Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 165.3 >
edited by Xiaoling
on 2022/09/26 14:40
To version < 125.1 >
edited by Herong Lu
on 2022/07/23 17:16
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -LA66 LoRaWAN Shield User Manual
1 +LA66 LoRaWAN Module
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Lu
Content
... ... @@ -1,4 +1,4 @@
1 -
1 +0
2 2  
3 3  **Table of Contents:**
4 4  
... ... @@ -6,14 +6,114 @@
6 6  
7 7  
8 8  
9 += 1.  LA66 LoRaWAN Module =
9 9  
10 -= 1.  LA66 LoRaWAN Shield =
11 11  
12 +== 1.1  What is LA66 LoRaWAN Module ==
12 12  
13 -== 1.1  Overview ==
14 14  
15 +(((
16 +(((
17 +[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18 +)))
15 15  
16 16  (((
21 +
22 +)))
23 +
24 +(((
25 +(% style="color:blue" %)**Dragino LA66**(%%) is a small wireless LoRaWAN module that offers a very compelling mix of long-range, low power consumption, and secure data transmission. It is designed to facilitate developers to quickly deploy industrial-level LoRaWAN and IoT solutions. It helps users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to create and connect your things everywhere.
26 +)))
27 +)))
28 +
29 +(((
30 +(((
31 +(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
32 +)))
33 +)))
34 +
35 +(((
36 +(((
37 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
38 +)))
39 +
40 +(((
41 +Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
42 +)))
43 +)))
44 +
45 +(((
46 +(((
47 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
48 +)))
49 +)))
50 +
51 +
52 +
53 +== 1.2  Features ==
54 +
55 +* Support LoRaWAN v1.0.4 protocol
56 +* Support peer-to-peer protocol
57 +* TCXO crystal to ensure RF performance on low temperature
58 +* SMD Antenna pad and i-pex antenna connector
59 +* Available in different frequency LoRaWAN frequency bands.
60 +* World-wide unique OTAA keys.
61 +* AT Command via UART-TTL interface
62 +* Firmware upgradable via UART interface
63 +* Ultra-long RF range
64 +
65 +== 1.3  Specification ==
66 +
67 +* CPU: 32-bit 48 MHz
68 +* Flash: 256KB
69 +* RAM: 64KB
70 +* Input Power Range: 1.8v ~~ 3.7v
71 +* Power Consumption: < 4uA.
72 +* Frequency Range: 150 MHz ~~ 960 MHz
73 +* Maximum Power +22 dBm constant RF output
74 +* High sensitivity: -148 dBm
75 +* Temperature:
76 +** Storage: -55 ~~ +125℃
77 +** Operating: -40 ~~ +85℃
78 +* Humidity:
79 +** Storage: 5 ~~ 95% (Non-Condensing)
80 +** Operating: 10 ~~ 95% (Non-Condensing)
81 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
82 +* LoRa Rx current: <9 mA
83 +* I/O Voltage: 3.3v
84 +
85 +== 1.4  AT Command ==
86 +
87 +
88 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
89 +
90 +
91 +
92 +== 1.5  Dimension ==
93 +
94 +[[image:image-20220718094750-3.png]]
95 +
96 +
97 +
98 +== 1.6  Pin Mapping ==
99 +
100 +[[image:image-20220720111850-1.png]]
101 +
102 +
103 +
104 +== 1.7  Land Pattern ==
105 +
106 +[[image:image-20220517072821-2.png]]
107 +
108 +
109 +
110 += 2.  LA66 LoRaWAN Shield =
111 +
112 +
113 +== 2.1  Overview ==
114 +
115 +
116 +(((
17 17  [[image:image-20220715000826-2.png||height="145" width="220"]]
18 18  )))
19 19  
... ... @@ -51,11 +51,10 @@
51 51  
52 52  
53 53  
54 -== 1.2  Features ==
154 +== 2.2  Features ==
55 55  
56 -
57 57  * Arduino Shield base on LA66 LoRaWAN module
58 -* Support LoRaWAN v1.0.3 protocol
157 +* Support LoRaWAN v1.0.4 protocol
59 59  * Support peer-to-peer protocol
60 60  * TCXO crystal to ensure RF performance on low temperature
61 61  * SMA connector
... ... @@ -65,11 +65,8 @@
65 65  * Firmware upgradable via UART interface
66 66  * Ultra-long RF range
67 67  
167 +== 2.3  Specification ==
68 68  
69 -
70 -== 1.3  Specification ==
71 -
72 -
73 73  * CPU: 32-bit 48 MHz
74 74  * Flash: 256KB
75 75  * RAM: 64KB
... ... @@ -88,314 +88,436 @@
88 88  * LoRa Rx current: <9 mA
89 89  * I/O Voltage: 3.3v
90 90  
187 +== 2.4  LED ==
91 91  
189 +~1. The LED lights up red when there is an upstream data packet
