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...	...	@@ -186,64 +186,41 @@
186	186
187	187	== 2.4  LED ==
188	188
189		-
190	190	~1. The LED lights up red when there is an upstream data packet
191	191	2. When the network is successfully connected, the green light will be on for 5 seconds
192	192	3. Purple light on when receiving downlink data packets
193	193
194	194
195		-
196	196	== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
197	197
	196	+Show connection diagram：
198	198
199		-**Show connection diagram：**
200		-
201		-
202	202	[[image:image-20220723170210-2.png||height="908" width="681"]]
203	203
	200	+1.open Arduino IDE
204	204
205		-
206		-(% style="color:blue" %)**1.  open Arduino IDE**
207		-
208		-
209	209	[[image:image-20220723170545-4.png]]
210	210
	204	+2.Open project
211	211
	206	+[[image:image-20220723170750-5.png||height="533" width="930"]]
212	212
213		-(% style="color:blue" %)**2.  Open project**
	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
214	214
	210	+[[image:image-20220723171228-6.png]]
215	215
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]]
	212	+4.After the upload is successful, open the serial port monitoring and send the AT command
217	217
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		-
227	227	[[image:image-20220723172235-7.png||height="480" width="1027"]]
228	228
229		-
230		-
231	231	== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
232	232
	218	+1.Open project
233	233
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		-
240	240	[[image:image-20220723172502-8.png]]
241	241
	222	+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		-
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		-
247	247	[[image:image-20220723172938-9.png||height="652" width="1050"]]
248	248
249	249
...	...	@@ -251,10 +251,10 @@
251	251	== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
252	252
253	253
254		-(% style="color:blue" %)**1.  Open project**
	231	+**1.  Open project**
255	255
256	256
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]]
	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]]
258	258
259	259
260	260	[[image:image-20220723173341-10.png||height="581" width="1014"]]
...	...	@@ -261,7 +261,7 @@
261	261
262	262
263	263
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**
	241	+**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
265	265
266	266
267	267	[[image:image-20220723173950-11.png||height="665" width="1012"]]
...	...	@@ -268,7 +268,7 @@
268	268
269	269
270	270
271		-(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
	248	+**3.  Integration into Node-red via TTNV3**
272	272
273	273	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/]]
274	274
...	...	@@ -435,6 +435,8 @@
435	435	* Firmware upgradable via UART interface
436	436	* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
437	437
	415	+
	416	+
438	438	== 3.3  Specification ==
439	439
440	440	* CPU: 32-bit 48 MHz
...	...	@@ -453,6 +453,8 @@
453	453	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
454	454	* LoRa Rx current: <9 mA
455	455
	435	+
	436	+
456	456	== 3.4  Pin Mapping & LED ==
457	457
458	458
...	...	@@ -656,16 +656,16 @@
656	656
657	657
658	658
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 ===
	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 ===
660	660
661	661
662		-(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
	643	+**1.  Register LA66 USB LoRaWAN Module to TTNV3**
663	663
664	664	[[image:image-20220723134549-8.png]]
665	665
666	666
667	667
668		-(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
	649	+**2.  Open Node-RED,And import the JSON file to generate the flow**
669	669
670	670	Sample JSON file please go to this link to download：放置JSON文件的链接
671	671
...	...	@@ -707,7 +707,6 @@
707	707	* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
708	708
709	709
710		-
711	711	= 5.  Reference =
712	712
713	713