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...	...	@@ -140,51 +140,56 @@
140	140	1. Arduino
141	141	1. USB TO TTL Adapter
142	142
143		-[[image:image-20220602100052-2.png||height="341" width="531"]]
	143	+[[image:image-20220602100052-2.png||height="385" width="600"]]
144	144
145	145
146	146	=== Connection ===
147	147
148		-[[image:image-20220602101311-3.png||height="350" width="760"]]
	148	+[[image:image-20220602101311-3.png||height="276" width="600"]]
149	149
	150	+(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-> (% style="color:blue" %)**USB TTL**(%%)
	151	+**GND  <-> GND
	152	+TXD  <-> TXD
	153	+RXD  <-> RXD**
150	150
151		-(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-----> (% style="color:blue" %)**USB TTL(%%)
152		-GND  <-----> GND
153		-TXD  <-----> TXD
154		-RXD  <-----> RXD
	155	+Put a jumper cap on JP6 of LA66 LoRaWAN Shield.
155	155
156		-JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
	157	+Connect USB TTL Adapter to PC after connecting the wires
157	157
158		-Connect to the PC after connecting the wires
159	159
	160	+[[image:image-20220602102240-4.png||height="304" width="600"]]
160	160
161	161
162		-[[image:image-20220602102240-4.png]]
163		-
164	164	=== Upgrade steps ===
165	165
166		-==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
	165	+==== Switch SW1 to put in ISP position ====
167	167
168		-[[image:image-20220602102824-5.png]]
	167	+[[image:image-20220602102824-5.png||height="306" width="600"]]
169	169
170		-==== Press the RST switch on the LA66 LoRaWAN Shield once ====
171	171
172		-[[image:image-20220602104701-12.png]]
	170	+==== Press the RST switch once ====
173	173
174		-==== Open the upgrade application software ====
	172	+[[image:image-20220602104701-12.png||height="285" width="600"]]
175	175
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/]]
177	177
	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	+
178	178	[[image:image-20220602103227-6.png]]
179	179
180	180	[[image:image-20220602103357-7.png]]
181	181
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	+
184	184	[[image:image-20220602103844-8.png]]
185	185
186		-===== Select the bin file to burn =====
187	187
	190	+(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
	191	+**3. Select the bin file to burn**
	192	+
188	188	[[image:image-20220602104144-9.png]]
189	189
190	190	[[image:image-20220602104251-10.png]]
...	...	@@ -191,16 +191,22 @@
191	191
192	192	[[image:image-20220602104402-11.png]]
193	193
194		-===== Click to start the download =====
195	195
	200	+(% class="wikigeneratedid" id="HClicktostartthedownload" %)
	201	+**4. Click to start the download**
	202	+
196	196	[[image:image-20220602104923-13.png]]
197	197
198		-===== The following figure appears to prove that the burning is in progress =====
199	199
	206	+(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
	207	+**5. Check update process**
	208	+
200	200	[[image:image-20220602104948-14.png]]
201	201
202		-===== The following picture appears to prove that the burning is successful =====
203	203
	212	+(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
	213	+**The following picture shows that the burning is successful**
	214	+
204	204	[[image:image-20220602105251-15.png]]
205	205
206	206
...	...	@@ -225,8 +225,6 @@
225	225	* LA66 LoRaWAN Shield x 1
226	226	* RF Antenna x 1
227	227
228		-
229		-
230	230	= LA66 USB LoRaWAN Adapter =
231	231
232	232	== Overview ==
...	...	@@ -247,7 +247,6 @@
247	247	* AT Command via UART-TTL interface
248	248	* Firmware upgradable via UART interface
249	249
250		-
251	251	== Specification ==
252	252
253	253	* CPU: 32-bit 48 MHz
...	...	@@ -266,7 +266,6 @@
266	266	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
267	267	* LoRa Rx current: <9 mA
268	268
269		-
270	270	== Pin Mapping & LED ==
271	271
272	272	== Example Send & Get Messages via LoRaWAN in PC ==