Changes for page LHT65N -- Manual do sensor de temperatura e umidade LoRaWAN
Last modified by Xiaoling on 2023/07/18 10:12
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... ... @@ -18,17 +18,30 @@ 18 18 19 19 == 1.1 What is LHT65N Temperature & Humidity Sensor == 20 20 21 + 22 +((( 21 21 The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% style="color:#4f81bd" %)**built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% style="color:#4f81bd" %)**Temperature Sensor.** 24 +))) 22 22 26 +((( 23 23 The LHT65N allows users to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on. 28 +))) 24 24 30 +((( 25 25 LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*. 32 +))) 26 26 34 +((( 27 27 LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway. 36 +))) 28 28 38 +((( 29 29 LHT65N supports (% style="color:#4f81bd" %)**Datalog Feature**(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading. 40 +))) 30 30 42 +((( 31 31 *The actual battery life depends on how often to send data, please see the battery analyzer chapter. 44 +))) 32 32 33 33 34 34 == 1.2 Features == ... ... @@ -45,6 +45,7 @@ 45 45 * Tri-color LED to indicate working status 46 46 * Datalog feature 47 47 61 + 48 48 == 1.3 Specification == 49 49 50 50 ... ... @@ -69,23 +69,36 @@ 69 69 * ±2°C accuracy from -55°C to +125°C 70 70 * Operating Range: -55 °C ~~ 125 °C 71 71 86 + 72 72 = 2. Connect LHT65N to IoT Server = 73 73 74 74 == 2.1 How does LHT65N work? == 75 75 91 +((( 76 76 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 +))) 77 77 95 +((( 78 78 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 +))) 79 79 80 80 81 81 == 2.2 How to Activate LHT65N? == 82 82 102 +((( 83 83 The LHT65N has two working modes: 104 +))) 84 84 85 -* (% 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. 86 -* (% 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 +))) 87 87 113 +((( 88 88 The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes: 115 +))) 89 89 90 90 91 91 [[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]] ... ... @@ -241,6 +241,7 @@ 241 241 242 242 243 243 271 + 244 244 === 2.4.1 Decoder in TTN V3 === 245 245 246 246 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. ... ... @@ -273,6 +273,8 @@ 273 273 274 274 275 275 304 + 305 + 276 276 === 2.4.3 Built-in Temperature === 277 277 278 278 [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]] ... ... @@ -284,6 +284,9 @@ 284 284 * Temperature: (0xF5C6-65536)/100=-26.18℃ 285 285 286 286 317 + 318 + 319 + 287 287 === 2.4.4 Built-in Humidity === 288 288 289 289 [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]] ... ... @@ -291,6 +291,9 @@ 291 291 * Humidity: 0x025C/10=60.4% 292 292 293 293 327 + 328 + 329 + 294 294 === 2.4.5 Ext # === 295 295 296 296 Bytes for External Sensor: ... ... @@ -445,6 +445,8 @@ 445 445 446 446 447 447 484 + 485 + 448 448 ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ==== 449 449 450 450 In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can ... ... @@ -519,6 +519,10 @@ 519 519 1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range. 520 520 1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will store the sensor data, and it will send all messages after network recover. 521 521 560 + 561 + 562 + 563 + 522 522 === 2.6.2 Unix TimeStamp === 523 523 524 524 ... ... @@ -541,20 +541,37 @@ 541 541 542 542 === 2.6.3 Set Device Time === 543 543 586 +((( 544 544 There are two ways to set device's time: 588 +))) 545 545 590 +((( 546 546 **~1. Through LoRaWAN MAC Command (Default settings)** 592 +))) 547 547 594 +((( 548 548 User need to set SYNCMOD=1 to enable sync time via MAC command. 596 +))) 549 549 598 +((( 550 550 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 +))) 551 551 602 +((( 552 552 (% 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 +))) 553 553 606 +((( 607 + 608 +))) 554 554 610 +((( 555 555 **2. Manually Set Time** 612 +))) 556 556 614 +((( 557 557 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 +))) 558 558 559 559 560 560 ... ... @@ -721,9 +721,11 @@ 721 721 (% _mstvisible="2" %) 722 722 ((( 723 723 (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %) 783 +((( 724 724 Poll Message Flag: 1: This message is a poll message reply. 725 725 ))) 726 726 ))) 787 +))) 727 727 728 728 (% _mstvisible="1" %) 729 729 * (% _mstvisible="3" %) ... ... @@ -731,17 +731,21 @@ 731 731 (% _mstvisible="4" %) 732 732 ((( 733 733 (% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %) 795 +((( 734 734 Poll Message Flag is set to 1. 