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...	...	@@ -140,40 +140,39 @@
140	140	1. Arduino
141	141	1. USB TO TTL Adapter
142	142
143		-[[image:image-20220602100052-2.png||height="385" width="600"]]
	143	+[[image:image-20220602100052-2.png||height="341" width="531"]]
144	144
145	145
146	146	=== Connection ===
147	147
148		-[[image:image-20220602101311-3.png||height="276" width="600"]]
	148	+[[image:image-20220602101311-3.png||height="350" width="760"]]
149	149
150		-(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-> (% style="color:blue" %)**USB TTL**(%%)
151		-**GND  <-> GND
152		-TXD  <-> TXD
153		-RXD  <-> RXD**
154	154
155		-Put a jumper cap on JP6 of LA66 LoRaWAN Shield.
	151	+(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-----> (% style="color:blue" %)**USB TTL(%%)
	152	+GND  <-----> GND
	153	+TXD  <-----> TXD
	154	+RXD  <-----> RXD
156	156
157		-Connect USB TTL Adapter to PC after connecting the wires
	156	+JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
158	158
	158	+Connect to the PC after connecting the wires
159	159
160		-[[image:image-20220602102240-4.png||height="304" width="600"]]
161	161
162	162
	162	+[[image:image-20220602102240-4.png]]
	163	+
163	163	=== Upgrade steps ===
164	164
165		-==== Switch SW1 to put in ISP position ====
	166	+==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
166	166
167		-[[image:image-20220602102824-5.png||height="306" width="600"]]
	168	+[[image:image-20220602102824-5.png]]
168	168
	170	+==== Press the RST switch on the LA66 LoRaWAN Shield once ====
169	169
170		-==== Press the RST switch once ====
	172	+[[image:image-20220602104701-12.png]]
171	171
172		-[[image:image-20220602104701-12.png||height="285" width="600"]]
	174	+==== Open the upgrade application software ====
173	173
174		-
175		-==== Open the Upgrade tool (Tremo Programmer) in PC ====
176		-
177	177	Software download link:  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/>>https://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/]]
178	178
179	179	[[image:image-20220602103227-6.png]]
...	...	@@ -227,6 +227,7 @@
227	227	* RF Antenna x 1
228	228
229	229
	229	+
230	230	= LA66 USB LoRaWAN Adapter =
231	231
232	232	== Overview ==
...	...	@@ -247,6 +247,7 @@
247	247	* AT Command via UART-TTL interface
248	248	* Firmware upgradable via UART interface
249	249
	250	+
250	250	== Specification ==
251	251
252	252	* CPU: 32-bit 48 MHz
...	...	@@ -265,6 +265,7 @@
265	265	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
266	266	* LoRa Rx current: <9 mA
267	267
	269	+
268	268	== Pin Mapping & LED ==
269	269
270	270	== Example Send & Get Messages via LoRaWAN in PC ==