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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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357	357
358	358
359	359
360		-== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
	357	+== Example Send & Get Messages via LoRaWAN in RPi ==
361	361
362		-
363	363	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
364	364
	361	+~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
365	365
366		-(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
367		-
368	368	[[image:image-20220602171233-2.png||height="538" width="800"]]
369	369
370	370
	366	+2. Install Minicom in RPi.
371	371
372		-(% style="color:blue" %)**2. Install Minicom in RPi.**
373		-
374	374	(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
375	375
376		- (% style="background-color:yellow" %)**apt update**
	370	+(% class="mark" %)apt update
377	377
378		- (% style="background-color:yellow" %)**apt install minicom**
	372	+(% class="mark" %)apt install minicom
379	379
380	380
381	381	Use minicom to connect to the RPI's terminal
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383	383	[[image:image-20220602153146-3.png||height="439" width="500"]]
384	384
385	385
	380	+3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
	381	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
386	386
387		-(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**(%%)
388		-(% style="color:blue" %)The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
389		-
390	390	[[image:image-20220602154928-5.png||height="436" width="500"]]
391	391
392	392
	386	+4. Send Uplink message
393	393
394		-(% style="color:blue" %)**4. Send Uplink message**
	388	+Format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
395	395
396		-Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
397		-
398	398	example: AT+SENDB=01,02,8,05820802581ea0a5
399	399
400		-
401	401	[[image:image-20220602160339-6.png||height="517" width="600"]]
402	402
403		-
404		-
405	405	Check to see if TTN received the message
406	406
407	407	[[image:image-20220602160627-7.png||height="369" width="800"]]
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408	408
409	409
410	410
411		-== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
	400	+== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
412	412
413	413
	403	+== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
414	414
415		-== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
416	416
417	417
	407	+= Order Info =
418	418
	409	+Part Number:
419	419
420		-= 4.  Order Info =
	411	+**LA66-XXX**, **LA66-LoRaWAN-Shield-XXX** or **LA66-USB-LoRaWAN-Adapter-XXX**
421	421
	413	+**XXX**: The default frequency band
422	422
423		-**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
	415	+* **AS923**: LoRaWAN AS923 band
	416	+* **AU915**: LoRaWAN AU915 band
	417	+* **EU433**: LoRaWAN EU433 band
	418	+* **EU868**: LoRaWAN EU868 band
	419	+* **KR920**: LoRaWAN KR920 band
	420	+* **US915**: LoRaWAN US915 band
	421	+* **IN865**: LoRaWAN IN865 band
	422	+* **CN470**: LoRaWAN CN470 band
	423	+* **PP**: Peer to Peer LoRa Protocol
424	424
	425	+= Reference =
425	425
426		-(% style="color:blue" %)**XXX**(%%): The default frequency band
427		-
428		-* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
429		-* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
430		-* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
431		-* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
432		-* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
433		-* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
434		-* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
435		-* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
436		-* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
437		-
438		-
439		-
440		-
441		-= 5.  Reference =
442		-
443	443	* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
444	444
445	445