173160" %)
1816 +First connect the four lines；
1817 +
1818 +(% _msthash="506146" _msttexthash="52173160" %)
1819 +[[image:image-20220623113959-5.png||height="528" width="397"]]
1820 +
1821 +(% _msthash="506146" _msttexthash="52173160" %)
1822 +Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1823 +
1824 +(% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1825 +
1826 +[[image:image-20220615171334-6.png]]
1827 +
1828 +
1829 +Click the (% style="color:blue" %)**start**(%%) button to start the firmware upgrade.
1830 +
1831 +
1832 +When this interface appears, it indicates that the download has been completed.
1833 +
1834 +[[image:image-20220620160723-8.png]]
1835 +
1836 +
1837 +Finally,restart reset device again
1838 +
1839 +
1687 1687  = 7. Order Info =
1688 1688  
1689 1689  
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1711 1711  
1712 1712  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1713 1713  
1867 +
1868 +
1869 +
1870 +
1714 1714  = 8. Packing Info =
1715 1715  
1716 1716  
... ... @@ -1724,10 +1724,18 @@
1724 1724  * Device Size:  10 x 10 x 3.5 cm
1725 1725  * Device Weight: 120.5g
1726 1726  
1884 +
1885 +
1886 +
1887 +
1727 1727  = 9. Reference material =
1728 1728  
1729 1729  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1730 1730  
1892 +
1893 +
1894 +
1895 +
1731 1731  = 10. FCC Warning =
1732 1732  
1733 1733  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
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