Changes for page LHT65N -- Manual do sensor de temperatura e umidade LoRaWAN

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

From 201.1 to 201.2 From 210.3 to 210.4

From version 201.2

edited by Xiaoling
on 2022/09/27 16:35

Change comment: There is no comment for this version

To version 210.3

edited by Xiaoling
on 2022/10/26 15:43

Change comment: There is no comment for this version

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@@ -62,7 +62,6 @@
  * Datalog feature (Max 3328 records)
--
  == 1.3 Specification ==
@@ -88,7 +88,6 @@
  * Operating Range: -55 °C ~~ 125 °C
--
  = 2. Connect LHT65N to IoT Server =
@@ -200,10 +200,9 @@
++== 2.4 Uplink Payload   ( Fport~=2) ==
--== 2.4 Uplink Payload ==
--
  (((
  The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% _mstvisible="3" style="color:#4f81bd" %)**every 20 minutes**(%%) send one uplink by default.
  )))
@@ -212,68 +212,49 @@
  After each uplink, the (% _mstvisible="3" style="color:blue" %)**BLUE LED**(%%) will blink once.
  )))
--(% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:426px" %)
--(% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 97px;" %)(% _mstvisible="5" %)
++(%  border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:390px" %)
++|=(% style="width: 60px;" %)
  (((
--(% _mstvisible="6" %)
--(% _msthash="1817478" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
--)))|=(% _mstvisible="4" style="width: 39px;" %)(% _mstvisible="5" %)
++**Size(bytes)**
++)))|=(%  style="width: 30px;" %)
  (((
--(% _mstvisible="6" %)
--(% _msthash="1817479" _msttexthash="4550" _mstvisible="8" %)**2**
--)))|=(% _mstvisible="4" style="width: 100px;" %)(% _mstvisible="5" %)
++**2**
++)))|=(%  style="width: 100px;" %)
  (((
--(% _mstvisible="6" %)
--(% _msthash="1817480" _msttexthash="4550" _mstvisible="8" %)**2**
--)))|=(% _mstvisible="4" style="width: 77px;" %)(% _mstvisible="5" %)
++**2**
++)))|=(%  style="width: 100px;" %)
  (((
--(% _mstvisible="6" %)
--(% _msthash="1817481" _msttexthash="4550" _mstvisible="8" %)**2**
--)))|=(% _mstvisible="4" style="width: 47px;" %)(% _mstvisible="5" %)
++**2**
++)))|=(%  style="width: 50px;" %)
  (((
--(% _mstvisible="6" %)
--(% _msthash="1817482" _msttexthash="4459" _mstvisible="8" %)**1**
--)))|=(% _mstvisible="4" style="width: 51px;" %)(% _mstvisible="5" %)
++**1**
++)))|=(%  style="width: 50px;" %)
  (((
--(% _mstvisible="6" %)
--(% _msthash="1817483" _msttexthash="4732" _mstvisible="8" %)**4**
++**4**
  )))
--(% _mstvisible="3" %)|(% _mstvisible="4" style="width:97px" %)(% _mstvisible="5" %)
++|(% style="width:97px" %)
  (((
--(% _mstvisible="6" %)
--(% _msthash="1817484" _msttexthash="60203" _mstvisible="8" %)**Value**
--)))|(% _mstvisible="4" style="width:39px" %)(% _mstvisible="5" %)
++**Value**
++)))|(%  style="width:39px" %)
  (((
--(% _mstvisible="6" %)
--[[BAT>>||anchor="H2.4.2BAT-BatteryInfo" _msthash="1817485" _msttexthash="22594" _mstvisible="7"]]
--)))|(% _mstvisible="4" style="width:100px" %)(% _mstvisible="5" %)
++[[BAT>>||anchor="H2.4.2BAT-BatteryInfo" ]]
++)))|(%  style="width:100px" %)
  (((
--(% _mstvisible="6" %)
  (((
--(% _mstvisible="7" %)
--[[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224742" _msttexthash="405769" _mstvisible="8"]]
++[[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature"]]
  )))
--)))|(% _mstvisible="4" style="width:77px" %)(% _mstvisible="5" %)
++)))|(%  style="width:77px" %)
  (((
--(% _mstvisible="6" %)
  (((
--(% _mstvisible="7" %)
--[[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2224743" _msttexthash="105872" _mstvisible="8"]]
++[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity"]]
  )))
--(% _mstvisible="6" %)
++)))|(%  style="width:47px" %)
  (((
--(% _mstvisible="7" %)
--[[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224744" _msttexthash="117429" _mstvisible="8"]]
--)))
--)))|(% _mstvisible="4" style="width:47px" %)(% _mstvisible="5" %)
++[[Ext>>||anchor="H2.4.5Ext23" ]] #
++)))|(%  style="width:51px" %)
  (((
--(% _mstvisible="6" %)
--[[Ext>>||anchor="H2.4.5Ext23" _msthash="1817486" _msttexthash="32331" _mstvisible="7"]] #
--)))|(% _mstvisible="4" style="width:51px" %)(% _mstvisible="5" %)
--(((
--(% _mstvisible="6" %)
--[[Ext value>>||anchor="H2.4.6Extvalue" _msthash="1817487" _msttexthash="116545" _mstvisible="7"]]
++[[Ext value>>||anchor="H2.4.6Extvalue"]]
  )))
  * The First 6 bytes: has fix meanings for every LHT65N.
@@ -281,24 +281,18 @@
  * 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.)
--
--
  === 2.4.1 Decoder in TTN V3 ===
