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...	...	@@ -152,7 +152,7 @@
152	152	TXD  <-> TXD
153	153	RXD  <-> RXD**
154	154
155		-Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
	155	+Put a jumper cap on JP6 of LA66 LoRaWAN Shield.
156	156
157	157	Connect USB TTL Adapter to PC after connecting the wires
158	158
...	...	@@ -172,24 +172,20 @@
172	172	[[image:image-20220602104701-12.png||height="285" width="600"]]
173	173
174	174
175		-==== Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
	175	+==== Open the Upgrade tool (Tremo Programmer) in PC ====
176	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/]]**
	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]]
180	180
181	181	[[image:image-20220602103357-7.png]]
182	182
	183	+===== 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
	187	+===== 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
	195	+===== 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
	199	+===== 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
	203	+===== 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 +236,7 @@
236	236	* LA66 LoRaWAN Shield x 1
237	237	* RF Antenna x 1
238	238
	229	+
239	239	= LA66 USB LoRaWAN Adapter =
240	240
241	241	== Overview ==
...	...	@@ -278,46 +278,37 @@
278	278
279	279	== Example Send & Get Messages via LoRaWAN in PC ==
280	280
281		-Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	272	+Connect the LA66 LoRa Shield to the PC
282	282
283		-~1. Connect the LA66 USB LoRaWAN adapter to PC
	274	+[[image:image-20220602171217-1.png||height="615" width="915"]]
284	284
285		-[[image:image-20220602171217-1.png||height="538" width="800"]]
286		-
287	287	Open the serial port tool
288	288
289	289	[[image:image-20220602161617-8.png]]
290	290
291		-[[image:image-20220602161718-9.png||height="457" width="800"]]
	280	+[[image:image-20220602161718-9.png||height="529" width="927"]]
292	292
	282	+Press the reset switch RST on the LA66 LoRa Shield.
293	293
294		-2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
	284	+The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
295	295
296		-The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
	286	+[[image:image-20220602161935-10.png]]
297	297
298		-[[image:image-20220602161935-10.png||height="498" width="800"]]
	288	+send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
299	299
300		-
301		-3. See Uplink Command
302		-
303		-Command format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
304		-
305	305	example: AT+SENDB=01,02,8,05820802581ea0a5
306	306
307		-[[image:image-20220602162157-11.png||height="497" width="800"]]
	292	+[[image:image-20220602162157-11.png]]
308	308
	294	+Check to see if TTN received the message
309	309
310		-4. Check to see if TTN received the message
	296	+[[image:image-20220602162331-12.png||height="547" width="1044"]]
311	311
312		-[[image:image-20220602162331-12.png||height="420" width="800"]]
313		-
314		-
315		-
316	316	== Example Send & Get Messages via LoRaWAN in RPi ==
317	317
318		-Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
	300	+Connect the LA66 LoRa Shield to the RPI
319	319
320		-[[image:image-20220602171233-2.png||height="538" width="800"]]
	302	+[[image:image-20220602171233-2.png||height="592" width="881"]]
321	321
322	322	Log in to the RPI's terminal and connect to the serial port
323	323
...	...	@@ -397,7 +397,4 @@
397	397
398	398	* LA66 USB LoRaWAN Adapter x 1
399	399
400		-= Reference =
401		-
402		-* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
403		-
	382	+