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62	62	* Firmware upgradable via UART interface
63	63	* Ultra-long RF range
64	64
	65	+
	66	+
65	65	== 1.3  Specification ==
66	66
67	67	* CPU: 32-bit 48 MHz
...	...	@@ -82,6 +82,8 @@
82	82	* LoRa Rx current: <9 mA
83	83	* I/O Voltage: 3.3v
84	84
	87	+
	88	+
85	85	== 1.4  AT Command ==
86	86
87	87
...	...	@@ -164,6 +164,8 @@
164	164	* Firmware upgradable via UART interface
165	165	* Ultra-long RF range
166	166
	171	+
	172	+
167	167	== 2.3  Specification ==
168	168
169	169	* CPU: 32-bit 48 MHz
...	...	@@ -184,43 +184,68 @@
184	184	* LoRa Rx current: <9 mA
185	185	* I/O Voltage: 3.3v
186	186
	193	+
	194	+
187	187	== 2.4  LED ==
188	188
	197	+
189	189	~1. The LED lights up red when there is an upstream data packet
190	190	2. When the network is successfully connected, the green light will be on for 5 seconds
191	191	3. Purple light on when receiving downlink data packets
192	192
193	193
	203	+
194	194	== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
195	195
196		-Show connection diagram：
197	197
	207	+**Show connection diagram：**
	208	+
	209	+
198	198	[[image:image-20220723170210-2.png||height="908" width="681"]]
199	199
200		-1.open Arduino IDE
201	201
	213	+
	214	+(% style="color:blue" %)**1.  open Arduino IDE**
	215	+
	216	+
202	202	[[image:image-20220723170545-4.png]]
203	203
204		-2.Open project
205	205
206		-[[image:image-20220723170750-5.png||height="533" width="930"]]
207	207
208		-3.Click the button marked 1 in the figure to compile, and after the compilation is complete, click the button marked 2 in the figure to upload
	221	+(% style="color:blue" %)**2.  Open project**
209	209
210		-[[image:image-20220723171228-6.png]]
211	211
212		-4.After the upload is successful, open the serial port monitoring and send the AT command
	224	+LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
213	213
	226	+
	227	+
	228	+
	229	+(% style="color:blue" %)**3.  Click the button marked 1 in the figure to compile, and after the compilation is complete, click the button marked 2 in the figure to upload**
	230	+
	231	+
	232	+
	233	+(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
	234	+
	235	+
214	214	[[image:image-20220723172235-7.png||height="480" width="1027"]]
215	215
	238	+
	239	+
216	216	== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
217	217
218		-1.Open project
219	219
	243	+(% style="color:blue" %)**1.  Open project**
	244	+
	245	+
	246	+Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
	247	+
220	220	[[image:image-20220723172502-8.png]]
221	221
222		-2.Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
223	223
	251	+
	252	+(% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
	253	+
	254	+
224	224	[[image:image-20220723172938-9.png||height="652" width="1050"]]
225	225
226	226
...	...	@@ -228,7 +228,7 @@
228	228	== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
229	229
230	230
231		-**1.  Open project**
	262	+(% style="color:blue" %)**1.  Open project**
232	232
233	233
234	234	Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
...	...	@@ -238,7 +238,7 @@
238	238
239	239
240	240
241		-**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
	272	+(% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
242	242
243	243
244	244	[[image:image-20220723173950-11.png||height="665" width="1012"]]
...	...	@@ -245,7 +245,7 @@
245	245
246	246
247	247
248		-**3.  Integration into Node-red via TTNV3**
	279	+(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
249	249
250	250	For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
251	251
...	...	@@ -413,7 +413,6 @@
413	413	* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
414	414
415	415
416		-
417	417	== 3.3  Specification ==
418	418
419	419	* CPU: 32-bit 48 MHz
...	...	@@ -433,7 +433,6 @@
433	433	* LoRa Rx current: <9 mA
434	434
435	435
436		-
437	437	== 3.4  Pin Mapping & LED ==
438	438
439	439
...	...	@@ -687,7 +687,6 @@
687	687	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
688	688	* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
689	689
690		-
691	691	= 5.  Reference =
692	692
693	693