190 +2. When the network is successfully connected, the green light will be on for 5 seconds
191 +3. Purple light on when receiving downlink data packets
92 92  
93 -== 1.4  Pin Mapping & LED ==
94 94  
194 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
95 95  
96 -[[image:image-20220817085048-1.png||height="533" width="734"]]
196 +Show connection diagram：
97 97  
198 +[[image:image-20220723170210-2.png||height="908" width="681"]]
98 98  
200 +1.open Arduino IDE
99 99  
100 -~1. The LED lights up red when there is an upstream data packet
101 -2. When the network is successfully connected, the green light will be on for 5 seconds
102 -3. Purple light on when receiving downlink data packets
202 +[[image:image-20220723170545-4.png]]
103 103  
204 +2.Open project
104 104  
105 -[[image:image-20220820112305-1.png||height="515" width="749"]]
206 +[[image:image-20220723170750-5.png]]
106 106  
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
107 107  
210 +[[image:image-20220723171228-6.png]]
108 108  
109 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
212 +4.After the upload is successful, open the serial port monitoring and send the AT command
110 110  
111 111  
112 -**Show connection diagram：**
215 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
113 113  
114 114  
115 -[[image:image-20220723170210-2.png||height="908" width="681"]]
116 116  
219 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
117 117  
118 118  
119 -(% style="color:blue" %)**1.  open Arduino IDE**
120 120  
223 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
121 121  
122 -[[image:image-20220723170545-4.png]]
123 123  
226 +=== 2.8.1  Items needed for update ===
124 124  
228 +1. LA66 LoRaWAN Shield
229 +1. Arduino
230 +1. USB TO TTL Adapter
125 125  
126 -(% style="color:blue" %)**2.  Open project**
232 +[[image:image-20220602100052-2.png||height="385" width="600"]]
127 127  
128 128  
129 -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]]
235 +=== 2.8.2  Connection ===
130 130  
131 131  
132 -[[image:image-20220726135239-1.png]]
238 +[[image:image-20220602101311-3.png||height="276" width="600"]]
133 133  
134 134  
241 +(((
242 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
243 +)))
135 135  
136 -(% 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**
245 +(((
246 +(% style="background-color:yellow" %)**GND  <-> GND
247 +TXD  <->  TXD
248 +RXD  <->  RXD**
249 +)))
137 137  
138 138  
139 -[[image:image-20220726135356-2.png]]
252 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
140 140  
254 +Connect USB TTL Adapter to PC after connecting the wires
141 141  
142 142  
143 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
257 +[[image:image-20220602102240-4.png||height="304" width="600"]]
144 144  
145 145  
146 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
260 +=== 2.8.3  Upgrade steps ===
147 147  
148 148  
263 +==== 1.  Switch SW1 to put in ISP position ====
149 149  
150 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
151 151  
266 +[[image:image-20220602102824-5.png||height="306" width="600"]]
152 152  
153 -(% style="color:blue" %)**1.  Open project**
154 154  
155 155  
156 -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]]
270 +==== 2.  Press the RST switch once ====
157 157  
158 158  
159 -[[image:image-20220723172502-8.png]]
273 +[[image:image-20220602104701-12.png||height="285" width="600"]]
160 160  
161 161  
162 162  
163 -(% style="color:blue" %)**2.  Same steps as 1.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
277 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
164 164  
165 165  
166 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
280 +(((
281 +(% style="color:blue" %)**1. Software download link:  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/>>https://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/]]**
282 +)))
