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1	1
2	2
	3	+**Table of Contents:**
	4	+
3	3	{{toc/}}
4	4
5	5
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102	102	* Firmware upgradable via UART interface
103	103	* Ultra-long RF range
104	104
	107	+
	108	+
105	105	== 2.3  Specification ==
106	106
107	107	* CPU: 32-bit 48 MHz
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122	122	* LoRa Rx current: <9 mA
123	123	* I/O Voltage: 3.3v
124	124
	129	+
	130	+
125	125	== 2.4  Pin Mapping & LED ==
126	126
127	127
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147	147	1. Arduino
148	148	1. USB TO TTL Adapter
149	149
	156	+
	157	+
	158	+
150	150	[[image:image-20220602100052-2.png||height="385" width="600"]]
151	151
152	152
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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**
	171	+TXD  <->  TXD
	172	+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
	192	+
184	184	==== 2.  Press the RST switch once ====
185	185
	195	+
186	186	[[image:image-20220602104701-12.png||height="285" width="600"]]
187	187
188	188
	199	+
189	189	==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
190	190
191	191
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227	227	[[image:image-20220602104923-13.png]]
228	228
229	229
	241	+
230	230	(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
231	231	(% style="color:blue" %)**5. Check update process**
232	232
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263	263	* AT Command via UART-TTL interface
264	264	* Firmware upgradable via UART interface
265	265
	278	+
	279	+
266	266	== 3.3  Specification ==
267	267
268	268	* CPU: 32-bit 48 MHz
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281	281	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
282	282	* LoRa Rx current: <9 mA
283	283
	298	+
	299	+
284	284	== 3.4  Pin Mapping & LED ==
285	285
286	286
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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
	400	+(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
386	386
	402	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	403	+
	404	+
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]]