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

Summary

Details

Page properties
Content
... ... @@ -60,7 +60,6 @@
60 60  * Datalog feature (Max 3328 records)
61 61  
62 62  
63 -
64 64  == 1.3 Specification ==
65 65  
66 66  
... ... @@ -86,7 +86,6 @@
86 86  * Operating Range: -55 °C ~~ 125 °C
87 87  
88 88  
89 -
90 90  = 2. Connect LHT65N to IoT Server =
91 91  
92 92  == 2.1 How does LHT65N work? ==
... ... @@ -277,7 +277,6 @@
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  
280 -
281 281  === 2.4.1 Decoder in TTN V3 ===
282 282  
283 283  
... ... @@ -311,7 +311,6 @@
311 311  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
312 312  
313 313  
314 -
315 315  === 2.4.3 Built-in Temperature ===
316 316  
317 317  
... ... @@ -324,7 +324,6 @@
324 324  * Temperature:  (0xF5C6-65536)/100=-26.18℃
325 325  
326 326  
327 -
328 328  === 2.4.4 Built-in Humidity ===
329 329  
330 330  
... ... @@ -333,7 +333,6 @@
333 333  * Humidity:    0x025C/10=60.4%
334 334  
335 335  
336 -
337 337  === 2.4.5 Ext # ===
338 338  
339 339  
... ... @@ -492,7 +492,6 @@
492 492  * (% 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)
493 493  
494 494  
495 -
496 496  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
497 497  
498 498  
... ... @@ -540,7 +540,161 @@
540 540  [[image:image-20220628151143-7.png]]
541 541  
542 542  
536 +==== ====
543 543  
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 +
544 544  == 2.5 Show data on Datacake ==
545 545  
546 546  
... ... @@ -1091,7 +1091,6 @@
1091 1091  * For each success downlink, the PURPLE LED will blink once
1092 1092  
1093 1093  
1094 -
1095 1095  == 2.9 installation ==
1096 1096  
1097 1097  
... ... @@ -1149,7 +1149,6 @@
1149 1149  * Working voltage 2.35v ~~ 5v
1150 1150  
1151 1151  
1152 -
1153 1153  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1154 1154  
1155 1155  
... ... @@ -1220,7 +1220,6 @@
1220 1220  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1221 1221  
1222 1222  
1223 -
1224 1224  == 4.2 Set External Sensor Mode ==
1225 1225  
1226 1226  
... ... @@ -1245,7 +1245,6 @@
1245 1245  * 0xA20702003c: Same as AT+SETCNT=60
1246 1246  
1247 1247  
1248 -
1249 1249  == 4.3 Enable/Disable uplink Temperature probe ID ==
1250 1250  
1251 1251  
... ... @@ -1277,7 +1277,6 @@
1277 1277  * **0xA801**     **~-~->** AT+PID=1
1278 1278  
1279 1279  
1280 -
1281 1281  == 4.4 Set Password ==
1282 1282  
1283 1283  
... ... @@ -1330,7 +1330,6 @@
1330 1330  * There is no downlink command to set to Sleep mode.
1331 1331  
1332 1332  
1333 -
1334 1334  == 4.7 Set system time ==
1335 1335  
1336 1336  
... ... @@ -1440,7 +1440,6 @@
1440 1440  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1441 1441  
1442 1442  
1443 -
1444 1444  == 4.13 Auto Send None-ACK messages ==
1445 1445  
1446 1446  
... ... @@ -1462,7 +1462,6 @@
1462 1462  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1463 1463  
1464 1464  
1465 -
1466 1466  = 5. Battery & How to replace =
1467 1467  
1468 1468  == 5.1 Battery Type ==
... ... @@ -1934,7 +1934,6 @@
1934 1934  
1935 1935  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1936 1936  
1937 -
1938 1938  = 8. Packing Info =
1939 1939  
1940 1940  
... ... @@ -1948,13 +1948,11 @@
1948 1948  * Device Size:  10 x 10 x 3.5 cm
1949 1949  * Device Weight: 120.5g
1950 1950  
1951 -
1952 1952  = 9. Reference material =
1953 1953  
1954 1954  
1955 1955  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1956 1956  
1957 -
1958 1958  = 10. FCC Warning =
1959 1959  
1960 1960