735 735 ))) 736 736 ))) 799 +))) 737 737 * (% _mstvisible="3" %) 738 738 ((( 739 739 (% _mstvisible="4" %) 740 740 ((( 741 741 (% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %) 805 +((( 742 742 Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands. 743 743 ))) 744 744 ))) 809 +))) 745 745 746 746 (% _mstvisible="1" %) 747 747 ((( ... ... @@ -748,12 +748,16 @@ 748 748 (% _mstvisible="2" %) 749 749 ((( 750 750 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %) 816 +((( 751 751 818 +))) 752 752 753 753 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %) 821 +((( 754 754 For example, in US915 band, the max payload for different DR is: 755 755 ))) 756 756 ))) 825 +))) 757 757 758 758 (% _mstvisible="1" %) 759 759 ((( ... ... @@ -760,9 +760,11 @@ 760 760 (% _mstvisible="2" %) 761 761 ((( 762 762 (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %) 832 +((( 763 763 a) DR0: max is 11 bytes so one entry of data 764 764 ))) 765 765 ))) 836 +))) 766 766 767 767 (% _mstvisible="1" %) 768 768 ((( ... ... @@ -769,9 +769,11 @@ 769 769 (% _mstvisible="2" %) 770 770 ((( 771 771 (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %) 843 +((( 772 772 b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes) 773 773 ))) 774 774 ))) 847 +))) 775 775 776 776 (% _mstvisible="1" %) 777 777 ((( ... ... @@ -778,9 +778,11 @@ 778 778 (% _mstvisible="2" %) 779 779 ((( 780 780 (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %) 854 +((( 781 781 c) DR2: total payload includes 11 entries of data 782 782 ))) 783 783 ))) 858 +))) 784 784 785 785 (% _mstvisible="1" %) 786 786 ((( ... ... @@ -787,9 +787,11 @@ 787 787 (% _mstvisible="2" %) 788 788 ((( 789 789 (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %) 865 +((( 790 790 d) DR3: total payload includes 22 entries of data. 791 791 ))) 792 792 ))) 869 +))) 793 793 794 794 (% _mstvisible="1" %) 795 795 ((( ... ... @@ -796,9 +796,11 @@ 796 796 (% _mstvisible="2" %) 797 797 ((( 798 798 (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %) 876 +((( 799 799 If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0 800 800 ))) 801 801 ))) 880 +))) 802 802 803 803 804 804 (% _mstvisible="1" style="text-align: left;" %) ... ... @@ -844,51 +844,83 @@ 844 844 [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]] 845 845 846 846 (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %) 926 +((( 847 847 7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E 928 +))) 848 848 849 849 (% _msthash="315237" _msttexthash="1385839" %) 931 +((( 850 850 Where the first 11 bytes is for the first entry: 933 +))) 851 851 852 852 (% _msthash="315238" _msttexthash="274846" %) 936 +((( 853 853 7FFF089801464160065F97 938 +))) 854 854 855 855 (% _msthash="315239" _msttexthash="617435" %) 941 +((( 856 856 Ext sensor data=0x7FFF/100=327.67 943 +))) 857 857 858 858 (% _msthash="315240" _msttexthash="270543" %) 946 +((( 859 859 Temp=0x0898/100=22.00 948 +))) 860 860 861 861 (% _msthash="315241" _msttexthash="211783" %) 951 +((( 862 862 Hum=0x0146/10=32.6 953 +))) 863 863 864 864 (% _msthash="315242" _msttexthash="1569776" %) 956 +((( 865 865 poll message flag & Ext=0x41,means reply data,Ext=1 958 +))) 866 866 867 867 (% _msthash="315243" _msttexthash="1120509" %) 961 +((( 868 868 Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03 963 +))) 869 869 870 870 871 871 872 872 == 2.7 Alarm Mode == 873 873 969 +((( 874 874 when the device is in alarm mode, it checks the built-in sensor temperature for a short time. if the temperature exceeds the preconfigured range, it sends an uplink immediately. 971 +))) 875 875 876 -(% style="color:red" %)note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled. 973 +((( 974 +(% style="color:red" %)Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled. 975 +))) 877 877 977 +((( 878 878 **AT COMMAND FOR ALARM MODE:** 979 +))) 879 879 880 880 (% _mstvisible="1" class="box infomessage" %) 881 881 ((( 983 +((( 882 882 **AT+WMOD=1**: Enable/disable alarm mode. (0: Disabled, 1: Enabled) 985 +))) 883 883 987 +((( 884 884 **AT+CITEMP=1**: The interval between checking the alarm temperature. (In minutes) 989 +))) 885 885 991 +((( 886 886 **AT+ARTEMP**: Gets or sets the alarm range of the internal temperature sensor 993 +))) 887 887 995 +((( 888 888 **AT+ARTEMP=? **: Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %) 997 +))) 889 889 999 +((( 890 890 **AT+ARTEMP=45,105**: Set the internal temperature sensor alarm range from 45 to 105. 