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Last modified by Xiaoling on 2023/07/18 10:12
From version 198.1
edited by Bei Jinggeng
on 2022/09/06 10:35
Change comment: There is no comment for this version
To version 197.1
edited by Bei Jinggeng
on 2022/09/06 10:23
Change comment: Uploaded new attachment "image-20220906102307-7.png", version {1}

Summary

Details

Page properties
Content
... ... @@ -60,6 +60,7 @@
60 60  * Datalog feature (Max 3328 records)
61 61  
62 62  
63 +
63 63  == 1.3 Specification ==
64 64  
65 65  
... ... @@ -85,6 +85,7 @@
85 85  * Operating Range: -55 °C ~~ 125 °C
86 86  
87 87  
89 +
88 88  = 2. Connect LHT65N to IoT Server =
89 89  
90 90  == 2.1 How does LHT65N work? ==
... ... @@ -275,6 +275,7 @@
275 275  * 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.)
276 276  
277 277  
280 +
278 278  === 2.4.1 Decoder in TTN V3 ===
279 279  
280 280  
... ... @@ -308,6 +308,7 @@
308 308  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
309 309  
310 310  
314 +
311 311  === 2.4.3 Built-in Temperature ===
312 312  
313 313  
... ... @@ -320,6 +320,7 @@
320 320  * Temperature:  (0xF5C6-65536)/100=-26.18℃
321 321  
322 322  
327 +
323 323  === 2.4.4 Built-in Humidity ===
324 324  
325 325  
... ... @@ -328,6 +328,7 @@
328 328  * Humidity:    0x025C/10=60.4%
329 329  
330 330  
336 +
331 331  === 2.4.5 Ext # ===
332 332  
333 333  
... ... @@ -486,6 +486,7 @@
486 486  * (% 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)
487 487  
488 488  
495 +
489 489  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
490 490  
491 491  
... ... @@ -533,161 +533,7 @@
533 533  [[image:image-20220628151143-7.png]]
534 534  
535 535  
536 -==== ====
537 537  
538 -==== 2.4.6.4 Ext~=2 TMP117 Sensor （since v1.3） ====
539 -
540 -Ext=2,Temperature Sensor(TMP117)：
541 -
542 -[[image:image-20220906102307-7.png]]
543 -
544 -
545 -**Interrupt Mode and Counting Mode**
546 -
547 -The external cable NE2 can be use for MOD4 and MOD8
548 -
549 -
550 -
551 -==== 2.4.6.5 Ext~=4 Interrupt Mode （since v1.3） ====
552 -
553 -**Note: In this mode, 3.3v output will be always ON. LHT65N will send an uplink when there is a trigger.**
554 -
555 -**Interrupt Mode can be used to connect to external interrupt sensors such as:**
556 -
557 -Case 1:Door Sensor. 3.3v Out for such sensor is just to detect Open/Close.
558 -
559 - In Open State, the power consumption is the same as if there is no probe
560 -
561 - In Close state, the power consumption will be 3uA higher than normal.
562 -
563 -[[image:image-20220906100852-1.png||height="205" width="377"]]
564 -
565 -Ext=4,Interrupt Sensor：
566 -
567 -(% border="8" cellpadding="4" cellspacing="4" style="height:8px; width:662px" %)
568 -|(((
569 -AT+EXT=4,1
570 -)))|(% style="width:503px" %)(((
571 -Sent uplink packet in both rising and falling interrupt
572 -)))
573 -|(((
574 -AT+EXT=4,2
575 -)))|(% style="width:503px" %)(((
576 -Sent uplink packet only in falling interrupt
577 -)))
578 -|(((
579 -AT+EXT=4,3
580 -)))|(% style="width:503px" %)(((
581 -Sent uplink packet only in rising interrupt
582 -)))
583 -
584 -Trigger by falling edge:
585 -
586 -[[image:image-20220906101145-2.png]]
587 -
588 -
589 -Trigger by raising edge：
590 -
591 -[[image:image-20220906101145-3.png]]
592 -
593 -
594 -==== ====
595 -
596 -==== 2.4.6.6 Ext~=8 Counting Mode（since v1.3） ====
597 -
598 -**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.**
599 -
600 -
601 -Case 1: Low power consumption Flow Sensor, such flow sensor has pulse output and the power consumption in uA level and can be powered by LHT65N.
602 -
603 -[[image:image-20220906101320-4.png||height="366" width="698"]]
604 -
605 -Case 2: Normal Flow Sensor: Such flow sensor has higher power consumption and is not suitable to be powered by LHT65N. It is powered by external power and output <3.3v pulse
606 -
607 -[[image:image-20220906101320-5.png||height="353" width="696"]]
608 -
609 -Ext=8, Counting Sensor ( 4 bytes)：
610 -
611 -(% border="8" cellpadding="4" cellspacing="4" style="height:8px; width:662px" %)
612 -|(((
613 -AT+EXT=8,0
614 -)))|(% style="width:503px" %)(((
615 -Count at falling interrupt
616 -)))
617 -|(((
618 -AT+EXT=8,1
619 -)))|(% style="width:503px" %)(((
620 -Count at rising interrupt
621 -)))
622 -|(((
