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Last modified by Xiaoling on 2023/07/18 10:12
From version 170.25
edited by Xiaoling
on 2022/06/22 11:16
Change comment: There is no comment for this version
To version 170.29
edited by Xiaoling
on 2022/06/22 11:21
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -59,8 +59,6 @@
59 59  * Datalog feature
60 60  
61 61  
62 -
63 -
64 64  == 1.3 Specification ==
65 65  
66 66  
... ... @@ -85,23 +85,36 @@
85 85  * ±2°C accuracy from -55°C to +125°C
86 86  * Operating Range: -55 °C ~~ 125 °C
87 87  
86 +
88 88  = 2. Connect LHT65N to IoT Server =
89 89  
90 90  == 2.1 How does LHT65N work? ==
91 91  
91 +(((
92 92  LHT65N is configured as LoRaWAN OTAA Class A mode by default. Each LHT65N is shipped with a worldwide unique set of OTAA keys. To use LHT65N in a LoRaWAN network, first, we need to put the OTAA keys in LoRaWAN Network Server and then activate LHT65N.
93 +)))
93 93  
95 +(((
94 94  If LHT65N is under the coverage of this LoRaWAN network. LHT65N can join the LoRaWAN network automatically. After successfully joining, LHT65N will start to measure environment temperature and humidity, and start to transmit sensor data to the LoRaWAN server. The default period for each uplink is 20 minutes.
97 +)))
95 95  
96 96  
97 97  == 2.2 How to Activate LHT65N? ==
98 98  
102 +(((
99 99  The LHT65N has two working modes:
104 +)))
100 100  
101 -* (% style="color:blue" %)**Deep Sleep Mode**(%%): LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
102 -* (% style="color:blue" %)**Working Mode**(%%):  In this mode, LHT65N works as LoRaWAN Sensor mode to Join LoRaWAN network and send out the sensor data to the server. Between each sampling/tx/rx periodically, LHT65N will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode. 
106 +* (((
107 +(% style="color:blue" %)**Deep Sleep Mode**(%%): LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
108 +)))
109 +* (((
110 +(% style="color:blue" %)**Working Mode**(%%):  In this mode, LHT65N works as LoRaWAN Sensor mode to Join LoRaWAN network and send out the sensor data to the server. Between each sampling/tx/rx periodically, LHT65N will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode. 
111 +)))
103 103  
113 +(((
104 104  The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
115 +)))
105 105  
106 106  
107 107  [[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
... ... @@ -256,6 +256,8 @@
256 256  
257 257  
258 258  
270 +
271 +
259 259  === 2.4.1 Decoder in TTN V3 ===
260 260  
261 261  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.
... ... @@ -287,6 +287,9 @@
287 287  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
288 288  
289 289  
303 +
304 +
305 +
290 290  === 2.4.3 Built-in Temperature ===
291 291  
292 292  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
... ... @@ -297,6 +297,10 @@
297 297  
298 298  * Temperature:  (0xF5C6-65536)/100=-26.18℃
299 299  
316 +
317 +
318 +
319 +
300 300  === 2.4.4 Built-in Humidity ===
301 301  
302 302  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
... ... @@ -303,6 +303,10 @@
303 303  
304 304  * Humidity:    0x025C/10=60.4%
305 305  
326 +
327 +
328 +
329 +
306 306  === 2.4.5 Ext # ===
307 307  
308 308  Bytes for External Sensor:
... ... @@ -456,6 +456,9 @@
456 456  * 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)
457 457  
458 458  
483 +
484 +
485 +
459 459  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
460 460  
461 461  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
... ... @@ -532,6 +532,8 @@
532 532  
533 533  
534 534  
562 +
563 +
535 535  === 2.6.2 Unix TimeStamp ===
536 536  
537 537  
... ... @@ -554,20 +554,37 @@
554 554  
555 555  === 2.6.3 Set Device Time ===
556 556  
586 +(((
557 557  There are two ways to set device's time:
588 +)))
558 558  
590 +(((
559 559  **~1. Through LoRaWAN MAC Command (Default settings)**
592 +)))
560 560  
594 +(((
561 561  User need to set SYNCMOD=1 to enable sync time via MAC command.
596 +)))
562 562  
598 +(((
563 563  Once LHT65N Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to LHT65N. If LHT65N fails to get the time from the server, LHT65N will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
600 +)))
564 564  
602 +(((
565 565  (% 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.
604 +)))
566 566  
606 +(((
607 +
608 +)))
567 567  
610 +(((
568 568  **2. Manually Set Time**
612 +)))
569 569  
614 +(((
570 570  User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
616 +)))
571 571  
572 572  
573 573  
... ... @@ -919,8 +919,6 @@
919 919  * RED LED when external sensor is not connected
920 920  * For each success downlink, the PURPLE LED will blink once
921 921  
922 -
923 -
924 924  == 2.9 installation ==
925 925  
926 926  (% _mstvisible="1" %)
... ... @@ -955,8 +955,6 @@
955 955  * Operating Range: -40 ~~ 125 °C
956 956  * Working voltage 2.35v ~~ 5v
957 957  
958 -
959 -
960 960  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
961 961  
962 962  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
... ... @@ -1021,7 +1021,6 @@
1021 1021  
1022 1022  * 0xA20702003c: Same as AT+SETCNT=60
1023 1023  
1024 -
1025 1025  == 4.3 Enable/Disable uplink Temperature probe ID ==
1026 1026  
1027 1027  (((
... ... @@ -1049,7 +1049,6 @@
1049 1049  * **0xA800**  **~-~->** AT+PID=0
1050 1050  * **0xA801**     **~-~->** AT+PID=1
1051 1051  
1052 -
1053 1053  == 4.4 Set Password ==
1054 1054  
1055 1055  Feature: Set device password, max 9 digits
... ... @@ -1096,8 +1096,6 @@
1096 1096  
1097 1097  * There is no downlink command to set to Sleep mode.
1098 1098  
1099 -
1100 -
1101 1101  == 4.7 Set system time ==
1102 1102  
1103 1103  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
... ... @@ -1194,8 +1194,6 @@
1194 1194  
1195 1195  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1196 1196  
1197 -
1198 -
1199 1199  == 4.13 Auto Send None-ACK messages ==
1200 1200  
1201 1201  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
... ... @@ -1214,7 +1214,6 @@
1214 1214  
1215 1215  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1216 1216  
1217 -
1218 1218  = 5. Battery & How to replace =
1219 1219  
1220 1220  == 5.1 Battery Type ==
... ... @@ -1620,8 +1620,6 @@
1620 1620  
1621 1621  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1622 1622  
1623 -
1624 -
1625 1625  = 8. Packing Info =
1626 1626  
1627 1627  
... ... @@ -1635,7 +1635,6 @@
1635 1635  * Device Size:  10 x 10 x 3.5 cm
1636 1636  * Device Weight: 120.5g
1637 1637  
1638 -
1639 1639  = 9. Reference material =
1640 1640  
1641 1641  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]