167 167  
168 168  
285 +[[image:image-20220602103227-6.png]]
169 169  
170 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
171 171  
288 +[[image:image-20220602103357-7.png]]
172 172  
173 -(% style="color:blue" %)**1.  Open project**
174 174  
175 175  
176 -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]]
292 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
293 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
177 177  
178 178  
179 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
296 +[[image:image-20220602103844-8.png]]
180 180  
181 181  
182 182  
183 -(% 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**
300 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
301 +(% style="color:blue" %)**3. Select the bin file to burn**
184 184  
185 185  
186 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
304 +[[image:image-20220602104144-9.png]]
187 187  
188 188  
307 +[[image:image-20220602104251-10.png]]
189 189  
190 190  
310 +[[image:image-20220602104402-11.png]]
191 191  
192 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
193 193  
194 194  
195 -For the usage of Node-RED, please refer to: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Node-RED/>>http://wiki.dragino.com/xwiki/bin/view/Main/Node-RED/]]
314 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
315 +(% style="color:blue" %)**4. Click to start the download**
196 196  
317 +[[image:image-20220602104923-13.png]]
197 197  
198 -[[image:image-20220723175700-12.png||height="602" width="995"]]
199 199  
200 200  
321 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
322 +(% style="color:blue" %)**5. Check update process**
201 201  
202 -== 1.8  Example: How to join helium ==
203 203  
325 +[[image:image-20220602104948-14.png]]
204 204  
205 -(% style="color:blue" %)**1.  Create a new device.**
206 206  
207 207  
208 -[[image:image-20220907165500-1.png||height="464" width="940"]]
329 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
330 +(% style="color:blue" %)**The following picture shows that the burning is successful**
209 209  
332 +[[image:image-20220602105251-15.png]]
210 210  
211 211  
212 -(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
213 213  
336 += 3.  LA66 USB LoRaWAN Adapter =
214 214  
215 -[[image:image-20220907165837-2.png||height="375" width="809"]]
216 216  
339 +== 3.1  Overview ==
217 217  
218 218  
219 -(% style="color:blue" %)**3.  Use AT commands.**
342 +[[image:image-20220715001142-3.png||height="145" width="220"]]
220 220  
221 221  
222 -[[image:image-20220602100052-2.png||height="385" width="600"]]
345 +(((
346 +(% style="color:blue" %)**LA66 USB LoRaWAN Adapter**(%%) is designed to fast turn USB devices to support LoRaWAN wireless features. It combines a CP2101 USB TTL Chip and LA66 LoRaWAN module which can easy to add LoRaWAN wireless feature to PC / Mobile phone or an embedded device that has USB Interface.
347 +)))
223 223  
349 +(((
350 +(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
351 +)))
224 224  
353 +(((
354 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
355 +)))
225 225  
226 -(% style="color:#0000ff" %)**4.  Use command AT+CFG to get device configuration**
357 +(((
358 +Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
359 +)))
227 227  
361 +(((
362 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
363 +)))
228 228  
229 -[[image:image-20220907170308-3.png||height="556" width="617"]]
230 230  
231 231  
367 +== 3.2  Features ==
232 232  
233 -(% style="color:blue" %)**5.  Network successfully.**
369 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
370 +* Ultra-long RF range
371 +* Support LoRaWAN v1.0.4 protocol
372 +* Support peer-to-peer protocol
373 +* TCXO crystal to ensure RF performance on low temperature
374 +* Spring RF antenna
375 +* Available in different frequency LoRaWAN frequency bands.
376 +* World-wide unique OTAA keys.