623 -AT+SETCNT=60
624 -)))|(% style="width:503px" %)(((
625 -Sent current count to 60
626 -)))
627 -
628 -
629 -[[image:image-20220906101320-6.png]]
630 -
631 -
632 -A2 downlink Command：
633 -
634 -A2 02: Same as AT+EXT=2 (AT+EXT= second byte)
635 -
636 -A2 06 01 F4: Same as AT+EXT=6,500 (AT+EXT= second byte, third and fourth bytes)
637 -
638 -A2 04 02: Same as AT+EXT=4,2 (AT+EXT= second byte, third byte)
639 -
640 -A2 08 01 00: Same as AT+EXT=8,0 (AT+EXT= second byte, fourth byte)
641 -
642 -A2 08 02 00 00 00 3C: Same as AT+ SETCNT=60  (AT+ SETCNT = 4th byte and 5th byte and 6th byte and 7th byte)
643 -
644 -
645 -
646 -
647 -**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
648 -
649 -
650 -AT+WMOD=parameter1,parameter2,parameter3,parameter4
651 -
652 -Parameter 1: Alarm mode:
653 -
654 -0): Cancel
655 -
656 -1): Threshold alarm
657 -
658 -2): Fluctuation alarm
659 -
660 -
661 -Parameter 2: Sampling time. Unit: seconds, up to 255 seconds.
662 -
663 -**Note: When the collection time is less than 60 seconds and always exceeds the set alarm threshold, the sending interval will not be the collection time, but will be sent every 60 seconds.**
664 -
665 -
666 -Parameter 3 and parameter 4:
667 -
668 -1):If Alarm Mode is set to 1: Parameter 3 and parameter 4 are valid, as before, they represent low temperature and high temperature.
669 -
670 -Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
671 -
672 -
673 -2):If Alarm Mode is set to 2: Parameter 3 is valid, which represents the difference between the currently collected temperature and the last uploaded temperature.
674 -
675 -Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
676 -
677 -If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
678 -
679 -
680 -Downlink:
681 -
682 -0xA5 00 ~-~- AT+WMOD=0.
683 -
684 -0xA5 01 0A 11 94 29 04 ~-~- AT+WMOD=1,10,45,105  (AT+WMOD = second byte, third byte, fourth and fifth bytes divided by 100, sixth and seventh bytes divided by 100 )
685 -
686 -0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
687 -
688 -0xA5 FF ~-~- After the device receives it, upload the current alarm configuration (FPORT=8). Such as 01 0A 11 94 29 04 or 02 0A 02.
689 -
690 -
691 691  == 2.5 Show data on Datacake ==
692 692  
693 693  
... ... @@ -1238,6 +1238,7 @@
1238 1238  * For each success downlink, the PURPLE LED will blink once
1239 1239  
1240 1240  
1094 +
1241 1241  == 2.9 installation ==
1242 1242  
1243 1243  
... ... @@ -1295,6 +1295,7 @@
1295 1295  * Working voltage 2.35v ~~ 5v
1296 1296  
1297 1297  
1152 +
1298 1298  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1299 1299  
1300 1300  
... ... @@ -1365,6 +1365,7 @@
1365 1365  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1366 1366  
1367 1367  
1223 +
1368 1368  == 4.2 Set External Sensor Mode ==
1369 1369  
1370 1370  
... ... @@ -1389,6 +1389,7 @@
1389 1389  * 0xA20702003c: Same as AT+SETCNT=60
1390 1390  
1391 1391  
1248 +
1392 1392  == 4.3 Enable/Disable uplink Temperature probe ID ==
1393 1393  
1394 1394  
... ... @@ -1420,6 +1420,7 @@
1420 1420  * **0xA801**     **~-~->** AT+PID=1
1421 1421  
1422 1422  
1280 +
1423 1423  == 4.4 Set Password ==
1424 1424  
1425 1425  
... ... @@ -1472,6 +1472,7 @@
1472 1472  * There is no downlink command to set to Sleep mode.
1473 1473  
1474 1474  
1333 +
1475 1475  == 4.7 Set system time ==
1476 1476  
1477 1477  
... ... @@ -1581,6 +1581,7 @@
1581 1581  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1582 1582  
1583 1583  
1443 +
1584 1584  == 4.13 Auto Send None-ACK messages ==
1585 1585  
1586 1586  
... ... @@ -1602,6 +1602,7 @@
1602 1602  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1603 1603  
1604 1604  
1465 +
1605 1605  = 5. Battery & How to replace =
1606 1606  
1607 1607  == 5.1 Battery Type ==
... ... @@ -2073,6 +2073,7 @@
2073 2073  
2074 2074  * (% style="color:red" %)**E3**(%%): External Temperature Probe
2075 2075  
1937 +
2076 2076  = 8. Packing Info =
2077 2077  
2078 2078  
... ... @@ -2086,11 +2086,13 @@
2086 2086  * Device Size:  10 x 10 x 3.5 cm
2087 2087  * Device Weight: 120.5g
2088 2088  
1951 +
2089 2089  = 9. Reference material =
2090 2090  
2091 2091  
2092 2092  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
2093 2093  
1957 +
2094 2094  = 10. FCC Warning =
2095 2095  
2096 2096