Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 118.1 >
edited by Herong Lu
on 2022/07/23 15:01
To version < 68.1 >
edited by Edwin Chen
on 2022/07/02 23:42
>
Change comment: There is no comment for this version

Summary

Details

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Author
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1 -XWiki.Lu
1 +XWiki.Edwin
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1 -0
2 -
3 -**Table of Contents:**
4 -
1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
5 5  {{toc/}}
3 +{{/box}}
6 6  
5 += LA66 LoRaWAN Module =
7 7  
7 +== What is LA66 LoRaWAN Module ==
8 8  
9 -= 1.  LA66 LoRaWAN Module =
10 -
11 -
12 -== 1.1  What is LA66 LoRaWAN Module ==
13 -
14 -
15 -(((
16 -(((
17 -[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18 -)))
19 -
20 -(((
21 -
22 -)))
23 -
24 -(((
25 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 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 -)))
11 +(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.4 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.
34 34  
35 -(((
36 -(((
37 37  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
38 -)))
39 39  
40 -(((
41 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 44  
45 -(((
46 -(((
47 47  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
48 -)))
49 -)))
50 50  
51 51  
20 +== Features ==
52 52  
53 -== 1.2  Features ==
54 -
55 55  * Support LoRaWAN v1.0.4 protocol
56 56  * Support peer-to-peer protocol
57 57  * TCXO crystal to ensure RF performance on low temperature
... ... @@ -58,114 +58,12 @@
58 58  * SMD Antenna pad and i-pex antenna connector
59 59  * Available in different frequency LoRaWAN frequency bands.
60 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 64  
65 -== 1.3  Specification ==
66 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 84  
85 -== 1.4  AT Command ==
86 86  
32 +== Specification ==
87 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 -(((
117 -[[image:image-20220715000826-2.png||height="145" width="220"]]
118 -)))
119 -
120 -(((
121 -
122 -)))
123 -
124 -(((
125 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%) is the Arduino shield base on LA66. Users can use LA66 LoRaWAN Shield to rapidly add LoRaWAN or peer-to-peer LoRa wireless function to  Arduino projects.
126 -)))
127 -
128 -(((
129 -(((
130 -(% 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.
131 -)))
132 -)))
133 -
134 -(((
135 -(((
136 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
137 -)))
138 -)))
139 -
140 -(((
141 -(((
142 -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.
143 -)))
144 -)))
145 -
146 -(((
147 -(((
148 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
149 -)))
150 -)))
151 -
152 -
153 -
154 -== 2.2  Features ==
155 -
156 -* Arduino Shield base on LA66 LoRaWAN module
157 -* Support LoRaWAN v1.0.4 protocol
158 -* Support peer-to-peer protocol
159 -* TCXO crystal to ensure RF performance on low temperature
160 -* SMA connector
161 -* Available in different frequency LoRaWAN frequency bands.
162 -* World-wide unique OTAA keys.
163 -* AT Command via UART-TTL interface
164 -* Firmware upgradable via UART interface
165 -* Ultra-long RF range
166 -
167 -== 2.3  Specification ==
168 -
169 169  * CPU: 32-bit 48 MHz
170 170  * Flash: 256KB
171 171  * RAM: 64KB
... ... @@ -184,424 +184,222 @@
184 184  * LoRa Rx current: <9 mA
185 185  * I/O Voltage: 3.3v
186 186  
187 -== 2.4  Pin Mapping & LED ==
52 +== AT Command ==
188 188  
54 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
189 189  
190 190  
191 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
57 +== Dimension ==
192 192  
59 +[[image:image-20220517072526-1.png]]
193 193  
194 194  
195 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
62 +== Pin Mapping ==
196 196  
64 +[[image:image-20220523101537-1.png]]
197 197  
66 +== Land Pattern ==
198 198  
199 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
68 +[[image:image-20220517072821-2.png]]
200 200  
201 201  
71 +== Part Number ==
202 202  
203 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
73 +Part Number: **LA66-XXX**
204 204  
75 +**XX**: The default frequency band
205 205  
206 -=== 2.8.1  Items needed for update ===
77 +* **AS923**: LoRaWAN AS923 band
78 +* **AU915**: LoRaWAN AU915 band
79 +* **EU433**: LoRaWAN EU433 band
80 +* **EU868**: LoRaWAN EU868 band
81 +* **KR920**: LoRaWAN KR920 band
82 +* **US915**: LoRaWAN US915 band
83 +* **IN865**: LoRaWAN IN865 band
84 +* **CN470**: LoRaWAN CN470 band
85 +* **PP**: Peer to Peer LoRa Protocol
207 207  
208 -1. LA66 LoRaWAN Shield
209 -1. Arduino
210 -1. USB TO TTL Adapter
211 211  
212 -[[image:image-20220602100052-2.png||height="385" width="600"]]
88 += LA66 LoRaWAN Shield =
213 213  
90 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
214 214  
215 -=== 2.8.2  Connection ===
92 +== Pin Mapping & LED ==
216 216  
94 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
217 217  
218 -[[image:image-20220602101311-3.png||height="276" width="600"]]
96 +== Example: Join TTN network and send an uplink message, get downlink message. ==
219 219  
98 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
220 220  
221 -(((
222 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
223 -)))
100 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
224 224  
225 -(((
226 -(% style="background-color:yellow" %)**GND  <-> GND
227 -TXD  <->  TXD
228 -RXD  <->  RXD**
229 -)))
102 +=== what needs to be used ===
230 230  
104 +1.LA66 LoRaWAN Shield that needs to be upgraded
231 231  
232 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
106 +2.Arduino
233 233  
234 -Connect USB TTL Adapter to PC after connecting the wires
108 +3.USB TO TTL
235 235  
110 +[[image:image-20220602100052-2.png]]
236 236  
237 -[[image:image-20220602102240-4.png||height="304" width="600"]]
112 +=== Wiring Schematic ===
238 238  
114 +[[image:image-20220602101311-3.png]]
239 239  
240 -=== 2.8.3  Upgrade steps ===
116 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
241 241  
118 +GND  >>>>>>>>>>>>GND
242 242  
243 -==== 1.  Switch SW1 to put in ISP position ====
120 +TXD  >>>>>>>>>>>>TXD
244 244  
122 +RXD  >>>>>>>>>>>>RXD
245 245  
246 -[[image:image-20220602102824-5.png||height="306" width="600"]]
124 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
247 247  
126 +Connect to the PC after connecting the wires
248 248  
128 +[[image:image-20220602102240-4.png]]
249 249  
250 -==== 2.  Press the RST switch once ====
130 +=== Upgrade steps ===
251 251  
132 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
252 252  
253 -[[image:image-20220602104701-12.png||height="285" width="600"]]
134 +[[image:image-20220602102824-5.png]]
254 254  
136 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
255 255  
138 +[[image:image-20220602104701-12.png]]
256 256  
257 -==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
140 +==== Open the upgrade application software ====
258 258  
142 +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/]]
259 259  
260 -(((
261 -(% 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/]]**
262 -)))
263 -
264 -
265 265  [[image:image-20220602103227-6.png]]
266 266  
267 -
268 268  [[image:image-20220602103357-7.png]]
269 269  
148 +===== Select the COM port corresponding to USB TTL =====
270 270  
271 -
272 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
273 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
274 -
275 -
276 276  [[image:image-20220602103844-8.png]]
277 277  
152 +===== Select the bin file to burn =====
278 278  
279 -
280 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
281 -(% style="color:blue" %)**3. Select the bin file to burn**
282 -
283 -
284 284  [[image:image-20220602104144-9.png]]
285 285  
286 -
287 287  [[image:image-20220602104251-10.png]]
288 288  
289 -
290 290  [[image:image-20220602104402-11.png]]
291 291  
160 +===== Click to start the download =====
292 292  
293 -
294 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
295 -(% style="color:blue" %)**4. Click to start the download**
296 -
297 297  [[image:image-20220602104923-13.png]]
298 298  
164 +===== The following figure appears to prove that the burning is in progress =====
299 299  
300 -
301 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
302 -(% style="color:blue" %)**5. Check update process**
303 -
304 -
305 305  [[image:image-20220602104948-14.png]]
306 306  
168 +===== The following picture appears to prove that the burning is successful =====
307 307  
308 -
309 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
310 -(% style="color:blue" %)**The following picture shows that the burning is successful**
311 -
312 312  [[image:image-20220602105251-15.png]]
313 313  
172 += LA66 USB LoRaWAN Adapter =
314 314  
174 +LA66 USB LoRaWAN Adapter is the USB Adapter for LA66, it combines a USB TTL Chip and LA66 module which can easy to test the LoRaWAN feature by using PC or embedded device which has USB Interface.
315 315  
316 -= 3.  LA66 USB LoRaWAN Adapter =
176 +Before use, please make sure that the computer has installed the CP2102 driver
317 317  
178 +== Pin Mapping & LED ==
318 318  
319 -== 3.1  Overview ==
180 +== Example Send & Get Messages via LoRaWAN in PC ==
320 320  
182 +Connect the LA66 LoRa Shield to the PC
321 321  
322 -[[image:image-20220715001142-3.png||height="145" width="220"]]
184 +[[image:image-20220602171217-1.png||height="615" width="915"]]
323 323  
324 -
325 -(((
326 -(% 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.
327 -)))
328 -
329 -(((
330 -(% 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.
331 -)))
332 -
333 -(((
334 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
335 -)))
336 -
337 -(((
338 -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.
339 -)))
340 -
341 -(((
342 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
343 -)))
344 -
345 -
346 -
347 -== 3.2  Features ==
348 -
349 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
350 -* Ultra-long RF range
351 -* Support LoRaWAN v1.0.4 protocol
352 -* Support peer-to-peer protocol
353 -* TCXO crystal to ensure RF performance on low temperature
354 -* Spring RF antenna
355 -* Available in different frequency LoRaWAN frequency bands.
356 -* World-wide unique OTAA keys.
357 -* AT Command via UART-TTL interface
358 -* Firmware upgradable via UART interface
359 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
360 -
361 -== 3.3  Specification ==
362 -
363 -* CPU: 32-bit 48 MHz
364 -* Flash: 256KB
365 -* RAM: 64KB
366 -* Input Power Range: 5v
367 -* Frequency Range: 150 MHz ~~ 960 MHz
368 -* Maximum Power +22 dBm constant RF output
369 -* High sensitivity: -148 dBm
370 -* Temperature:
371 -** Storage: -55 ~~ +125℃
372 -** Operating: -40 ~~ +85℃
373 -* Humidity:
374 -** Storage: 5 ~~ 95% (Non-Condensing)
375 -** Operating: 10 ~~ 95% (Non-Condensing)
376 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
377 -* LoRa Rx current: <9 mA
378 -
379 -== 3.4  Pin Mapping & LED ==
380 -
381 -
382 -
383 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
384 -
385 -
386 -(((
387 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
388 -)))
389 -
390 -
391 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
392 -
393 -
394 -[[image:image-20220723100027-1.png]]
395 -
396 -
397 397  Open the serial port tool
398 398  
399 399  [[image:image-20220602161617-8.png]]
400 400  
401 -[[image:image-20220602161718-9.png||height="457" width="800"]]
190 +[[image:image-20220602161718-9.png||height="529" width="927"]]
402 402  
192 +Press the reset switch RST on the LA66 LoRa Shield.
403 403  
194 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
404 404  
405 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
196 +[[image:image-20220602161935-10.png]]
406 406  
407 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
198 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
408 408  
409 -
410 -[[image:image-20220602161935-10.png||height="498" width="800"]]
411 -
412 -
413 -
414 -(% style="color:blue" %)**3. See Uplink Command**
415 -
416 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
417 -
418 418  example: AT+SENDB=01,02,8,05820802581ea0a5
419 419  
420 -[[image:image-20220602162157-11.png||height="497" width="800"]]
202 +[[image:image-20220602162157-11.png]]
421 421  
204 +Check to see if TTN received the message
422 422  
206 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
423 423  
424 -(% style="color:blue" %)**4. Check to see if TTN received the message**
208 +== Example Send & Get Messages via LoRaWAN in RPi ==
425 425  
426 -[[image:image-20220602162331-12.png||height="420" width="800"]]
210 +Connect the LA66 LoRa Shield to the RPI
427 427  
212 +[[image:image-20220602171233-2.png||height="592" width="881"]]
428 428  
214 +Log in to the RPI's terminal and connect to the serial port
429 429  
430 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
216 +[[image:image-20220602153146-3.png]]
431 431  
218 +Press the reset switch RST on the LA66 LoRa Shield.
219 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
432 432  
433 -**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]]
221 +[[image:image-20220602154928-5.png]]
434 434  
435 -(**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]])
223 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
436 436  
437 -(% style="color:red" %)**Preconditions:**
438 -
439 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
440 -
441 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
442 -
443 -
444 -
445 -(% style="color:blue" %)**Steps for usage:**
446 -
447 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
448 -
449 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
450 -
451 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
452 -
453 -
454 -
455 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
456 -
457 -
458 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
459 -
460 -
461 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
462 -
463 -[[image:image-20220723100439-2.png]]
464 -
465 -
466 -
467 -(% style="color:blue" %)**2. Install Minicom in RPi.**
468 -
469 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
470 -
471 - (% style="background-color:yellow" %)**apt update**
472 -
473 - (% style="background-color:yellow" %)**apt install minicom**
474 -
475 -
476 -Use minicom to connect to the RPI's terminal
477 -
478 -[[image:image-20220602153146-3.png||height="439" width="500"]]
479 -
480 -
481 -
482 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
483 -
484 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
485 -
486 -
487 -[[image:image-20220602154928-5.png||height="436" width="500"]]
488 -
489 -
490 -
491 -(% style="color:blue" %)**4. Send Uplink message**
492 -
493 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
494 -
495 495  example: AT+SENDB=01,02,8,05820802581ea0a5
496 496  
227 +[[image:image-20220602160339-6.png]]
497 497  
498 -[[image:image-20220602160339-6.png||height="517" width="600"]]
499 -
500 -
501 -
502 502  Check to see if TTN received the message
503 503  
504 -[[image:image-20220602160627-7.png||height="369" width="800"]]
231 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
505 505  
233 +=== Install Minicom ===
506 506  
235 +Enter the following command in the RPI terminal
507 507  
508 -== 3.8  Example: Use of LA66 USB LoRaWAN Module and DRAGINO-LA66-APP. ==
237 +apt update
509 509  
510 -=== 3.8.1 DRAGINO-LA66-APP ===
239 +[[image:image-20220602143155-1.png]]
511 511  
512 -[[image:image-20220723102027-3.png]]
241 +apt install minicom
513 513  
514 -==== Overview： ====
243 +[[image:image-20220602143744-2.png]]
515 515  
516 -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.
245 +=== Send PC's CPU/RAM usage to TTN via script. ===
517 517  
518 -View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
247 +==== Take python as an example： ====
519 519  
520 -==== Conditions of Use： ====
249 +===== Preconditions: =====
521 521  
522 -Requires a type-c to USB adapter
251 +1.LA66 USB LoRaWAN Adapter works fine
523 523  
524 -[[image:image-20220723104754-4.png]]
253 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
525 525  
526 -==== Use of APP: ====
255 +===== Steps for usage =====
527 527  
528 -Function and page introduction
257 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
529 529  
530 -[[image:image-20220723113448-7.png||height="1481" width="670"]]
259 +2.Run the script and see the TTN
531 531  
532 -1.Display LA66 USB LoRaWAN Module connection status
261 +[[image:image-20220602115852-3.png]]
533 533  
534 -2.Check and reconnect
535 535  
536 -3.Turn send timestamps on or off
537 537  
538 -4.Display LoRaWan connection status
265 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
539 539  
540 -5.Check LoRaWan connection status
541 541  
542 -6.The RSSI value of the node when the ACK is received
268 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
543 543  
544 -7.Node's Signal Strength Icon
545 -
546 -8.Set the packet sending interval of the node in seconds
547 -
548 -9.AT command input box
549 -
550 -10.Send AT command button
551 -
552 -11.Node log box
553 -
554 -12.clear log button
555 -
556 -13.exit button
557 -
558 -LA66 USB LoRaWAN Module not connected
559 -
560 -[[image:image-20220723110520-5.png||height="903" width="677"]]
561 -
562 -Connect LA66 USB LoRaWAN Module
563 -
564 -[[image:image-20220723110626-6.png||height="906" width="680"]]
565 -
566 -=== 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 ===
567 -
568 -1.Register LA66 USB LoRaWAN Module to TTNV3
569 -
570 -[[image:image-20220723134549-8.png]]
571 -
572 -2.Open Node-RED,And import the JSON file to generate the flow
573 -
574 -Sample JSON file please go to this link to download：放置JSON文件的链接
575 -
576 -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/]]
577 -
578 -The following is the positioning effect map
579 -
580 -[[image:image-20220723144339-1.png]]
581 -
582 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
583 -
584 -
585 -
586 -
587 -= 4.  Order Info =
588 -
589 -
590 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
591 -
592 -
593 -(% style="color:blue" %)**XXX**(%%): The default frequency band
594 -
595 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
596 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
597 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
598 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
599 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
600 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
601 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
602 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
603 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
604 -
605 -= 5.  Reference =
606 -
607 -* 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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