Last modified by Mengting Qiu on 2024/04/01 17:22
<
From version < 100.2 >
edited by Xiaoling
on 2022/07/19 11:34
To version < 87.1 >
edited by Edwin Chen
on 2022/07/11 09:10
>
Change comment: There is no comment for this version

Summary

Details

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Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
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1 -
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 -(((
18 -[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
19 -)))
20 -
21 -(((
22 -
23 -)))
24 -
25 -(((
26 26  (% 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.
27 -)))
28 -)))
29 29  
30 -(((
31 -(((
32 32  (% 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.
33 -)))
34 -)))
35 35  
36 -(((
37 -(((
38 38  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
39 -)))
40 40  
41 -(((
42 42  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.
43 -)))
44 -)))
45 45  
46 -(((
47 -(((
48 48  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
49 -)))
50 -)))
51 51  
52 52  
20 +== Features ==
53 53  
54 -
55 -== 1.2  Features ==
56 -
57 57  * Support LoRaWAN v1.0.4 protocol
58 58  * Support peer-to-peer protocol
59 59  * TCXO crystal to ensure RF performance on low temperature
... ... @@ -64,10 +64,8 @@
64 64  * Firmware upgradable via UART interface
65 65  * Ultra-long RF range
66 66  
32 +== Specification ==
67 67  
68 -
69 -== 1.3  Specification ==
70 -
71 71  * CPU: 32-bit 48 MHz
72 72  * Flash: 256KB
73 73  * RAM: 64KB
... ... @@ -86,83 +86,35 @@
86 86  * LoRa Rx current: <9 mA
87 87  * I/O Voltage: 3.3v
88 88  
52 +== AT Command ==
89 89  
90 -
91 -== 1.4  AT Command ==
92 -
93 -
94 94  AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
95 95  
96 96  
57 +== Dimension ==
97 97  
98 -== 1.5  Dimension ==
59 +[[image:image-20220517072526-1.png]]
99 99  
100 -[[image:image-20220718094750-3.png]]
101 101  
62 +== Pin Mapping ==
102 102  
64 +[[image:image-20220523101537-1.png]]
103 103  
66 +== Land Pattern ==
104 104  
105 -== 1.6  Pin Mapping ==
106 -
107 -
108 -[[image:image-20220719093156-1.png]]
109 -
110 -
111 -
112 -== 1.7  Land Pattern ==
113 -
114 114  [[image:image-20220517072821-2.png]]
115 115  
116 116  
117 117  
118 -= 2.  LA66 LoRaWAN Shield =
72 += LA66 LoRaWAN Shield =
119 119  
74 +== Overview ==
120 120  
121 -== 2.1  Overview ==
122 -
123 -
124 -
125 -(((
126 -[[image:image-20220715000826-2.png||height="145" width="220"]]
127 -)))
128 -
129 -(((
130 -
131 -)))
132 -
133 -(((
134 134  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.
135 -)))
136 136  
137 -(((
138 -(((
139 -(% 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.
140 -)))
141 -)))
142 142  
143 -(((
144 -(((
145 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
146 -)))
147 -)))
79 +== Features ==
148 148  
149 -(((
150 -(((
151 -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.
152 -)))
153 -)))
154 -
155 -(((
156 -(((
157 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
158 -)))
159 -)))
160 -
161 -
162 -
163 -
164 -== 2.2  Features ==
165 -
166 166  * Arduino Shield base on LA66 LoRaWAN module
167 167  * Support LoRaWAN v1.0.4 protocol
168 168  * Support peer-to-peer protocol
... ... @@ -174,11 +174,8 @@
174 174  * Firmware upgradable via UART interface
175 175  * Ultra-long RF range
176 176  
92 +== Specification ==
177 177  
178 -
179 -
180 -== 2.3  Specification ==
181 -
182 182  * CPU: 32-bit 48 MHz
183 183  * Flash: 256KB
184 184  * RAM: 64KB
... ... @@ -197,30 +197,18 @@
197 197  * LoRa Rx current: <9 mA
198 198  * I/O Voltage: 3.3v
199 199  
112 +== Pin Mapping & LED ==
200 200  
114 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
201 201  
116 +== Example: Join TTN network and send an uplink message, get downlink message. ==
202 202  
203 -== 2.4  Pin Mapping & LED ==
118 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
204 204  
120 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
205 205  
122 +=== Items needed for update ===
206 206  
207 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
208 -
209 -
210 -
211 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
212 -
213 -
214 -
215 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
216 -
217 -
218 -
219 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
220 -
221 -
