Changes for page LHT65N -- Manual do sensor de temperatura e umidade LoRaWAN
Last modified by Xiaoling on 2023/07/18 10:12
From version 197.1
edited by Bei Jinggeng
on 2022/09/06 10:23
on 2022/09/06 10:23
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edited by Bei Jinggeng
on 2022/10/18 10:47
on 2022/10/18 10:47
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... ... @@ -16,6 +16,7 @@ 16 16 17 17 = 1. Introduction = 18 18 19 + 19 19 == 1.1 What is LHT65N Temperature & Humidity Sensor == 20 20 21 21 ... ... @@ -44,6 +44,7 @@ 44 44 ))) 45 45 46 46 48 + 47 47 == 1.2 Features == 48 48 49 49 ... ... @@ -59,12 +59,10 @@ 59 59 * Tri-color LED to indicate working status 60 60 * Datalog feature (Max 3328 records) 61 61 62 - 63 - 64 64 == 1.3 Specification == 65 65 66 66 67 -**Built-in Temperature Sensor:** 67 +(% style="color:#037691" %)**Built-in Temperature Sensor:** 68 68 69 69 * Resolution: 0.01 °C 70 70 * Accuracy Tolerance : Typ ±0.3 °C ... ... @@ -71,7 +71,7 @@ 71 71 * Long Term Drift: < 0.02 °C/yr 72 72 * Operating Range: -40 ~~ 85 °C 73 73 74 -**Built-in Humidity Sensor:** 74 +(% style="color:#037691" %)**Built-in Humidity Sensor:** 75 75 76 76 * Resolution: 0.04 %RH 77 77 * Accuracy Tolerance : Typ ±3 %RH ... ... @@ -78,7 +78,7 @@ 78 78 * Long Term Drift: < 0.02 °C/yr 79 79 * Operating Range: 0 ~~ 96 %RH 80 80 81 -**External Temperature Sensor:** 81 +(% style="color:#037691" %)**External Temperature Sensor:** 82 82 83 83 * Resolution: 0.0625 °C 84 84 * ±0.5°C accuracy from -10°C to +85°C ... ... @@ -85,10 +85,9 @@ 85 85 * ±2°C accuracy from -55°C to +125°C 86 86 * Operating Range: -55 °C ~~ 125 °C 87 87 88 - 89 - 90 90 = 2. Connect LHT65N to IoT Server = 91 91 90 + 92 92 == 2.1 How does LHT65N work? == 93 93 94 94 ... ... @@ -133,6 +133,7 @@ 133 133 (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %) 134 134 This section shows an example of how to join the TTN V3 LoRaWAN IoT server. Use with other LoRaWAN IoT servers is of a similar procedure. 135 135 135 + 136 136 (% _mstvisible="1" class="wikigeneratedid" %) 137 137 [[image:image-20220522232442-1.png||_mstalt="427830" _mstvisible="3" height="387" width="648"]] 138 138 ... ... @@ -197,7 +197,7 @@ 197 197 198 198 199 199 200 -== 2.4 Uplink Payload == 200 +== 2.4 Uplink Payload ( Fport~=2) == 201 201 202 202 203 203 ((( ... ... @@ -276,19 +276,14 @@ 276 276 * The 7th byte (EXT #): defines the external sensor model. 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 - 280 - 281 281 === 2.4.1 Decoder in TTN V3 === 282 282 283 283 284 284 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. 285 285 286 -Below is the position to put the decoder and LHT65N decoder can be download from here: 284 +Below is the position to put the decoder and LHT65N decoder can be download from here: [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]] 287 287 288 288 289 -[[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0||_msthash="315253" _msttexthash="3509064" _mstvisible="2"]] 290 - 291 - 292 292 [[image:image-20220522234118-10.png||_mstalt="451464" _mstvisible="3" height="353" width="729"]] 293 293 294 294 ... ... @@ -310,8 +310,6 @@ 310 310 * BAT status=(0Xcba4>>14)&0xFF=11(B),very good 311 311 * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV 312 312 313 - 314 - 315 315 === 2.4.3 Built-in Temperature === 316 316 317 317 ... ... @@ -323,8 +323,6 @@ 323 323 324 324 * Temperature: (0xF5C6-65536)/100=-26.18℃ 325 325 326 - 327 - 328 328 === 2.4.4 Built-in Humidity === 329 329 330 330 ... ... @@ -332,8 +332,6 @@ 332 332 333 333 * Humidity: 0x025C/10=60.4% 334 334 335 - 336 - 337 337 === 2.4.5 Ext # === 338 338 339 339 ... ... @@ -491,8 +491,6 @@ 491 491 * (% style="color:blue" %)**Sync time OK**: (%%) 1: Set time ok,0: N/A. After time SYNC request is sent, LHT65N will set this bit to 0 until got the time stamp from the application server. 