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...	...	@@ -186,41 +186,64 @@
186	186
187	187	== 2.4  LED ==
188	188
	189	+
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
	195	+
194	194	== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
195	195
196		-Show connection diagram：
197	197
	199	+**Show connection diagram：**
	200	+
	201	+
198	198	[[image:image-20220723170210-2.png||height="908" width="681"]]
199	199
200		-1.open Arduino IDE
201	201
	205	+
	206	+(% style="color:blue" %)**1.  open Arduino IDE**
	207	+
	208	+
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
	213	+(% 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
	216	+LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0>>https://www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0]]
213	213
	218	+
	219	+
	220	+(% 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**
	221	+
	222	+
	223	+
	224	+(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
	225	+
	226	+
214	214	[[image:image-20220723172235-7.png||height="480" width="1027"]]
215	215
	229	+
	230	+
216	216	== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
217	217
218		-1.Open project
219	219
	234	+(% style="color:blue" %)**1.  Open project**
	235	+
	236	+
	237	+Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0>>https://www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0]]
	238	+
	239	+
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
	243	+
	244	+(% 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**
	245	+
	246	+
224	224	[[image:image-20220723172938-9.png||height="652" width="1050"]]
225	225
226	226
...	...	@@ -228,10 +228,10 @@
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**
	254	+(% style="color:blue" %)**1.  Open project**
232	232
233	233
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]]
	257	+Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0>>https://www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0]]
235	235
236	236
237	237	[[image:image-20220723173341-10.png||height="581" width="1014"]]
...	...	@@ -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**
	264	+(% 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**
	271	+(% 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
...	...	@@ -412,8 +412,6 @@
412	412	* Firmware upgradable via UART interface
413	413	* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
414	414
415		-
416		-
417	417	== 3.3  Specification ==
418	418
419	419	* CPU: 32-bit 48 MHz
...	...	@@ -432,8 +432,6 @@
432	432	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
433	433	* LoRa Rx current: <9 mA
434	434
435		-
436		-
437	437	== 3.4  Pin Mapping & LED ==
438	438
439	439
...	...	@@ -637,16 +637,16 @@
637	637
638	638
639	639
640		-=== 3.8.2 Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Adapter and integrate it into Node-RED ===
	659	+=== 3.8.2  Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Adapter and integrate it into Node-RED ===
641	641
642	642
643		-**1.  Register LA66 USB LoRaWAN Module to TTNV3**
	662	+(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
644	644
645	645	[[image:image-20220723134549-8.png]]
646	646
647	647
648	648
649		-**2.  Open Node-RED,And import the JSON file to generate the flow**
	668	+(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
650	650
651	651	Sample JSON file please go to this link to download：放置JSON文件的链接
652	652
...	...	@@ -688,6 +688,7 @@
688	688	* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
689	689
690	690
	710	+
691	691	= 5.  Reference =
692	692
693	693