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...	...	@@ -134,31 +134,32 @@
134	134
135	135	== Upgrade Firmware of LA66 LoRaWAN Shield ==
136	136
137		-=== Items needed for update ===
	137	+=== what needs to be used ===
138	138
139		-1. LA66 LoRaWAN Shield
140		-1. Arduino
141		-1. USB TO TTL Adapter
	139	+1.LA66 LoRaWAN Shield that needs to be upgraded
142	142
143		-[[image:image-20220602100052-2.png||height="341" width="531"]]
	141	+2.Arduino
144	144
	143	+3.USB TO TTL
145	145
146		-=== Connection ===
	145	+[[image:image-20220602100052-2.png]]
147	147
148		-[[image:image-20220602101311-3.png||height="350" width="760"]]
	147	+=== Wiring Schematic ===
149	149
	149	+[[image:image-20220602101311-3.png]]
150	150
151		-(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-----> (% style="color:blue" %)**USB TTL(%%)
152		-GND  <-----> GND
153		-TXD  <-----> TXD
154		-RXD  <-----> RXD
	151	+LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
155	155
156		-JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
	153	+GND  >>>>>>>>>>>>GND
157	157
158		-Connect to the PC after connecting the wires
	155	+TXD  >>>>>>>>>>>>TXD
159	159
	157	+RXD  >>>>>>>>>>>>RXD
160	160
	159	+JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
161	161
	161	+Connect to the PC after connecting the wires
	162	+
162	162	[[image:image-20220602102240-4.png]]
163	163
164	164	=== Upgrade steps ===
...	...	@@ -227,6 +227,7 @@
227	227
228	228
229	229
	231	+
230	230	= LA66 USB LoRaWAN Adapter =
231	231
232	232	== Overview ==
...	...	@@ -248,6 +248,7 @@
248	248	* Firmware upgradable via UART interface
249	249
250	250
	253	+
251	251	== Specification ==
252	252
253	253	* CPU: 32-bit 48 MHz
...	...	@@ -267,6 +267,7 @@
267	267	* LoRa Rx current: <9 mA
268	268
269	269
	273	+
270	270	== Pin Mapping & LED ==
271	271
272	272	== Example Send & Get Messages via LoRaWAN in PC ==