  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.
--Below is the position to put the decoder and LHT65N decoder can be download from here:
++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]]
--[[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0||_msthash="315253" _msttexthash="3509064" _mstvisible="2"]]
--
--
  [[image:image-20220522234118-10.png||_mstalt="451464" _mstvisible="3" height="353" width="729"]]
--
  === 2.4.2 BAT-Battery Info ===
@@ -316,8 +316,6 @@
  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
--
--
  === 2.4.3 Built-in Temperature ===
@@ -330,8 +330,6 @@
  * Temperature:  (0xF5C6-65536)/100=-26.18℃
--
--
  === 2.4.4 Built-in Humidity ===
@@ -340,8 +340,6 @@
  * Humidity:    0x025C/10=60.4%
--
--
  === 2.4.5 Ext # ===
@@ -386,14 +386,12 @@
  )))
--(% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
--(% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 96px;" %)(% _mstvisible="5" %)
++(% _mstvisible="1" border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:510px" %)
++|=(%  style="width: 50px;" %)
++(((**Size(bytes)**
++)))|=(% _mstvisible="4" style="width: 71px;" %)
  (((
  (% _mstvisible="6" %)
--(% _msthash="1817488" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
--)))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
--(((
--(% _mstvisible="6" %)
  (% _msthash="1817489" _msttexthash="4550" _mstvisible="8" %)**2**
  )))|=(% _mstvisible="4" style="width: 99px;" %)(% _mstvisible="5" %)
  (((
@@ -491,7 +491,7 @@
  * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
--(% border="1" cellspacing="8" style="background-color:#ffffcc; color:green; width:520px" %)
++(% border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:520px" %)
  |(% style="width:60px" %)**Bits**|(% style="width:90px" %)**7**|(% style="width:100px" %)**6**|(% style="width:90px" %)**5**|(% style="width:100px" %)**4**|(% style="width:60px" %)**[3:0]**
  |(% style="width:96px" %)**Status&Ext**|(% style="width:124px" %)None-ACK Flag|(% style="width:146px" %)Poll Message FLAG|(% style="width:109px" %)Sync time OK|(% style="width:143px" %)Unix Time Request|(% style="width:106px" %)Ext: 0b(1001)
@@ -500,8 +500,6 @@
  * (% 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)
--
--
  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
@@ -509,11 +509,11 @@
  be used to power the external ADC sensor; user can control the power on time for this
--sensor by setting:
++(% style="color:blue" %)**sensor by setting:**
--AT+EXT=6,timeout          (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)**Time to power this sensor, from 0 ~~ 65535ms**
++**AT+EXT=6,timeout**          (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)**Time to power this sensor, from 0 ~~ 65535ms**
--For example:
++**For example:**
  AT+EXT=6,1000 will power this sensor for 1000ms before sampling the ADC value.
@@ -557,7 +557,7 @@
  [[image:image-20220927095645-1.png||height="534" width="460"]]
--**Ext=2,Temperature Sensor(TMP117)：**
++(% style="color:blue" %)**Ext=2,Temperature Sensor(TMP117)：**
  [[image:image-20220906102307-7.png]]
@@ -568,7 +568,6 @@
--
  ==== 2.4.6.5 Ext~=4 Interrupt Mode （Since Firmware v1.3） ====
@@ -577,7 +577,7 @@
  (% style="color:blue" %)**Interrupt Mode can be used to connect to external interrupt sensors such as:**
--**Case 1: Door Sensor.** 3.3v Out for such sensor is just to detect Open/Close.
++(% style="color:#037691" %)**Case 1: Door Sensor.** (%%)3.3v Out for such sensor is just to detect Open/Close.
   In Open State, the power consumption is the same as if there is no probe
@@ -588,7 +588,7 @@
  Ext=4,Interrupt Sensor：
--(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:512px" %)
++(% border="1.5" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:512px" %)
  |(% style="width:117px" %)(((
  AT+EXT=4,1
  )))|(% style="width:371px" %)(((
@@ -632,6 +632,7 @@
  [[image:image-20220906101320-5.png||height="353" width="696"]]
++
  Ext=8, Counting Sensor ( 4 bytes)：
  (% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:381px" %)
@@ -667,52 +667,7 @@
  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)
--(% style="color:blue" %)**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
--
--(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
--
--(% style="color:#037691" %)**Parameter 1**(%%):  Alarm mode:
--
--0): Cancel
--
--1): Threshold alarm
--
--2): Fluctuation alarm
--
--
--(% style="color:#037691" %)** Parameter 2**(%%):  Sampling time. Unit: seconds, up to 255 seconds.
--
--(% 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.**
--
--