891 891 ))) 1002 +))) 892 892 893 893 894 894 ... ... @@ -906,9 +906,6 @@ 906 906 * RED LED when external sensor is not connected 907 907 * For each success downlink, the PURPLE LED will blink once 908 908 909 - 910 - 911 - 912 912 == 2.9 installation == 913 913 914 914 (% _mstvisible="1" %) ... ... @@ -937,7 +937,6 @@ 937 937 938 938 Temperature sensor with 2 meters cable long 939 939 940 - 941 941 * Resolution: 0.0625 °C 942 942 * ±0.5°C accuracy from -10°C to +85°C 943 943 * ±2°C accuracy from -55°C to +125°C ... ... @@ -958,10 +958,9 @@ 958 958 959 959 These commands are to configure: 960 960 961 -* General system settings like: uplink interval. 1068 +1. General system settings like: uplink interval. 1069 +1. LoRaWAN protocol & radio-related commands. 962 962 963 -* LoRaWAN protocol & radio-related commands. 964 - 965 965 They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki: [[End Device Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]] 966 966 967 967 * (% style="color:#4f81bd" %)**Commands special design for LHT65N** ... ... @@ -973,10 +973,8 @@ 973 973 974 974 Feature: Change LoRaWAN End Node Transmit Interval. 975 975 976 - 977 977 (% style="color:#4f81bd" %)**AT Command: AT+TDC** 978 978 979 - 980 980 [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]] 981 981 982 982 ... ... @@ -990,7 +990,6 @@ 990 990 991 991 * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 992 992 993 - 994 994 == 4.2 Set External Sensor Mode == 995 995 996 996 Feature: Change External Sensor Mode. ... ... @@ -999,6 +999,7 @@ 999 999 1000 1000 [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]] 1001 1001 1105 + 1002 1002 (% style="color:#4f81bd" %)**Downlink Command: 0xA2** 1003 1003 1004 1004 Total bytes: 2 ~~ 5 bytes ... ... @@ -1009,34 +1009,35 @@ 1009 1009 1010 1010 * 0xA209: Same as AT+EXT=9 1011 1011 1012 -* 0xA20702003c ,Same as AT+SETCNT=601116 +* 0xA20702003c: Same as AT+SETCNT=60 1013 1013 1014 - 1015 - 1016 1016 == 4.3 Enable/Disable uplink Temperature probe ID == 1017 1017 1120 +((( 1018 1018 Feature: If PID is enabled, device will send the temperature probe ID on: 1122 +))) 1019 1019 1020 -* First Packet after OTAA Join 1021 -* Every 24 hours since the first packet. 1124 +* ((( 1125 +First Packet after OTAA Join 1126 +))) 1127 +* ((( 1128 +Every 24 hours since the first packet. 1129 +))) 1022 1022 1131 +((( 1023 1023 PID is default set to disable (0) 1133 +))) 1024 1024 1025 - 1026 1026 (% style="color:#4f81bd" %)**AT Command:** 1027 1027 1028 - 1029 1029 [[image:image-20220523150928-4.png||_mstalt="431821" _mstvisible="3"]] 1030 1030 1031 1031 1032 1032 (% style="color:#4f81bd" %)**Downlink Command:** 1033 1033 1142 +* **0xA800** **~-~->** AT+PID=0 1143 +* **0xA801** **~-~->** AT+PID=1 1034 1034 1035 -* 0xA800 **~-~->** AT+PID=0 1036 -* 0xA801 **~-~->** AT+PID=1 1037 - 1038 - 1039 - 1040 1040 == 4.4 Set Password == 1041 1041 1042 1042 Feature: Set device password, max 9 digits ... ... @@ -1043,11 +1043,9 @@ 1043 1043 1044 1044 (% style="color:#4f81bd" %)**AT Command: AT+PWORD** 1045 1045 1046 - 1047 1047 [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]] 1048 1048 1049 1049 1050 - 1051 1051 (% style="color:#4f81bd" %)**Downlink Command:** 1052 1052 1053 1053 No downlink command for this feature. ... ... @@ -1056,17 +1056,13 @@ 1056 1056 1057 1057 == 4.5 Quit AT Command == 1058 1058 1059 - 1060 1060 Feature: Quit AT Command mode, so user needs to input password again before use AT Commands. 1061 1061 1062 - 1063 1063 (% style="color:#4f81bd" %)**AT Command: AT+DISAT** 1064 1064 1065 - 1066 1066 [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]] 1067 1067 1068 1068 1069 - 1070 1070 (% style="color:#4f81bd" %)**Downlink Command:** 1071 1071 1072 1072 No downlink command for this feature. ... ... @@ -1075,40 +1075,31 @@ 1075 1075 1076 1076 == 4.6 Set to sleep mode == 1077 1077 1078 - 1079 1079 Feature: Set device to sleep mode 1080 1080 1081 -* AT+Sleep=0 : Normal working mode, device will sleep and use lower power when there is no LoRa message 1082 -* AT+Sleep=1 : Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping. 1179 +* **AT+Sleep=0** : Normal working mode, device will sleep and use lower power when there is no LoRa message 1180 +* **AT+Sleep=1** : Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping. 1083 1083 1084 1084 (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP** 1085 1085 1086 - 1087 1087 [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]] 1088 1088 1089 1089 1090 - 1091 1091 (% _msthash="315252" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:** 1092 1092 1093 - 1094 1094 * There is no downlink command to set to Sleep mode. 1095 1095 1096 1096 == 4.7 Set system time == 1097 1097 1098 - 1099 1099 Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]] 1100 1100 1101 - 1102 1102 (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:** 1103 1103 1104 - 1105 1105 [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]] 1106 1106 1107 1107 1108 - 1109 1109 (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:** 1110 1110 1111 - 1112 1112 0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352 1113 1113 1114 1114 ... ... @@ -1115,10 +1115,13 @@ 1115 1115 1116 1116 == 4.8 Set Time Sync Mode == 1117 1117 1118 - 1208 +((( 1119 1119 Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command. 1210 +))) 1120 1120 1212 +((( 1121 1121 SYNCMOD is set to 1 by default. If user want to set a different time from LoRaWAN server, user need to set this to 0. 1214 +))) 1122 1122 1123 1123 (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:** 1124 1124 ... ... @@ -1125,7 +1125,6 @@ 1125 1125 [[image:image-20220523151336-9.png||_mstalt="431717" _mstvisible="3"]] 1126 1126 1127 1127 1128 - 1129 1129 (% style="color:#4f81bd" %)**Downlink Command:** 1130 1130 1131 1131 0x28 01 ~/~/ Same As AT+SYNCMOD=1 ... ... @@ -1135,39 +1135,30 @@ 1135 1135 1136 1136 == 4.9 Set Time Sync Interval == 1137 1137 1138 - 1139 1139 Feature: Define System time sync interval. SYNCTDC default value: 10 days. 1140 1140 1141 - 1142 1142 (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:** 1143 1143 1144 - 1145 1145 [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]] 1146 1146 1147 1147 1148 - 1149 1149 (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:** 1150 1150 1239 +**0x29 0A** ~/~/ Same as AT+SYNCTDC=0x0A 1151 1151 1152 -0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A 1153 1153 1154 1154 1155 - 1156 1156 == 4.10 Print data entries base on page. == 1157 1157 1158 1158 Feature: Print the sector data from start page to stop page (max is 416 pages). 1159 1159 1160 - 1161 1161 (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA** 1162 1162 1163 - 1164 1164 [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]] 1165 1165 1166 1166 1167 - 1168 1168 (% _msthash="315259" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:** 1169 1169 1170 - 1171 1171 No downlink commands for feature 1172 1172 1173 1173 ... ... @@ -1176,10 +1176,8 @@ 1176 1176 1177 1177 Feature: Print the last few data entries 1178 1178 1179 - 1180 1180 (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA** 1181 1181 1182 - 1183 1183 [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]] 1184 1184 1185 1185 ... ... @@ -1203,9 +1203,6 @@ 1203 1203 1204 1204 * Example: 0xA301 ~/~/Same as AT+CLRDTA 1205 1205 1206 - 1207 - 1208 - 1209 1209 == 4.13 Auto Send None-ACK messages == 1210 1210 1211 1211 (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %) ... ... @@ -1224,8 +1224,6 @@ 1224 1224 1225 1225 * Example: 0x3401 ~/~/Same as AT+PNACKMD=1 1226 1226 1227 - 1228 - 1229 1229 = 5. Battery & How to replace = 1230 1230 1231 1231 == 5.1 Battery Type == ... ... @@ -1631,9 +1631,6 @@ 1631 1631 1632 1632 * (% style="color:red" %)**E3**(%%): External Temperature Probe 1633 1633 1634 - 1635 - 1636 - 1637 1637 = 8. Packing Info = 1638 1638 1639 1639 ... ... @@ -1640,23 +1640,17 @@ 1640 1640 **Package Includes**: 1641 1641 1642 1642 * LHT65N Temperature & Humidity Sensor x 1 1716 +* Optional external sensor 1643 1643 1644 -*Optional external sensor 1645 - 1646 - 1647 1647 **Dimension and weight**: 1648 1648 1649 1649 * Device Size: 10 x 10 x 3.5 cm 1650 - 1651 1651 * Device Weight: 120.5g 1652 1652 1653 - 1654 - 1655 1655 = 9. Reference material = 1656 1656 1657 1657 * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]] 1658 1658 1659 - 1660 1660 = 10. FCC Warning = 1661 1661 1662 1662 This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions: