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1	1
2	2
3		-{{box cssClass="floatinginfobox" title="**Contents**"}}
4		-{{toc/}}
5		-{{/box}}
	3	+**Table of Contents:**
6	6
7	7	{{toc/}}
8	8
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37	37	* Firmware upgradable via UART interface
38	38	* Ultra-long RF range
39	39
	38	+
	39	+
40	40	== 1.3  Specification ==
41	41
42	42	* CPU: 32-bit 48 MHz
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57	57	* LoRa Rx current: <9 mA
58	58	* I/O Voltage: 3.3v
59	59
	60	+
	61	+
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
	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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360	360	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
361	361
362	362
363		-(% style="color:blue" %)**~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
	379	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
364	364
365	365	[[image:image-20220602171233-2.png||height="538" width="800"]]
366	366
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382	382
383	383
384	384	(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
385		-The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
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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390	390
391	391	(% style="color:blue" %)**4. Send Uplink message**
392	392
393		-Format: **(% style="color:#4472C4" %)AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	411	+Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
394	394
395	395	example: AT+SENDB=01,02,8,05820802581ea0a5
396	396
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417	417	= 4.  Order Info =
418	418
419	419
420		-Part Number: **LA66-XXX**, **LA66-LoRaWAN-Shield-XXX**  or  **LA66-USB-LoRaWAN-Adapter-XXX**
	438	+**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
421	421
422	422
423		-**XXX**: The default frequency band
	441	+(% style="color:blue" %)**XXX**(%%): The default frequency band
424	424
425		-* **AS923**:  LoRaWAN AS923 band
426		-* **AU915**:  LoRaWAN AU915 band
427		-* **EU433**:  LoRaWAN EU433 band
428		-* **EU868**:  LoRaWAN EU868 band
429		-* **KR920**:  LoRaWAN KR920 band
430		-* **US915**:  LoRaWAN US915 band
431		-* **IN865**:  LoRaWAN IN865 band
432		-* **CN470**: LoRaWAN CN470 band
433		-* **PP**:  Peer to Peer LoRa Protocol
	443	+* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
	444	+* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
	445	+* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
	446	+* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
	447	+* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
	448	+* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
	449	+* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
	450	+* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
	451	+* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
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]]