--(% style="color:#037691" %) **Parameter 3 and parameter 4:**
--
--1):  If Alarm Mode is set to 1: Parameter 3 and parameter 4 are valid, as before, they represent low temperature and high temperature.
--
--Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
--
--
--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.
--
--Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
--
--If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
--
--
--(% style="color:blue" %)** Downlink:**
--
--0xA5 00 ~-~- AT+WMOD=0.
--
--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 )
--
--0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
--
--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.
--
--
--
--
  == 2.5 Show data on Datacake ==
@@ -775,9 +775,16 @@
  There are two methods:
--1.  IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
--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.
++(% style="color:blue" %)**Method 1:** (%%)IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specified time range.
++
++(% style="color:blue" %)**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.
++
++(% style="color:red" %)**Note for method 2:**
++
++* a) LHT65N will do an 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 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.
++
  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
@@ -808,11 +808,11 @@
  (((
--There are two ways to set device's time:
++(% style="color:blue" %)**There are two ways to set device's time:**
  )))
  (((
--**~1. Through LoRaWAN MAC Command (Default settings)**
++**1.  Through LoRaWAN MAC Command (Default settings)**
  )))
  (((
@@ -1002,15 +1002,18 @@
  (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
  (% _mstvisible="1" %)
--[[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
--
--(% _mstvisible="1" %)
  (((
  (% _mstvisible="2" %)
  (((
  (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
  (((
--Poll Message Flag: 1: This message is a poll message reply.
++[[image:image-20221006192726-1.png||height="112" width="754"]]
++
++(% 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)
++
++(% class="mark" %)**Poll Message Flag**(%%): 1: This message is a poll message reply.
++
++
  )))
  )))
  )))
@@ -1059,7 +1059,7 @@
  (((
  (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
  (((
--a) DR0: max is 11 bytes so one entry of data
++**a) DR0:** max is 11 bytes so one entry of data
  )))
  )))
  )))
@@ -1070,7 +1070,7 @@
  (((
  (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
  (((
--b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
++**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
  )))
  )))
  )))
@@ -1081,7 +1081,7 @@
  (((
  (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
  (((
--c) DR2: total payload includes 11 entries of data
++**c) DR2:** total payload includes 11 entries of data
  )))
  )))
  )))
@@ -1092,7 +1092,7 @@
  (((
  (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
  (((
--d) DR3: total payload includes 22 entries of data.
++**d) DR3: **total payload includes 22 entries of data.
  )))
  )))
  )))
@@ -1103,7 +1103,7 @@
  (((
  (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
  (((
--If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0
++If devise doesn't have any data in the polling time. Device will uplink 11 bytes of 0
  )))
  )))
  )))
@@ -1204,17 +1204,42 @@
  (((
  (% style="color:red" %)**Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.**
++
++
++=== 2.7.1 ALARM MODE ( Since v1.3.1 firmware) ===
++
++
++(((
++(% class="box infomessage" %)
++(((
++**AT+WMOD=3,**:              Enable/disable alarm mode. (0: Disabled, 1: Enabled Temperature Alarm for onboard temperature sensor)
++
++**AT+CITEMP=1**:             The interval between checking the alarm temperature. (In minutes)
++
++**AT+ARTEMP**:                 Gets or sets the alarm range of the internal temperature sensor
++
++**AT+ARTEMP=？ **:          Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
++
++**AT+ARTEMP=45,105**:   Set the internal temperature sensor alarm range from 45 to 105.
++
++**AT+LEDALARM=1** :       Enable LED visual Alarm.
++)))
++)))
++
++
  )))
  (((
--**AT COMMAND FOR ALARM MODE:**
++=== 2.7.2 ALARM MODE ( Before v1.3.1 firmware) ===
++
++
  )))
  (% _mstvisible="1" class="box infomessage" %)
  (((
  (((
--**AT+WMOD=1**:              Enable/disable alarm mode. (0: Disabled, 1: Enabled)
++**AT+WMOD=1**:              Enable/disable alarm mode. (0: Disabled, 1: Enabled Temperature Alarm for onboard temperature sensor)
  )))
  (((