222 -=== 2.8.1  Items needed for update ===
223 -
224 224  1. LA66 LoRaWAN Shield
225 225  1. Arduino
226 226  1. USB TO TTL Adapter
... ... @@ -228,23 +228,15 @@
228 228  [[image:image-20220602100052-2.png||height="385" width="600"]]
229 229  
230 230  
231 -=== 2.8.2  Connection ===
131 +=== Connection ===
232 232  
233 -
234 234  [[image:image-20220602101311-3.png||height="276" width="600"]]
235 235  
135 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-> (% style="color:blue" %)**USB TTL**(%%)
136 +**GND  <-> GND
137 +TXD  <-> TXD
138 +RXD  <-> RXD**
236 236  
237 -(((
238 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
239 -)))
240 -
241 -(((
242 -(% style="background-color:yellow" %)**GND  <-> GND
243 -TXD  <->  TXD
244 -RXD  <->  RXD**
245 -)))
246 -
247 -
248 248  Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
249 249  
250 250  Connect USB TTL Adapter to PC after connecting the wires
... ... @@ -253,102 +253,71 @@
253 253  [[image:image-20220602102240-4.png||height="304" width="600"]]
254 254  
255 255  
256 -=== 2.8.3  Upgrade steps ===
148 +=== Upgrade steps ===
257 257  
150 +==== Switch SW1 to put in ISP position ====
258 258  
259 -==== 1.  Switch SW1 to put in ISP position ====
260 -
261 -
262 262  [[image:image-20220602102824-5.png||height="306" width="600"]]
263 263  
264 264  
155 +==== Press the RST switch once ====
265 265  
266 -==== 2.  Press the RST switch once ====
267 -
268 -
269 269  [[image:image-20220602104701-12.png||height="285" width="600"]]
270 270  
271 271  
160 +==== Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
272 272  
273 -==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
162 +**~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/]]**
274 274  
275 -
276 -(((
277 -(% 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/]]**
278 -)))
279 -
280 -
281 281  [[image:image-20220602103227-6.png]]
282 282  
283 -
284 284  [[image:image-20220602103357-7.png]]
285 285  
286 286  
287 -
288 288  (% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
289 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
170 +**2. Select the COM port corresponding to USB TTL**
290 290  
291 -
292 292  [[image:image-20220602103844-8.png]]
293 293  
294 294  
295 -
296 296  (% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
297 -(% style="color:blue" %)**3. Select the bin file to burn**
176 +**3. Select the bin file to burn**
298 298  
299 -
300 300  [[image:image-20220602104144-9.png]]
301 301  
302 -
303 303  [[image:image-20220602104251-10.png]]
304 304  
305 -
306 306  [[image:image-20220602104402-11.png]]
307 307  
308 308  
309 -
310 310  (% class="wikigeneratedid" id="HClicktostartthedownload" %)
311 -(% style="color:blue" %)**4. Click to start the download**
186 +**4. Click to start the download**
312 312  
313 313  [[image:image-20220602104923-13.png]]
314 314  
315 315  
316 -
317 317  (% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
318 -(% style="color:blue" %)**5. Check update process**
192 +**5. Check update process**
319 319  
320 -
321 321  [[image:image-20220602104948-14.png]]
322 322  
323 323  
324 -
325 325  (% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
326 -(% style="color:blue" %)**The following picture shows that the burning is successful**
198 +**The following picture shows that the burning is successful**
327 327  
328 328  [[image:image-20220602105251-15.png]]
329 329  
330 330  
331 331  
332 -= 3.  LA66 USB LoRaWAN Adapter =
204 += LA66 USB LoRaWAN Adapter =
333 333  
206 +== Overview ==
334 334  
335 -== 3.1  Overview ==
208 +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.
336 336  
337 -[[image:image-20220715001142-3.png||height="145" width="220"]]
338 338  
339 -(% 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.
211 +== Features ==
340 340  
341 -(% 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.
342 -
343 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
344 -
345 -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.
346 -
347 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
348 -
349 -
350 -== 3.2  Features ==
351 -
352 352  * LoRaWAN USB adapter base on LA66 LoRaWAN module
353 353  * Ultra-long RF range
354 354  * Support LoRaWAN v1.0.4 protocol
... ... @@ -359,12 +359,9 @@
359 359  * World-wide unique OTAA keys.
360 360  * AT Command via UART-TTL interface
361 361  * Firmware upgradable via UART interface
362 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
363 363  
224 +== Specification ==
364 364  
365 -
366 -== 3.3  Specification ==
367 -
368 368  * CPU: 32-bit 48 MHz
369 369  * Flash: 256KB
370 370  * RAM: 64KB
... ... @@ -381,24 +381,16 @@
381 381  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
382 382  * LoRa Rx current: <9 mA
383 383  
242 +== Pin Mapping & LED ==
384 384  
244 +== Example Send & Get Messages via LoRaWAN in PC ==
385 385  
386 -== 3.4  Pin Mapping & LED ==
387 -
388 -
389 -
390 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
391 -
392 -
393 393  Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
394 394  
248 +~1. Connect the LA66 USB LoRaWAN adapter to PC
395 395  
396 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
397 -
398 -
399 399  [[image:image-20220602171217-1.png||height="538" width="800"]]
400 400  
401 -
402 402  Open the serial port tool
403 403  
404 404  [[image:image-20220602161617-8.png]]
... ... @@ -406,75 +406,67 @@
406 406  [[image:image-20220602161718-9.png||height="457" width="800"]]
407 407  
408 408  
259 +2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
409 409  
410 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
411 -
412 412  The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
413 413  
414 -
415 415  [[image:image-20220602161935-10.png||height="498" width="800"]]
416 416  
417 417  
266 +3. See Uplink Command
418 418  
419 -(% style="color:blue" %)**3. See Uplink Command**
268 +Command format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
420 420  
421 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
422 -
423 423  example: AT+SENDB=01,02,8,05820802581ea0a5
424 424  
425 425  [[image:image-20220602162157-11.png||height="497" width="800"]]
426 426  
427 427  
275 +4. Check to see if TTN received the message
428 428  
429 -(% style="color:blue" %)**4. Check to see if TTN received the message**
430 -
431 431  [[image:image-20220602162331-12.png||height="420" width="800"]]
432 432  
433 433  
434 434  
435 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
281 +== Example:Send PC's CPU/RAM usage to TTN via python ==
436 436  
437 -
283 +(% class="wikigeneratedid" id="HUsepythonasanexampleFF1A" %)
438 438  **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]]
439 439  
286 +(% class="wikigeneratedid" id="HPreconditions:" %)
287 +**Preconditions:**
440 440  
441 -(% style="color:red" %)**Preconditions:**
289 +1.LA66 USB LoRaWAN Adapter works fine
442 442  
443 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
291 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
444 444  
445 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
293 +(% class="wikigeneratedid" id="HStepsforusage" %)
294 +**Steps for usage**
446 446  
296 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
447 447  
298 +2.Run the python script in PC and see the TTN
448 448  
449 -(% style="color:blue" %)**Steps for usage:**
450 -
451 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
452 -
453 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
454 -
455 455  [[image:image-20220602115852-3.png||height="450" width="1187"]]
456 456  
457 457  
458 458  
459 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
304 +== Example Send & Get Messages via LoRaWAN in RPi ==
460 460  
461 -
462 462  Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
463 463  
308 +~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
464 464  
465 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
466 -
467 467  [[image:image-20220602171233-2.png||height="538" width="800"]]
468 468  
469 469  
313 +2. Install Minicom in RPi.
470 470  
471 -(% style="color:blue" %)**2. Install Minicom in RPi.**
472 -
473 473  (% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
474 474  
475 - (% style="background-color:yellow" %)**apt update**
317 +(% class="mark" %)apt update
476 476  
477 - (% style="background-color:yellow" %)**apt install minicom**
319 +(% class="mark" %)apt install minicom
478 478  
479 479  
480 480  Use minicom to connect to the RPI's terminal
... ... @@ -482,27 +482,20 @@
482 482  [[image:image-20220602153146-3.png||height="439" width="500"]]
483 483  
484 484  
327 +3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
328 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
485 485  
486 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
487 -
488 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
489 -
490 -
491 491  [[image:image-20220602154928-5.png||height="436" width="500"]]
492 492  
493 493  
333 +4. Send Uplink message
494 494  
495 -(% style="color:blue" %)**4. Send Uplink message**
335 +Format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
496 496  
497 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
498 -
499 499  example: AT+SENDB=01,02,8,05820802581ea0a5
500 500  
501 -
502 502  [[image:image-20220602160339-6.png||height="517" width="600"]]
503 503  
504 -
505 -
506 506  Check to see if TTN received the message
507 507  
508 508  [[image:image-20220602160627-7.png||height="369" width="800"]]
... ... @@ -509,33 +509,34 @@
509 509  
510 510  
511 511  
512 -== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
347 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
513 513  
514 514  
350 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
515 515  
516 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
517 517  
518 518  
354 += Order Info =
519 519  
356 +Part Number:
520 520  
521 -= 4.  Order Info =
358 +**LA66-XXX**, **LA66-LoRaWAN-Shield-XXX** or **LA66-USB-LoRaWAN-Adapter-XXX**
522 522  
360 +**XXX**: The default frequency band
523 523  
524 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
362 +* **AS923**: LoRaWAN AS923 band
363 +* **AU915**: LoRaWAN AU915 band
364 +* **EU433**: LoRaWAN EU433 band
365 +* **EU868**: LoRaWAN EU868 band
366 +* **KR920**: LoRaWAN KR920 band
367 +* **US915**: LoRaWAN US915 band
368 +* **IN865**: LoRaWAN IN865 band
369 +* **CN470**: LoRaWAN CN470 band
370 +* **PP**: Peer to Peer LoRa Protocol
525 525  
526 526  
527 -(% style="color:blue" %)**XXX**(%%): The default frequency band
373 += Reference =
528 528  
529 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
530 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
531 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
532 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
533 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
534 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
535 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
536 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
537 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
538 -
539 -= 5.  Reference =
540 -
541 541  * Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
376 +
377 +
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1 -XWiki.Edwin
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