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Last modified by Xiaoling on 2023/07/18 10:12
From version 170.24
edited by Xiaoling
on 2022/06/22 11:15
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
... ... @@ -58,6 +58,7 @@
58 58  * Tri-color LED to indicate working status
59 59  * Datalog feature
60 60  
61 +
61 61  == 1.3 Specification ==
62 62  
63 63  
... ... @@ -82,23 +82,36 @@
82 82  * ±2°C accuracy from -55°C to +125°C
83 83  * Operating Range: -55 °C ~~ 125 °C
84 84  
86 +
85 85  = 2. Connect LHT65N to IoT Server =
86 86  
87 87  == 2.1 How does LHT65N work? ==
88 88  
91 +(((
89 89  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 +)))
90 90  
95 +(((
91 91  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 +)))
92 92  
93 93  
94 94  == 2.2 How to Activate LHT65N? ==
95 95  
102 +(((
96 96  The LHT65N has two working modes:
104 +)))
97 97  
98 -* (% 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.
99 -* (% 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 +)))
100 100  
113 +(((
101 101  The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
115 +)))
102 102  
103 103  
104 104  [[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
... ... @@ -253,6 +253,8 @@
253 253  
254 254  
255 255  
270 +
271 +
256 256  === 2.4.1 Decoder in TTN V3 ===
257 257  
258 258  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.
... ... @@ -284,6 +284,9 @@
284 284  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
285 285  
286 286  
303 +
304 +
305 +
287 287  === 2.4.3 Built-in Temperature ===
288 288  
289 289  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
... ... @@ -294,6 +294,10 @@
294 294  
295 295  * Temperature:  (0xF5C6-65536)/100=-26.18℃
296 296  
316 +
317 +
318 +
319 +
297 297  === 2.4.4 Built-in Humidity ===
298 298  
299 299  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
... ... @@ -300,6 +300,10 @@
300 300  
301 301  * Humidity:    0x025C/10=60.4%
302 302  
326 +
327 +
328 +
329 +
303 303  === 2.4.5 Ext # ===
304 304  
305 305  Bytes for External Sensor:
... ... @@ -453,6 +453,9 @@
453 453  * 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)
454 454  
455 455  
483 +
484 +
485 +
456 456  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
457 457  
458 458  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
... ... @@ -529,6 +529,8 @@
529 529  
530 530  
531 531  
562 +
563 +
532 532  === 2.6.2 Unix TimeStamp ===
533 533  
534 534  
... ... @@ -551,20 +551,37 @@
551 551  
552 552  === 2.6.3 Set Device Time ===
553 553  
586 +(((
554 554  There are two ways to set device's time:
588 +)))
555 555  
590 +(((
556 556  **~1. Through LoRaWAN MAC Command (Default settings)**
592 +)))
557 557  
594 +(((
558 558  User need to set SYNCMOD=1 to enable sync time via MAC command.
596 +)))
559 559  
598 +(((
560 560  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 +)))
561 561  
602 +(((
562 562  (% 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 +)))
563 563  
606 +(((
607 +
608 +)))
564 564  
610 +(((
565 565  **2. Manually Set Time**
612 +)))
566 566  
614 +(((
567 567  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 +)))
568 568  
569 569  
570 570  
... ... @@ -916,8 +916,6 @@
916 916  * RED LED when external sensor is not connected
917 917  * For each success downlink, the PURPLE LED will blink once
918 918  
919 -
920 -
921 921  == 2.9 installation ==
922 922  
923 923  (% _mstvisible="1" %)
... ... @@ -952,8 +952,6 @@
952 952  * Operating Range: -40 ~~ 125 °C
953 953  * Working voltage 2.35v ~~ 5v
954 954  
955 -
956 -
957 957  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
958 958  
959 959  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
... ... @@ -1018,7 +1018,6 @@
1018 1018  
1019 1019  * 0xA20702003c: Same as AT+SETCNT=60
1020 1020  
1021 -
1022 1022  == 4.3 Enable/Disable uplink Temperature probe ID ==
1023 1023  
1024 1024  (((
... ... @@ -1046,7 +1046,6 @@
1046 1046  * **0xA800**  **~-~->** AT+PID=0
1047 1047  * **0xA801**     **~-~->** AT+PID=1
1048 1048  
1049 -
1050 1050  == 4.4 Set Password ==
1051 1051  
1052 1052  Feature: Set device password, max 9 digits
... ... @@ -1093,8 +1093,6 @@
1093 1093  
1094 1094  * There is no downlink command to set to Sleep mode.
1095 1095  
1096 -
1097 -
1098 1098  == 4.7 Set system time ==
1099 1099  
1100 1100  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
... ... @@ -1191,8 +1191,6 @@
1191 1191  
1192 1192  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1193 1193  
1194 -
1195 -
1196 1196  == 4.13 Auto Send None-ACK messages ==
1197 1197  
1198 1198  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
... ... @@ -1211,7 +1211,6 @@
1211 1211  
1212 1212  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1213 1213  
1214 -
1215 1215  = 5. Battery & How to replace =
1216 1216  
1217 1217  == 5.1 Battery Type ==
... ... @@ -1617,8 +1617,6 @@
1617 1617  
1618 1618  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1619 1619  
1620 -
1621 -
1622 1622  = 8. Packing Info =
1623 1623  
1624 1624  
... ... @@ -1632,7 +1632,6 @@
1632 1632  * Device Size:  10 x 10 x 3.5 cm
1633 1633  * Device Weight: 120.5g
1634 1634  
1635 -
1636 1636  = 9. Reference material =
1637 1637  
1638 1638  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]