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123	123	[[image:image-20220522233118-7.png]]
124	124
125	125
126		-=== Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
	126	+=== Step2 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
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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		-
167	167	== LED Indicator ==
168	168
169	169	The LHT65N has a triple color LED which for easy shows different stage.

image-20220522235639-1.png

Author

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1		-XWiki.Edwin

Size

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1		-43.4 KB

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