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 - 495 - 496 496 ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ==== 497 497 498 498 ... ... @@ -502,7 +502,7 @@ 502 502 503 503 sensor by setting: 504 504 505 -AT+EXT=6,timeout (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms 492 +AT+EXT=6,timeout (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)**Time to power this sensor, from 0 ~~ 65535ms** 506 506 507 507 For example: 508 508 ... ... @@ -525,6 +525,7 @@ 525 525 526 526 When the voltage collected by ADC_IN1 is less than the minimum range, the minimum range will be used as the output; Similarly, when the collected voltage is greater than the maximum range, the maximum range will be used as the output. 527 527 515 + 528 528 1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V 529 529 530 530 [[image:image-20220628151005-5.png]] ... ... @@ -541,6 +541,168 @@ 541 541 542 542 543 543 532 +==== 2.4.6.4 Ext~=2 TMP117 Sensor (Since Firmware v1.3) ==== 533 + 534 + 535 +[[image:image-20220927095645-1.png||height="534" width="460"]] 536 + 537 + 538 +**Ext=2,Temperature Sensor(TMP117):** 539 + 540 +[[image:image-20220906102307-7.png]] 541 + 542 + 543 +(% style="color:blue" %)**Interrupt Mode and Counting Mode:** 544 + 545 +The external cable NE2 can be use for MOD4 and MOD8 546 + 547 + 548 + 549 + 550 +==== 2.4.6.5 Ext~=4 Interrupt Mode (Since Firmware v1.3) ==== 551 + 552 + 553 +(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will send an uplink when there is a trigger.** 554 + 555 + 556 +(% style="color:blue" %)**Interrupt Mode can be used to connect to external interrupt sensors such as:** 557 + 558 +**Case 1: Door Sensor.** 3.3v Out for such sensor is just to detect Open/Close. 559 + 560 + In Open State, the power consumption is the same as if there is no probe 561 + 562 + In Close state, the power consumption will be 3uA higher than normal. 563 + 564 +[[image:image-20220906100852-1.png||height="205" width="377"]] 565 + 566 + 567 +Ext=4,Interrupt Sensor: 568 + 569 +(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:512px" %) 570 +|(% style="width:117px" %)((( 571 +AT+EXT=4,1 572 +)))|(% style="width:371px" %)((( 573 +Sent uplink packet in both rising and falling interrupt 574 +))) 575 +|(% style="width:117px" %)((( 576 +AT+EXT=4,2 577 +)))|(% style="width:371px" %)((( 578 +Sent uplink packet only in falling interrupt 579 +))) 580 +|(% style="width:117px" %)((( 581 +AT+EXT=4,3 582 +)))|(% style="width:371px" %)((( 583 +Sent uplink packet only in rising interrupt 584 +))) 585 + 586 +Trigger by falling edge: 587 + 588 +[[image:image-20220906101145-2.png]] 589 + 590 + 591 +Trigger by raising edge: 592 + 593 +[[image:image-20220906101145-3.png]] 594 + 595 + 596 + 597 + 598 +==== 2.4.6.6 Ext~=8 Counting Mode(Since Firmware v1.3) ==== 599 + 600 + 601 +(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.** 602 + 603 + 604 +(% style="color:blue" %)**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. 605 + 606 +[[image:image-20220906101320-4.png||height="366" width="698"]] 607 + 608 + 609 +(% style="color:blue" %)**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 610 + 611 +[[image:image-20220906101320-5.png||height="353" width="696"]] 612 + 613 +Ext=8, Counting Sensor ( 4 bytes): 614 + 615 +(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:381px" %) 616 +|(% style="width:138px" %)((( 617 +AT+EXT=8,0 618 +)))|(% style="width:240px" %)((( 619 +Count at falling interrupt 620 +))) 621 +|(% style="width:138px" %)((( 622 +AT+EXT=8,1 623 +)))|(% style="width:240px" %)((( 624 +Count at rising interrupt 625 +))) 626 +|(% style="width:138px" %)((( 627 +AT+SETCNT=60 628 +)))|(% style="width:240px" %)((( 629 +Sent current count to 60 630 +))) 631 + 632 +[[image:image-20220906101320-6.png]] 633 + 634 + 635 +(% style="color:blue" %)**A2 downlink Command:** 636 + 637 +A2 02: Same as AT+EXT=2 (AT+EXT= second byte) 638 + 639 +A2 06 01 F4: Same as AT+EXT=6,500 (AT+EXT= second byte, third and fourth bytes) 640 + 641 +A2 04 02: Same as AT+EXT=4,2 (AT+EXT= second byte, third byte) 642 + 643 +A2 08 01 00: Same as AT+EXT=8,0 (AT+EXT= second byte, fourth byte) 644 + 645 +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) 646 + 647 + 648 +(% style="color:blue" %)**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.** 649 + 650 + 651 +(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4** 652 + 653 +(% style="color:#037691" %)**Parameter 1**(%%): Alarm mode: 654 + 655 +0): Cancel 656 + 657 +1): Threshold alarm 658 + 659 +2): Fluctuation alarm 660 + 661 + 662 +(% style="color:#037691" %)** Parameter 2**(%%): Sampling time. Unit: seconds, up to 255 seconds. 663 + 664 +(% style="color:red" %)**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.** 665 + 666 + 667 +(% style="color:#037691" %) **Parameter 3 and parameter 4:** 668 + 669 +1): If Alarm Mode is set to 1: Parameter 3 and parameter 4 are valid, as before, they represent low temperature and high temperature. 670 + 671 +Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm. 672 + 673 + 674 +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. 675 + 676 +Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm. 677 + 678 +If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued. 679 + 680 + 681 +(% style="color:blue" %)** Downlink:** 682 + 683 +0xA5 00 ~-~- AT+WMOD=0. 684 + 685 +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 ) 686 + 687 +0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2 (AT+WMOD = second byte, third byte, fourth byte) 688 + 689 +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. 690 + 691 + 692 + 693 + 544 544 == 2.5 Show data on Datacake == 545 545 546 546 ... ... @@ -603,11 +603,19 @@ 603 603 604 604 There are two methods: 605 605 606 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range. 607 -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. 756 +**Method 1**: IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specified time range. 608 608 758 + 759 +**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. 760 + 761 +**Note for method 2:** 762 + 763 +* a) LHT65N will do an ACK check for data records sending to make sure every data arrive server. 764 +* 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. 765 + 609 609 Below is the typical case for the auto-update datalog feature (Set PNACKMD=1) 610 610 768 + 611 611 [[image:image-20220703111700-2.png||height="381" width="1119"]] 612 612 613 613 ... ... @@ -829,15 +829,18 @@ 829 829 (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext** 830 830 831 831 (% _mstvisible="1" %) 832 -[[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]] 833 - 834 -(% _mstvisible="1" %) 835 835 ((( 836 836 (% _mstvisible="2" %) 837 837 ((( 838 838 (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %) 839 839 ((( 840 -Poll Message Flag: 1: This message is a poll message reply. 995 +[[image:image-20221006192726-1.png||height="112" width="754"]] 996 + 997 +(% class="mark" %)**No ACK Message**(%%): 1: This message means this payload is fromn Uplink Message which doesn't get ACK from the server before ( for [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]] feature) 998 + 999 +(% class="mark" %)**Poll Message Flag**(%%): 1: This message is a poll message reply. 