377 +* AT Command via UART-TTL interface
378 +* Firmware upgradable via UART interface
379 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
234 234  
381 +== 3.3  Specification ==
235 235  
236 -[[image:image-20220907170436-4.png]]
383 +* CPU: 32-bit 48 MHz
384 +* Flash: 256KB
385 +* RAM: 64KB
386 +* Input Power Range: 5v
387 +* Frequency Range: 150 MHz ~~ 960 MHz
388 +* Maximum Power +22 dBm constant RF output
389 +* High sensitivity: -148 dBm
390 +* Temperature:
391 +** Storage: -55 ~~ +125℃
392 +** Operating: -40 ~~ +85℃
393 +* Humidity:
394 +** Storage: 5 ~~ 95% (Non-Condensing)
395 +** Operating: 10 ~~ 95% (Non-Condensing)
396 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
397 +* LoRa Rx current: <9 mA
237 237  
399 +== 3.4  Pin Mapping & LED ==
238 238  
239 239  
240 -(% style="color:blue" %)**6.  Send uplink using command**
241 241  
403 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
242 242  
243 -[[image:image-20220912084334-1.png]]
244 244  
406 +(((
407 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
408 +)))
245 245  
246 -[[image:image-20220912084412-3.png]]
247 247  
411 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
248 248  
249 249  
250 -[[image:image-20220907170744-6.png||height="242" width="798"]]
414 +[[image:image-20220723100027-1.png]]
251 251  
252 252  
417 +Open the serial port tool
253 253  
254 -== 1.9  Upgrade Firmware of LA66 LoRaWAN Shield ==
419 +[[image:image-20220602161617-8.png]]
255 255  
421 +[[image:image-20220602161718-9.png||height="457" width="800"]]
256 256  
257 -=== 1.9.1  Items needed for update ===
258 258  
259 259  
260 -1. LA66 LoRaWAN Shield
261 -1. Arduino
262 -1. USB TO TTL Adapter
425 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
263 263  
264 -[[image:image-20220602100052-2.png||height="385" width="600"]]
427 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
265 265  
266 266  
430 +[[image:image-20220602161935-10.png||height="498" width="800"]]
267 267  
268 -=== 1.9.2  Connection ===
269 269  
270 270  
271 -[[image:image-20220602101311-3.png||height="276" width="600"]]
434 +(% style="color:blue" %)**3. See Uplink Command**
272 272  
436 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
273 273  
274 -(((
275 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
276 -)))
438 +example: AT+SENDB=01,02,8,05820802581ea0a5
277 277  
278 -(((
279 -(% style="background-color:yellow" %)**GND  <-> GND
280 -TXD  <->  TXD
281 -RXD  <->  RXD**
282 -)))
440 +[[image:image-20220602162157-11.png||height="497" width="800"]]
283 283  
284 284  
285 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
286 286  
287 -Connect USB TTL Adapter to PC after connecting the wires
444 +(% style="color:blue" %)**4. Check to see if TTN received the message**
288 288  
446 +[[image:image-20220602162331-12.png||height="420" width="800"]]
289 289  
290 -[[image:image-20220602102240-4.png||height="304" width="600"]]
291 291  
292 292  
450 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
293 293  
294 -=== 1.9.3  Upgrade steps ===
295 295  
453 +**Use python as an example：**[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py]]
296 296  
455 +(**Raspberry Pi example: **[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py]])
297 297  
298 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
457 +(% style="color:red" %)**Preconditions:**
299 299  
459 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
300 300  
301 -[[image:image-20220602102824-5.png||height="306" width="600"]]
461 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
302 302  
303 303  
304 304  
465 +(% style="color:blue" %)**Steps for usage:**
305 305  
306 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
467 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
307 307  
469 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
308 308  
309 -[[image:image-20220817085447-1.png]]
471 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
310 310  
311 311  
312 312  
475 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
313 313  
314 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
315 315  
478 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
316 316  
317 317  
318 -(((
319 -(% style="color:blue" %)**1.  Software download link:  **(%%)**[[https:~~/~~/www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0>>https://www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0]]**
320 -)))
481 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
321 321  
483 +[[image:image-20220723100439-2.png]]
322 322  
323 -[[image:image-20220602103227-6.png]]
324 324  
325 325  
326 -[[image:image-20220602103357-7.png]]
487 +(% style="color:blue" %)**2. Install Minicom in RPi.**
327 327  
489 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
328 328  
491 + (% style="background-color:yellow" %)**apt update**
329 329  
330 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
331 -(% style="color:blue" %)**2.  Select the COM port corresponding to USB TTL**
493 + (% style="background-color:yellow" %)**apt install minicom**
332 332  
333 333  
334 -[[image:image-20220602103844-8.png]]
496 +Use minicom to connect to the RPI's terminal
335 335  
498 +[[image:image-20220602153146-3.png||height="439" width="500"]]
336 336  
337 337  
338 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
339 -(% style="color:blue" %)**3.  Select the bin file to burn**
340 340  
502 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
341 341  
342 -[[image:image-20220602104144-9.png]]
504 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
343 343  
344 344  
345 -[[image:image-20220602104251-10.png]]
507 +[[image:image-20220602154928-5.png||height="436" width="500"]]
346 346  
347 347  
348 -[[image:image-20220602104402-11.png]]
349 349  
511 +(% style="color:blue" %)**4. Send Uplink message**
350 350  
513 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
351 351  
352 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
353 -(% style="color:blue" %)**4.  Click to start the download**
515 +example: AT+SENDB=01,02,8,05820802581ea0a5
354 354  
355 355  
356 -[[image:image-20220602104923-13.png]]
518 +[[image:image-20220602160339-6.png||height="517" width="600"]]
357 357  
358 358  
359 359  
360 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
361 -(% style="color:blue" %)**5.  Check update process**
522 +Check to see if TTN received the message
362 362  
524 +[[image:image-20220602160627-7.png||height="369" width="800"]]
363 363  
364 -[[image:image-20220602104948-14.png]]
365 365  
366 366  
528 +== 3.8  Example: Use of LA66 USB LoRaWAN Module and DRAGINO-LA66-APP. ==
367 367  
368 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
369 -(% style="color:blue" %)**The following picture shows that the burning is successful**
530 +=== 3.8.1 DRAGINO-LA66-APP ===
370 370  
532 +[[image:image-20220723102027-3.png]]
371 371  
372 -[[image:image-20220602105251-15.png]]
534 +==== Overview： ====
373 373  
536 +DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Module. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Module.
374 374  
538 +View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
375 375  
376 -= 2.  FAQ =
540 +==== Conditions of Use： ====
377 377  
542 +Requires a type-c to USB adapter
378 378  
379 -== 2.1  How to Compile Source Code for LA66? ==
544 +[[image:image-20220723104754-4.png]]
380 380  
546 +==== Use of APP: ====
381 381  
382 -Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Module.Compile and Upload Code to ASR6601 Platform.WebHome]]
548 +Function and page introduction
383 383  
550 +[[image:image-20220723113448-7.png||height="1481" width="670"]]
384 384  
552 +1.Display LA66 USB LoRaWAN Module connection status
385 385  
386 -== 2.2  Where to find Peer-to-Peer firmware of LA66? ==
554 +2.Check and reconnect
387 387  
556 +3.Turn send timestamps on or off
388 388  
389 -Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:.Instruction for LA66 Peer to Peer firmware.WebHome]]
558 +4.Display LoRaWan connection status
390 390  
560 +5.Check LoRaWan connection status
391 391  
562 +6.The RSSI value of the node when the ACK is received
392 392  
393 -= 3.  Order Info =
564 +7.Node's Signal Strength Icon
394 394  
566 +8.Set the packet sending interval of the node in seconds
395 395  
396 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
568 +9.AT command input box
397 397  
570 +10.Send AT command button
398 398  
572 +11.Node log box
573 +
574 +12.clear log button
575 +
576 +13.exit button
577 +
578 +LA66 USB LoRaWAN Module not connected
579 +
580 +[[image:image-20220723110520-5.png||height="903" width="677"]]
581 +
582 +Connect LA66 USB LoRaWAN Module
583 +
584 +[[image:image-20220723110626-6.png||height="906" width="680"]]
585 +
586 +=== 3.8.2 Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Module and integrate it into Node-RED ===
587 +
588 +1.Register LA66 USB LoRaWAN Module to TTNV3
589 +
590 +[[image:image-20220723134549-8.png]]
591 +
592 +2.Open Node-RED,And import the JSON file to generate the flow
593 +
594 +Sample JSON file please go to this link to download：放置JSON文件的链接
595 +
596 +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/]]
597 +
598 +The following is the positioning effect map
599 +
600 +[[image:image-20220723144339-1.png]]
601 +
602 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
603 +
604 +The LA66 USB LoRaWAN Module is the same as the LA66 LoRaWAN Shield update method
605 +
606 +Just use the yellow jumper cap to short the BOOT corner and the RX corner, and then press the RESET button (without the jumper cap, you can directly short the BOOT corner and the RX corner with a wire to achieve the same effect)
607 +
608 +[[image:image-20220723150132-2.png]]
609 +
610 +
611 += 4.  Order Info =
612 +
613 +
614 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
615 +
616 +
399 399  (% style="color:blue" %)**XXX**(%%): The default frequency band
400 400  
401 401  * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
... ... @@ -408,12 +408,6 @@
408 408  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
409 409  * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
410 410  
629 += 5.  Reference =
411 411  
412 -
413 -
414 -= 4.  Reference =
415 -
416 -
417 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
418 -
419 -
631 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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