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	3	+{{box cssClass="floatinginfobox" title="**Contents**"}}
3	3	{{toc/}}
	5	+{{/box}}
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	7	+{{toc/}}
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6	6
	10	+
7	7	= 1.  LA66 LoRaWAN Module =
8	8
9	9
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33	33	* Firmware upgradable via UART interface
34	34	* Ultra-long RF range
35	35
36		-
37		-
38	38	== 1.3  Specification ==
39	39
40	40	* CPU: 32-bit 48 MHz
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55	55	* LoRa Rx current: <9 mA
56	56	* I/O Voltage: 3.3v
57	57
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
105		-
106		-
107	107	== 2.3  Specification ==
108	108
109	109	* CPU: 32-bit 48 MHz
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124	124	* LoRa Rx current: <9 mA
125	125	* I/O Voltage: 3.3v
126	126
127		-
128		-
129	129	== 2.4  Pin Mapping & LED ==
130	130
131	131
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162	162
163	163	(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
164	164
	161	+
165	165	(% style="background-color:yellow" %)**GND  <-> GND
166		-TXD  <->  TXD
167		-RXD  <->  RXD**
	163	+TXD  <->  TXD
	164	+RXD  <->  RXD**
168	168
169	169
170	170	Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
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184	184	[[image:image-20220602102824-5.png||height="306" width="600"]]
185	185
186	186
187		-
188	188	==== 2.  Press the RST switch once ====
189	189
190	190	[[image:image-20220602104701-12.png||height="285" width="600"]]
191	191
192	192
193		-
194	194	==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
195	195
196	196
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365	365	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
366	366
367	367
368		-(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
	363	+(% style="color:blue" %)**~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
369	369
370	370	[[image:image-20220602171233-2.png||height="538" width="800"]]
371	371
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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.**(%%)
390		-(% style="color:blue" %)The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
	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
391	391
392	392	[[image:image-20220602154928-5.png||height="436" width="500"]]
393	393
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395	395
396	396	(% style="color:blue" %)**4. Send Uplink message**
397	397
398		-Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	393	+Format: **(% style="color:#4472C4" %)AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
399	399
400	400	example: AT+SENDB=01,02,8,05820802581ea0a5
401	401
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422	422	= 4.  Order Info =
423	423
424	424
425		-**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
	420	+Part Number: **LA66-XXX**, **LA66-LoRaWAN-Shield-XXX**  or  **LA66-USB-LoRaWAN-Adapter-XXX**
426	426
427	427
428		-(% style="color:blue" %)**XXX**(%%): The default frequency band
	423	+**XXX**: The default frequency band
429	429
430		-* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
431		-* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
432		-* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
433		-* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
434		-* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
435		-* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
436		-* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
437		-* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
438		-* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
	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
439	439
440	440
441	441