Changes for page LHT52 - LoRaWAN Temperature & Humidity Sensor User Manual
Last modified by Mengting Qiu on 2024/04/30 14:27
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... ... @@ -123,7 +123,7 @@ 123 123 [[image:image-20220522233118-7.png]] 124 124 125 125 126 -=== Step2 Activate LHT65N by pressing the ACT button for more than 5 seconds. === 126 +=== Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. === 127 127 128 128 Use ACT button to activate LHT65N and it will auto-join to the TTN V3 network. After join success, it will start to upload sensor data to TTN V3 and user can see in the panel. 129 129 ... ... @@ -130,6 +130,40 @@ 130 130 [[image:image-20220522233300-8.png]] 131 131 132 132 133 +== Uplink Payload: == 134 + 135 +The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and(% class="mark" %) every 20 minutes(%%) send one uplink by default. 136 + 137 +After each uplink, the (% class="mark" %)BLUE LED(%%) will blink once. 138 + 139 + 140 +(% style="width:572px" %) 141 +|(% style="width:106px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:128px" %)**2**|(% style="width:103px" %)**2**|(% style="width:72px" %)**1**|(% style="width:89px" %)**4** 142 +|(% style="width:106px" %)**Value**|(% style="width:71px" %)[[BAT>>path:#Battery]]|(% style="width:128px" %)((( 143 +[[Built-In>>path:#SHT20_Temperature]] 144 + 145 +[[Temperature>>path:#SHT20_Temperature]] 146 +)))|(% style="width:103px" %)((( 147 +[[Built-in>>path:#SHT20_Humidity]] 148 + 149 +[[Humidity>>path:#SHT20_Humidity]] 150 +)))|(% style="width:72px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:89px" %)[[Ext value>>path:#Extension_sensor_value]] 151 + 152 +* The First 6 bytes: has fix meanings for every LHT65N. 153 +* The 7th byte (EXT #): defines the external sensor model. 154 +* The 8^^th^^ ~~ 11^^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.) 155 + 156 + 157 +=== Decoder in TTN V3 === 158 + 159 +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. 160 + 161 +Below is the position to put the decoder and LHT65N decoder can be download from here: 162 + 163 + 164 +[[image:image-20220522234118-10.png]] 165 + 166 + 133 133 == LED Indicator == 134 134 135 135 The LHT65N has a triple color LED which for easy shows different stage.
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