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118	118
119	119	=== Upgrade steps ===
120	120
121		-==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
122	122
123		-[[image:image-20220602102824-5.png]]
124		-
125		-==== Press the RST switch on the LA66 LoRaWAN Shield once ====
126		-
127		-[[image:image-20220602104701-12.png]]
128		-
129		-==== Open the upgrade application software ====
130		-
131		-放个烧录软件的下载链接
132		-
133		-[[image:image-20220602103227-6.png]]
134		-
135		-[[image:image-20220602103357-7.png]]
136		-
137		-===== Select the COM port corresponding to USB TTL =====
138		-
139		-[[image:image-20220602103844-8.png]]
140		-
141		-===== Select the bin file to burn =====
142		-
143		-[[image:image-20220602104144-9.png]]
144		-
145		-[[image:image-20220602104251-10.png]]
146		-
147		-[[image:image-20220602104402-11.png]]
148		-
149		-===== Click to start the download =====
150		-
151		-[[image:image-20220602104923-13.png]]
152		-
153		-===== The following figure appears to prove that the burning is in progress =====
154		-
155		-[[image:image-20220602104948-14.png]]
156		-
157		-===== The following picture appears to prove that the burning is successful =====
158		-
159		-[[image:image-20220602105251-15.png]]
160		-
161	161	= LA66 USB LoRaWAN Adapter =
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.