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...	...	@@ -140,56 +140,51 @@
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
	176	+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/]]
174	174
175		-==== Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
176		-
177		-**~1. 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		-
179	179	[[image:image-20220602103227-6.png]]
180	180
181	181	[[image:image-20220602103357-7.png]]
182	182
	182	+===== Select the COM port corresponding to USB TTL =====
183	183
184		-(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
185		-**2. Select the COM port corresponding to USB TTL**
186		-
187	187	[[image:image-20220602103844-8.png]]
188	188
	186	+===== Select the bin file to burn =====
189	189
190		-(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
191		-**3. Select the bin file to burn**
192		-
193	193	[[image:image-20220602104144-9.png]]
194	194
195	195	[[image:image-20220602104251-10.png]]
...	...	@@ -196,22 +196,16 @@
196	196
197	197	[[image:image-20220602104402-11.png]]
198	198
	194	+===== Click to start the download =====
199	199
200		-(% class="wikigeneratedid" id="HClicktostartthedownload" %)
201		-**4. Click to start the download**
202		-
203	203	[[image:image-20220602104923-13.png]]
204	204
	198	+===== The following figure appears to prove that the burning is in progress =====
205	205
206		-(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
207		-**5. Check update process**
208		-
209	209	[[image:image-20220602104948-14.png]]
210	210
	202	+===== The following picture appears to prove that the burning is successful =====
211	211
212		-(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
213		-**The following picture shows that the burning is successful**
214		-
215	215	[[image:image-20220602105251-15.png]]
216	216
217	217
...	...	@@ -236,6 +236,8 @@
236	236	* LA66 LoRaWAN Shield x 1
237	237	* RF Antenna x 1
238	238
	228	+
	229	+
239	239	= LA66 USB LoRaWAN Adapter =
240	240
241	241	== Overview ==
...	...	@@ -256,6 +256,7 @@
256	256	* AT Command via UART-TTL interface
257	257	* Firmware upgradable via UART interface
258	258
	250	+
259	259	== Specification ==
260	260
261	261	* CPU: 32-bit 48 MHz
...	...	@@ -274,6 +274,7 @@
274	274	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
275	275	* LoRa Rx current: <9 mA
276	276
	269	+
277	277	== Pin Mapping & LED ==
278	278
279	279	== Example Send & Get Messages via LoRaWAN in PC ==