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...	...	@@ -37,7 +37,6 @@
37	37	* Firmware upgradable via UART interface
38	38	* Ultra-long RF range
39	39
40		-
41	41	== 1.3  Specification ==
42	42
43	43	* CPU: 32-bit 48 MHz
...	...	@@ -58,7 +58,6 @@
58	58	* LoRa Rx current: <9 mA
59	59	* I/O Voltage: 3.3v
60	60
61		-
62	62	== 1.4  AT Command ==
63	63
64	64	AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
...	...	@@ -104,7 +104,6 @@
104	104	* Firmware upgradable via UART interface
105	105	* Ultra-long RF range
106	106
107		-
108	108	== 2.3  Specification ==
109	109
110	110	* CPU: 32-bit 48 MHz
...	...	@@ -125,7 +125,6 @@
125	125	* LoRa Rx current: <9 mA
126	126	* I/O Voltage: 3.3v
127	127
128		-
129	129	== 2.4  Pin Mapping & LED ==
130	130
131	131
...	...	@@ -267,7 +267,7 @@
267	267	* AT Command via UART-TTL interface
268	268	* Firmware upgradable via UART interface
269	269
270		-== Specification ==
	266	+== 3.3  Specification ==
271	271
272	272	* CPU: 32-bit 48 MHz
273	273	* Flash: 256KB
...	...	@@ -285,16 +285,22 @@
285	285	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
286	286	* LoRa Rx current: <9 mA
287	287
288		-== Pin Mapping & LED ==
	284	+== 3.4  Pin Mapping & LED ==
289	289
290		-== Example Send & Get Messages via LoRaWAN in PC ==
291	291
	287	+
	288	+== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
	289	+
	290	+
292	292	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
293	293
294		-~1. Connect the LA66 USB LoRaWAN adapter to PC
295	295
	294	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
	295	+
	296	+
296	296	[[image:image-20220602171217-1.png||height="538" width="800"]]
297	297
	299	+
298	298	Open the serial port tool
299	299
300	300	[[image:image-20220602161617-8.png]]
...	...	@@ -302,47 +302,52 @@
302	302	[[image:image-20220602161718-9.png||height="457" width="800"]]
303	303
304	304
305		-2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
306	306
	308	+(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
	309	+
307	307	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
308	308
	312	+
309	309	[[image:image-20220602161935-10.png||height="498" width="800"]]
310	310
311	311
312		-3. See Uplink Command
313	313
314		-Command format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	317	+(% style="color:blue" %)**3. See Uplink Command**
315	315
	319	+Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	320	+
316	316	example: AT+SENDB=01,02,8,05820802581ea0a5
317	317
318	318	[[image:image-20220602162157-11.png||height="497" width="800"]]
319	319
320	320
321		-4. Check to see if TTN received the message
322	322
	327	+(% style="color:blue" %)**4. Check to see if TTN received the message**
	328	+
323	323	[[image:image-20220602162331-12.png||height="420" width="800"]]
324	324
325	325
326	326
327		-== Example:Send PC's CPU/RAM usage to TTN via python ==
	333	+== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
328	328
329		-(% class="wikigeneratedid" id="HUsepythonasanexampleFF1A" %)
	335	+
330	330	**Use python as an example：**[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py]]
331	331
332		-(% class="wikigeneratedid" id="HPreconditions:" %)
333		-**Preconditions:**
334	334
335		-1.LA66 USB LoRaWAN Adapter works fine
	339	+(% style="color:red" %)**Preconditions:**
336	336
337		-2.LA66 USB LoRaWAN Adapter  is registered with TTN
	341	+(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
338	338
339		-(% class="wikigeneratedid" id="HStepsforusage" %)
340		-**Steps for usage**
	343	+(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
341	341
342		-1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
343	343
344		-2.Run the python script in PC and see the TTN
345	345
	347	+(% style="color:blue" %)**Steps for usage:**
	348	+
	349	+(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	350	+
	351	+(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
	352	+
346	346	[[image:image-20220602115852-3.png||height="450" width="1187"]]
347	347
348	348