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162	162
163	163	LA66 USB LoRaWAN Adapter is the USB Adapter for LA66, it combines a USB TTL Chip and LA66 module which can easy to test the LoRaWAN feature by using PC or embedded device which has USB Interface.
164	164
	165	+Before use, please make sure that the computer has installed the CP2102 driver
	166	+
165	165	== Pin Mapping & LED ==
166	166
167	167	== Example Send & Get Messages via LoRaWAN in PC ==
168	168
	171	+Connect the LA66 LoRa Shield to the PC
	172	+
	173	+[[image:image-20220602171217-1.png||height="615" width="915"]]
	174	+
	175	+Open the serial port tool
	176	+
	177	+[[image:image-20220602161617-8.png]]
	178	+
	179	+[[image:image-20220602161718-9.png||height="529" width="927"]]
	180	+
	181	+Press the reset switch RST on the LA66 LoRa Shield.
	182	+
	183	+The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
	184	+
	185	+[[image:image-20220602161935-10.png]]
	186	+
	187	+send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	188	+
	189	+example: AT+SENDB=01,02,8,05820802581ea0a5
	190	+
	191	+[[image:image-20220602162157-11.png]]
	192	+
	193	+Check to see if TTN received the message
	194	+
	195	+[[image:image-20220602162331-12.png||height="547" width="1044"]]
	196	+
169	169	== Example Send & Get Messages via LoRaWAN in RPi ==
170	170
171		-=== Install USB Driver ===
	199	+Connect the LA66 LoRa Shield to the RPI
172	172
173		-Download Link:[[click here>>attach:CP210x_Universal_Windows_Driver.zip]]
	201	+[[image:image-20220602171233-2.png||height="592" width="881"]]
174	174
	203	+Log in to the RPI's terminal and connect to the serial port
	204	+
	205	+[[image:image-20220602153146-3.png]]
	206	+
	207	+Press the reset switch RST on the LA66 LoRa Shield.
	208	+The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
	209	+
	210	+[[image:image-20220602154928-5.png]]
	211	+
	212	+send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	213	+
	214	+example: AT+SENDB=01,02,8,05820802581ea0a5
	215	+
	216	+[[image:image-20220602160339-6.png]]
	217	+
	218	+Check to see if TTN received the message
	219	+
	220	+[[image:image-20220602160627-7.png||height="468" width="1013"]]
	221	+
175	175	=== Install Minicom ===
176	176
177	177	Enter the following command in the RPI terminal
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184	184
185	185	[[image:image-20220602143744-2.png]]
186	186
187		-=== Use AT Command to send an uplink message. ===
188		-
189	189	=== Send PC's CPU/RAM usage to TTN via script. ===
190	190
191	191	==== Take python as an example： ====
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192	192
193	193	===== Preconditions: =====
194	194
195		-1.LA66 LoRa Shield works fine
	240	+1.LA66 USB LoRaWAN Adapter works fine
196	196
197		-2.LA66 LoRa Shield is registered with TTN
	242	+2.LA66 USB LoRaWAN Adapter  is registered with TTN
198	198
199	199	===== Steps for usage =====
200	200
201		-1.After connecting the line, connect it to the PC, turn SW1 to FLASH, and press the RST switch. As shown in the figure below
	246	+1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
202	202
203		-[[image:image-20220602114148-1.png]]
204	204
205	205	2.Run the script and see the TTN
206	206

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