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34	34	* Ultra-long RF range
35	35
36	36
37		-
38	38	== 1.3  Specification ==
39	39
40	40	* CPU: 32-bit 48 MHz
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56	56	* I/O Voltage: 3.3v
57	57
58	58
59		-
60	60	== 1.4  AT Command ==
61	61
62	62	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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102	102	* Firmware upgradable via UART interface
103	103	* Ultra-long RF range
104	104
	103	+
105	105	== 2.3  Specification ==
106	106
107	107	* CPU: 32-bit 48 MHz
...	...	@@ -122,6 +122,7 @@
122	122	* LoRa Rx current: <9 mA
123	123	* I/O Voltage: 3.3v
124	124
	124	+
125	125	== 2.4  Pin Mapping & LED ==
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127	127
...	...	@@ -158,10 +158,9 @@
158	158
159	159	(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
160	160
161		-
162	162	(% style="background-color:yellow" %)**GND  <-> GND
163		-TXD  <->  TXD
164		-RXD  <->  RXD**
	162	+TXD  <->  TXD
	163	+RXD  <->  RXD**
165	165
166	166
167	167	Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
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181	181	[[image:image-20220602102824-5.png||height="306" width="600"]]
182	182
183	183
	183	+
184	184	==== 2.  Press the RST switch once ====
185	185
	186	+
186	186	[[image:image-20220602104701-12.png||height="285" width="600"]]
187	187
188	188
	190	+
189	189	==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
190	190
191	191
...	...	@@ -227,6 +227,7 @@
227	227	[[image:image-20220602104923-13.png]]
228	228
229	229
	232	+
230	230	(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
231	231	(% style="color:blue" %)**5. Check update process**
232	232
...	...	@@ -263,6 +263,7 @@
263	263	* AT Command via UART-TTL interface
264	264	* Firmware upgradable via UART interface
265	265
	269	+
266	266	== 3.3  Specification ==
267	267
268	268	* CPU: 32-bit 48 MHz
...	...	@@ -281,6 +281,7 @@
281	281	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
282	282	* LoRa Rx current: <9 mA
283	283
	288	+
284	284	== 3.4  Pin Mapping & LED ==
285	285
286	286
...	...	@@ -381,9 +381,11 @@
381	381
382	382
383	383
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
	389	+(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
386	386
	391	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	392	+
	393	+
387	387	[[image:image-20220602154928-5.png||height="436" width="500"]]
388	388
389	389
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434	434
435	435
436	436
437		-
438	438	= 5.  Reference =
439	439
440	440	* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]