@@ -1265,8 +1265,6 @@
  * For each success downlink, the PURPLE LED will blink once
--
--
  == 2.9 installation ==
@@ -1325,8 +1325,6 @@
  * Working voltage 2.35v ~~ 5v
--
--
  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
@@ -1390,15 +1390,13 @@
  Format: Command Code (0x01) followed by 3 bytes time value.
--If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
++If the downlink payload=0100003C, it means set the END Node's Transmit Interval to 0x00003C=60(S), while type code is 01.
--* **Example 1**: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
++* **Example 1**: Downlink Payload: 0100001E         ~/~/ Set Transmit Interval (TDC) = 30 seconds
--* **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
++* **Example 2**: Downlink Payload: 0100003C         ~/~/ Set Transmit Interval (TDC) = 60 seconds
--
--
  == 4.2 Set External Sensor Mode ==
@@ -1423,8 +1423,6 @@
  * 0xA20702003c: Same as AT+SETCNT=60
--
--
  == 4.3 Enable/Disable uplink Temperature probe ID ==
@@ -1456,8 +1456,6 @@
  * **0xA801**     **~-~->** AT+PID=1
--
--
  == 4.4 Set Password ==
@@ -1510,8 +1510,6 @@
  * There is no downlink command to set to Sleep mode.
--
--
  == 4.7 Set system time ==
@@ -1525,7 +1525,7 @@
  (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
--0x306007806000        ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
++0x306007806000        ~/~/  Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
@@ -1567,7 +1567,7 @@
  (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
--**0x29 0A** ~/~/ Same as AT+SYNCTDC=0x0A
++**0x29 0A**       ~/~/ Same as AT+SYNCTDC=0x0A
@@ -1618,11 +1618,9 @@
  (% style="color:#4f81bd" %)**Downlink Command: 0xA3**
--* Example: 0xA301   ~/~/Same as AT+CLRDTA
++* Example: 0xA301        ~/~/  Same as AT+CLRDTA
--
--
  == 4.13 Auto Send None-ACK messages ==
@@ -1641,11 +1641,60 @@
  (% style="color:#4f81bd" %)**Downlink Command: 0x34**
--* Example: 0x3401   ~/~/Same as AT+PNACKMD=1
++* Example: 0x3401       ~/~/  Same as AT+PNACKMD=1
++== 4.14 Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm ==
++Feature: Set internal and external temperature sensor alarms.
++
++(% border="1" style="background-color:#ffffcc; color:green; width:450px" %)
++|(%%)(% _msthash="1231737" _msttexthash="251862" _mstvisible="6" %)**Command Example**|(%%)(% _msthash="1231738" _msttexthash="116025" _mstvisible="6" %)**Function**|(%%)(% _msthash="1231739" _msttexthash="116831" _mstvisible="6" %)**Response**
++|(%%)(% style="color:#037691" %)AT+WMOD=parameter1,parameter2,parameter3,parameter4|Set internal and external temperature sensor alarms|OK
++
++(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
++
++(% style="color:#037691" %)**Parameter 1**(%%):  Alarm mode:
++
++0): Cancel
++
++1): Threshold alarm
++
++2): Fluctuation alarm
++
++
++(% style="color:#037691" %)** Parameter 2**(%%):  Sampling time. Unit: seconds, up to 255 seconds.
++
++(% 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.**
++
++
++(% style="color:#037691" %) **Parameter 3 and parameter 4:**
++
++1):  If Alarm Mode is set to 1: Parameter 3 and parameter 4 are valid, as before, they represent low temperature and high temperature.
++
++Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
++
++
++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.
++
++Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
++
++If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
++
++
++(% style="color:#4f81bd" %)**Downlink Command: 0xA5**
++
++0xA5 00 ~-~- AT+WMOD=0.
++
++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 )
++
++0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
++
++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.
++
++
++
  = 5. Battery & How to replace =
@@ -1715,7 +1715,6 @@
  * (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND**
  * (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
  * (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
--* (% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
  (((
  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.
@@ -2116,8 +2116,6 @@
  * (% style="color:red" %)**E3**(%%): External Temperature Probe
--
--
  = 8. Packing Info =
@@ -2132,8 +2132,6 @@
  * Device Weight: 120.5g
--
--
  = 9. Reference material =
@@ -2140,8 +2140,6 @@
  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
--
--
  = 10. FCC Warning =

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Changes for page LHT65N -- Manual do sensor de temperatura e umidade LoRaWAN

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