1000 + 1001 + 841 841 ))) 842 842 ))) 843 843 ))) ... ... @@ -886,7 +886,7 @@ 886 886 ((( 887 887 (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %) 888 888 ((( 889 -a) DR0: max is 11 bytes so one entry of data 1050 +**a) DR0:** max is 11 bytes so one entry of data 890 890 ))) 891 891 ))) 892 892 ))) ... ... @@ -897,7 +897,7 @@ 897 897 ((( 898 898 (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %) 899 899 ((( 900 -b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes) 1061 +**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes) 901 901 ))) 902 902 ))) 903 903 ))) ... ... @@ -908,7 +908,7 @@ 908 908 ((( 909 909 (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %) 910 910 ((( 911 -c) DR2: total payload includes 11 entries of data 1072 +**c) DR2:** total payload includes 11 entries of data 912 912 ))) 913 913 ))) 914 914 ))) ... ... @@ -919,7 +919,7 @@ 919 919 ((( 920 920 (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %) 921 921 ((( 922 -d) DR3: total payload includes 22 entries of data. 1083 +**d) DR3: **total payload includes 22 entries of data. 923 923 ))) 924 924 ))) 925 925 ))) ... ... @@ -930,7 +930,7 @@ 930 930 ((( 931 931 (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %) 932 932 ((( 933 -If devise doesn ’t have any data in the polling time. Device will uplink 11 bytes of 01094 +If devise doesn't have any data in the polling time. Device will uplink 11 bytes of 0 934 934 ))) 935 935 ))) 936 936 ))) ... ... @@ -978,6 +978,7 @@ 978 978 (% _mstvisible="1" %) 979 979 [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]] 980 980 1142 + 981 981 (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %) 982 982 ((( 983 983 7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E ... ... @@ -1030,17 +1030,37 @@ 1030 1030 ((( 1031 1031 (% style="color:red" %)**Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.** 1032 1032 1195 +=== **2.7.1 ALARM MODE ( Since v1.3.1 firmware)** === 1196 + 1197 +((( 1198 +(% class="box infomessage" %) 1199 +((( 1200 +**AT+WMOD=3,**: Enable/disable alarm mode. (0: Disabled, 1: Enabled Temperature Alarm for onboard temperature sensor) 1201 + 1202 +**AT+CITEMP=1**: The interval between checking the alarm temperature. (In minutes) 1203 + 1204 +**AT+ARTEMP**: Gets or sets the alarm range of the internal temperature sensor 1205 + 1206 +**AT+ARTEMP=? **: Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %) 1207 + 1208 +**AT+ARTEMP=45,105**: Set the internal temperature sensor alarm range from 45 to 105. 1209 + 1210 +**AT+LEDALARM=1** : Enable LED visual Alarm. 1211 +))) 1212 +))) 1213 + 1214 + 1033 1033 1034 1034 ))) 1035 1035 1036 1036 ((( 1037 -** ATCOMMAND FOR ALARM MODE:**1219 +=== **2.7.2 ALARM MODE ( Before v1.3.1 firmware)** === 1038 1038 ))) 1039 1039 1040 1040 (% _mstvisible="1" class="box infomessage" %) 1041 1041 ((( 1042 1042 ((( 1043 -**AT+WMOD=1**: Enable/disable alarm mode. (0: Disabled, 1: Enabled) 1225 +**AT+WMOD=1**: Enable/disable alarm mode. (0: Disabled, 1: Enabled Temperature Alarm for onboard temperature sensor) 1044 1044 ))) 1045 1045 1046 1046 ((( ... ... @@ -1090,8 +1090,6 @@ 1090 1090 * RED LED when external sensor is not connected 1091 1091 * For each success downlink, the PURPLE LED will blink once 1092 1092 1093 - 1094 - 1095 1095 == 2.9 installation == 1096 1096 1097 1097 ... ... @@ -1102,6 +1102,7 @@ 1102 1102 1103 1103 = 3. Sensors and Accessories = 1104 1104 1285 + 1105 1105 == 3.1 E2 Extension Cable == 1106 1106 1107 1107 ... ... @@ -1148,8 +1148,6 @@ 1148 1148 * Operating Range: -40 ~~ 125 °C 1149 1149 * Working voltage 2.35v ~~ 5v 1150 1150 1151 - 1152 - 1153 1153 = 4. Configure LHT65N via AT command or LoRaWAN downlink = 1154 1154 1155 1155 ... ... @@ -1219,8 +1219,6 @@ 1219 1219 1220 1220 * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 1221 1221 1222 - 1223 - 1224 1224 == 4.2 Set External Sensor Mode == 1225 1225 1226 1226 ... ... @@ -1244,8 +1244,6 @@ 1244 1244 1245 1245 * 0xA20702003c: Same as AT+SETCNT=60 1246 1246 1247 - 1248 - 1249 1249 == 4.3 Enable/Disable uplink Temperature probe ID == 1250 1250 1251 1251 ... ... @@ -1276,8 +1276,6 @@ 1276 1276 * **0xA800** **~-~->** AT+PID=0 1277 1277 * **0xA801** **~-~->** AT+PID=1 1278 1278 1279 - 1280 - 1281 1281 == 4.4 Set Password == 1282 1282 1283 1283 ... ... @@ -1329,8 +1329,6 @@ 1329 1329 1330 1330 * There is no downlink command to set to Sleep mode. 1331 1331 1332 - 1333 - 1334 1334 == 4.7 Set system time == 1335 1335 1336 1336 ... ... @@ -1344,7 +1344,7 @@ 1344 1344 1345 1345 (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:** 1346 1346 1347 -0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352 1518 +0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352 1348 1348 1349 1349 1350 1350 ... ... @@ -1368,8 +1368,8 @@ 1368 1368 1369 1369 (% style="color:#4f81bd" %)**Downlink Command:** 1370 1370 1371 -0x28 01 ~/~/ Same As AT+SYNCMOD=1 1372 -0x28 00 ~/~/ Same As AT+SYNCMOD=0 1542 +0x28 01 ~/~/ Same As AT+SYNCMOD=1 1543 +0x28 00 ~/~/ Same As AT+SYNCMOD=0 1373 1373 1374 1374 1375 1375 ... ... @@ -1386,7 +1386,7 @@ 1386 1386 1387 1387 (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:** 1388 1388 1389 -**0x29 0A** ~/~/ Same as AT+SYNCTDC=0x0A 1560 +**0x29 0A** ~/~/ Same as AT+SYNCTDC=0x0A 1390 1390 1391 1391 1392 1392 ... ... @@ -1437,10 +1437,8 @@ 1437 1437 1438 1438 (% style="color:#4f81bd" %)**Downlink Command: 0xA3** 1439 1439 1440 -* Example: 0xA301 ~/~/Same as AT+CLRDTA 1611 +* Example: 0xA301 ~/~/ Same as AT+CLRDTA 1441 1441 1442 - 1443 - 1444 1444 == 4.13 Auto Send None-ACK messages == 1445 1445 1446 1446 ... ... @@ -1459,12 +1459,60 @@ 1459 1459 1460 1460 (% style="color:#4f81bd" %)**Downlink Command: 0x34** 1461 1461 1462 -* Example: 0x3401 ~/~/Same as AT+PNACKMD=1 1631 +* Example: 0x3401 ~/~/ Same as AT+PNACKMD=1 1463 1463 1633 +== 4.14 Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm == 1464 1464 1465 1465 1636 +Feature: Set internal and external temperature sensor alarms. 1637 + 1638 +(% border="1" style="background-color:#ffffcc; color:green; width:450px" %) 1639 +|(%%)(% _msthash="1231737" _msttexthash="251862" _mstvisible="6" %)**Command Example**|(%%)(% _msthash="1231738" _msttexthash="116025" _mstvisible="6" %)**Function**|(%%)(% _msthash="1231739" _msttexthash="116831" _mstvisible="6" %)**Response** 1640 +|(%%)(% style="color:#037691" %)AT+WMOD=parameter1,parameter2,parameter3,parameter4|Set internal and external temperature sensor alarms|OK 1641 + 1642 +(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4** 1643 + 1644 +(% style="color:#037691" %)**Parameter 1**(%%): Alarm mode: 1645 + 1646 +0): Cancel 1647 + 1648 +1): Threshold alarm 1649 + 1650 +2): Fluctuation alarm 1651 + 1652 + 1653 +(% style="color:#037691" %)** Parameter 2**(%%): Sampling time. Unit: seconds, up to 255 seconds. 1654 + 1655 +(% style="color:red" %)**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.** 1656 + 1657 + 1658 +(% style="color:#037691" %) **Parameter 3 and parameter 4:** 1659 + 1660 +1): If Alarm Mode is set to 1: Parameter 3 and parameter 4 are valid, as before, they represent low temperature and high temperature. 1661 + 1662 +Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm. 1663 + 1664 + 1665 +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. 1666 + 1667 +Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm. 1668 + 1669 +If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued. 1670 + 1671 + 1672 +(% style="color:#4f81bd" %)**Downlink Command: 0xA5** 1673 + 1674 +0xA5 00 ~-~- AT+WMOD=0. 1675 + 1676 +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 ) 1677 + 1678 +0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2 (AT+WMOD = second byte, third byte, fourth byte) 1679 + 1680 +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. 1681 + 1466 1466 = 5. Battery & How to replace = 1467 1467 1684 + 1468 1468 == 5.1 Battery Type == 1469 1469 1470 1470 ... ... @@ -1531,7 +1531,6 @@ 1531 1531 * (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND** 1532 1532 * (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+** 1533 1533 * (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11** 1534 -* (% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-** 1535 1535 1536 1536 ((( 1537 1537 In PC, User needs to set serial tool(such as [[**putty**>>https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LHT65N. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**) (%%)to active it. Timeout to input AT Command is 5 min, after 5-minute, user need to input password again. User can use AT+DISAT command to disable AT command before timeout. ... ... @@ -1783,7 +1783,7 @@ 1783 1783 == 6.3 How to change the uplink interval? == 1784 1784 1785 1785 1786 -[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/||_msthash="506137" _msttexthash="5712018"]] 2002 +Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/||_msthash="506137" _msttexthash="5712018" style="background-color: rgb(255, 255, 255);"]] 1787 1787 1788 1788 1789 1789 ... ... @@ -1817,6 +1817,7 @@ 1817 1817 [[image:image-20220615170542-5.png]] 1818 1818 1819 1819 2036 + 1820 1820 (% style="color:blue" %)**Step2**(%%):wiring method.(% style="display:none" %) 1821 1821 1822 1822 (% _msthash="506146" _msttexthash="52173160" %) ... ... @@ -1830,6 +1830,7 @@ 1830 1830 [[image:image-20220621170938-2.png]] 1831 1831 1832 1832 2050 + 1833 1833 (% style="color:blue" %)**Step3:**(%%)Select the device port to be connected, baud rate and bin file to be downloaded. 1834 1834 1835 1835 [[image:image-20220615171334-6.png]] ... ... @@ -1878,6 +1878,7 @@ 1878 1878 [[image:image-20220615170542-5.png]] 1879 1879 1880 1880 2099 + 1881 1881 (% style="color:blue" %)**Step2**(%%):wiring method.(% style="display:none" %) 1882 1882 1883 1883 (% _msthash="506146" _msttexthash="52173160" %) ... ... @@ -1890,6 +1890,7 @@ 1890 1890 Press and hold the start key to restart and enter (% _mstvisible="1" %)bootlaod(%%) mode. 1891 1891 1892 1892 2112 + 1893 1893 (% style="color:blue" %)**Step3:**(%%)Select the device port to be connected, baud rate and bin file to be downloaded. 1894 1894 1895 1895 [[image:image-20220615171334-6.png]] ... ... @@ -1914,20 +1914,13 @@ 1914 1914 1915 1915 (% style="color:#4f81bd" %)**XX **(%%): The default frequency band 1916 1916 1917 -(% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band 1918 - 2137 +* (% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band 1919 1919 * (% style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band 1920 - 1921 1921 * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band 1922 - 1923 1923 * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band 1924 - 1925 1925 * (% style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band 1926 - 1927 1927 * (% style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band 1928 - 1929 1929 * (% style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 1930 - 1931 1931 * (% style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 1932 1932 1933 1933 (% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories ... ... @@ -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 ... ... @@ -1963,3 +1963,6 @@ 1963 1963 (1) This device may not cause harmful interference; 1964 1964 1965 1965 (2) this device must accept any interference received, including interference that may cause undesired operation. 2176 + 2177 + 2178 +
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