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34	34	* Ultra-long RF range
35	35
36	36
	37	+
37	37	== 1.3  Specification ==
38	38
39	39	* CPU: 32-bit 48 MHz
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55	55	* I/O Voltage: 3.3v
56	56
57	57
	59	+
58	58	== 1.4  AT Command ==
59	59
60	60	AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
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100	100	* Firmware upgradable via UART interface
101	101	* Ultra-long RF range
102	102
103		-
104	104	== 2.3  Specification ==
105	105
106	106	* CPU: 32-bit 48 MHz
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121	121	* LoRa Rx current: <9 mA
122	122	* I/O Voltage: 3.3v
123	123
124		-
125	125	== 2.4  Pin Mapping & LED ==
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127	127
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158	158
159	159	(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
160	160
	161	+
161	161	(% style="background-color:yellow" %)**GND  <-> GND
162		-TXD  <->  TXD
163		-RXD  <->  RXD**
	163	+TXD  <->  TXD
	164	+RXD  <->  RXD**
164	164
165	165
166	166	Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
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180	180	[[image:image-20220602102824-5.png||height="306" width="600"]]
181	181
182	182
183		-
184	184	==== 2.  Press the RST switch once ====
185	185
186		-
187	187	[[image:image-20220602104701-12.png||height="285" width="600"]]
188	188
189	189
190		-
191	191	==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
192	192
193	193
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229	229	[[image:image-20220602104923-13.png]]
230	230
231	231
232		-
233	233	(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
234	234	(% style="color:blue" %)**5. Check update process**
235	235
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266	266	* AT Command via UART-TTL interface
267	267	* Firmware upgradable via UART interface
268	268
269		-
270	270	== 3.3  Specification ==
271	271
272	272	* CPU: 32-bit 48 MHz
...	...	@@ -285,7 +285,6 @@
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		-
289	289	== 3.4  Pin Mapping & LED ==
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291	291
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386	386
387	387
388	388
389		-(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
	384	+(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**(%%)
	385	+(% style="color:blue" %)The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
390	390
391		-The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
392		-
393		-
394	394	[[image:image-20220602154928-5.png||height="436" width="500"]]
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396	396
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442	442
443	443
	437	+
444	444	= 5.  Reference =
445	445
446	446	* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]