Last modified by Xiaoling on 2023/07/18 10:12

From version 204.1
edited by Edwin Chen
on 2022/10/08 15:03
Change comment: There is no comment for this version
To version 203.1
edited by Edwin Chen
on 2022/10/06 19:30
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -61,6 +61,7 @@
61 61  * Tri-color LED to indicate working status
62 62  * Datalog feature (Max 3328 records)
63 63  
64 +
64 64  == 1.3 Specification ==
65 65  
66 66  
... ... @@ -85,6 +85,7 @@
85 85  * ±2°C accuracy from -55°C to +125°C
86 86  * Operating Range: -55 °C ~~ 125 °C
87 87  
89 +
88 88  = 2. Connect LHT65N to IoT Server =
89 89  
90 90  
... ... @@ -277,6 +277,7 @@
277 277  * 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.)
278 278  
279 279  
282 +
280 280  === 2.4.1 Decoder in TTN V3 ===
281 281  
282 282  
... ... @@ -310,6 +310,7 @@
310 310  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
311 311  
312 312  
316 +
313 313  === 2.4.3 Built-in Temperature ===
314 314  
315 315  
... ... @@ -322,6 +322,7 @@
322 322  * Temperature:  (0xF5C6-65536)/100=-26.18℃
323 323  
324 324  
329 +
325 325  === 2.4.4 Built-in Humidity ===
326 326  
327 327  
... ... @@ -330,6 +330,7 @@
330 330  * Humidity:    0x025C/10=60.4%
331 331  
332 332  
338 +
333 333  === 2.4.5 Ext # ===
334 334  
335 335  
... ... @@ -488,6 +488,7 @@
488 488  * (% style="color:blue" %)**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)
489 489  
490 490  
497 +
491 491  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
492 492  
493 493  
... ... @@ -761,16 +761,9 @@
761 761  
762 762  There are two methods:
763 763  
764 -**Method 1**: IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specified time range.
771 +1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
772 +1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will mark these records with non-ack message and store the sensor data, and it will send all messages (10s interval) after the network recovery. note: a) LHT65N will do ack check for data records sending to make sure every data arrive server. b) LHT65N will send data in CONFIRMED Mode when PNACKMD=1, but it won't re-transmit the same packet , it will just mark it as NONE-ACK and resend after network is detected.
765 765  
766 -
767 -**Method 2: **Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
768 -
769 -**Note for method 2:**
770 -
771 -* a) LHT65N will do an ACK check for data records sending to make sure every data arrive server.
772 -* b) LHT65N will send data in **CONFIRMED Mode** when PNACKMD=1, but LHT65N won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if LHT65N gets a ACK, LHT65N will consider there is a network connection and resend all NONE-ACK Message.
773 -
774 774  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
775 775  
776 776  
... ... @@ -1261,6 +1261,7 @@
1261 1261  * For each success downlink, the PURPLE LED will blink once
1262 1262  
1263 1263  
1264 +
1264 1264  == 2.9 installation ==
1265 1265  
1266 1266  
... ... @@ -1319,6 +1319,7 @@
1319 1319  * Working voltage 2.35v ~~ 5v
1320 1320  
1321 1321  
1323 +
1322 1322  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1323 1323  
1324 1324  
... ... @@ -1389,6 +1389,7 @@
1389 1389  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1390 1390  
1391 1391  
1394 +
1392 1392  == 4.2 Set External Sensor Mode ==
1393 1393  
1394 1394  
... ... @@ -1413,6 +1413,7 @@
1413 1413  * 0xA20702003c: Same as AT+SETCNT=60
1414 1414  
1415 1415  
1419 +
1416 1416  == 4.3 Enable/Disable uplink Temperature probe ID ==
1417 1417  
1418 1418  
... ... @@ -1444,6 +1444,7 @@
1444 1444  * **0xA801**     **~-~->** AT+PID=1
1445 1445  
1446 1446  
1451 +
1447 1447  == 4.4 Set Password ==
1448 1448  
1449 1449  
... ... @@ -1496,6 +1496,7 @@
1496 1496  * There is no downlink command to set to Sleep mode.
1497 1497  
1498 1498  
1504 +
1499 1499  == 4.7 Set system time ==
1500 1500  
1501 1501  
... ... @@ -1605,6 +1605,7 @@
1605 1605  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1606 1606  
1607 1607  
1614 +
1608 1608  == 4.13 Auto Send None-ACK messages ==
1609 1609  
1610 1610  
... ... @@ -1626,6 +1626,7 @@
1626 1626  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1627 1627  
1628 1628  
1636 +
1629 1629  = 5. Battery & How to replace =
1630 1630  
1631 1631  
... ... @@ -2096,6 +2096,7 @@
2096 2096  * (% style="color:red" %)**E3**(%%): External Temperature Probe
2097 2097  
2098 2098  
2107 +
2099 2099  = 8. Packing Info =
2100 2100  
2101 2101  
... ... @@ -2110,6 +2110,7 @@
2110 2110  * Device Weight: 120.5g
2111 2111  
2112 2112  
2122 +
2113 2113  = 9. Reference material =
2114 2114  
2115 2115  
... ... @@ -2116,6 +2116,7 @@
2116 2116  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
2117 2117  
2118 2118  
2129 +
2119 2119  = 10. FCC Warning =
2120 2120  
2121 2121