Wiki source code of LA66 LoRaWAN Module

Version 108.1 by Herong Lu on 2022/07/23 11:06
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1
2
3 **Table of Contents:**
4
5 {{toc/}}
6
7
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 (% 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
66 == 1.3  Specification ==
67
68 * CPU: 32-bit 48 MHz
69 * Flash: 256KB
70 * RAM: 64KB
71 * Input Power Range: 1.8v ~~ 3.7v
72 * Power Consumption: < 4uA.
73 * Frequency Range: 150 MHz ~~ 960 MHz
74 * Maximum Power +22 dBm constant RF output
75 * High sensitivity: -148 dBm
76 * Temperature:
77 ** Storage: -55 ~~ +125℃
78 ** Operating: -40 ~~ +85℃
79 * Humidity:
80 ** Storage: 5 ~~ 95% (Non-Condensing)
81 ** Operating: 10 ~~ 95% (Non-Condensing)
82 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
83 * LoRa Rx current: <9 mA
84 * I/O Voltage: 3.3v
85
86
87 == 1.4  AT Command ==
88
89
90 AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
91
92
93
94 == 1.5  Dimension ==
95
96 [[image:image-20220718094750-3.png]]
97
98
99
100 == 1.6  Pin Mapping ==
101
102 [[image:image-20220720111850-1.png]]
103
104
105
106 == 1.7  Land Pattern ==
107
108 [[image:image-20220517072821-2.png]]
109
110
111
112 = 2.  LA66 LoRaWAN Shield =
113
114
115 == 2.1  Overview ==
116
117
118 (((
119 [[image:image-20220715000826-2.png||height="145" width="220"]]
120 )))
121
122 (((
123
124 )))
125
126 (((
127 (% 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.
128 )))
129
130 (((
131 (((
132 (% 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.
133 )))
134 )))
135
136 (((
137 (((
138 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
139 )))
140 )))
141
142 (((
143 (((
144 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.
145 )))
146 )))
147
148 (((
149 (((
150 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
151 )))
152 )))
153
154
155
156 == 2.2  Features ==
157
158 * Arduino Shield base on LA66 LoRaWAN module
159 * Support LoRaWAN v1.0.4 protocol
160 * Support peer-to-peer protocol
161 * TCXO crystal to ensure RF performance on low temperature
162 * SMA connector
163 * Available in different frequency LoRaWAN frequency bands.
164 * World-wide unique OTAA keys.
165 * AT Command via UART-TTL interface
166 * Firmware upgradable via UART interface
167 * Ultra-long RF range
168
169
170 == 2.3  Specification ==
171
172 * CPU: 32-bit 48 MHz
173 * Flash: 256KB
174 * RAM: 64KB
175 * Input Power Range: 1.8v ~~ 3.7v
176 * Power Consumption: < 4uA.
177 * Frequency Range: 150 MHz ~~ 960 MHz
178 * Maximum Power +22 dBm constant RF output
179 * High sensitivity: -148 dBm
180 * Temperature:
181 ** Storage: -55 ~~ +125℃
182 ** Operating: -40 ~~ +85℃
183 * Humidity:
184 ** Storage: 5 ~~ 95% (Non-Condensing)
185 ** Operating: 10 ~~ 95% (Non-Condensing)
186 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
187 * LoRa Rx current: <9 mA
188 * I/O Voltage: 3.3v
189
190
191 == 2.4  Pin Mapping & LED ==
192
193
194
195 == 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
196
197
198
199 == 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
200
201
202
203 == 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
204
205
206
207 == 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
208
209
210 === 2.8.1  Items needed for update ===
211
212 1. LA66 LoRaWAN Shield
213 1. Arduino
214 1. USB TO TTL Adapter
215
216 [[image:image-20220602100052-2.png||height="385" width="600"]]
217
218
219 === 2.8.2  Connection ===
220
221
222 [[image:image-20220602101311-3.png||height="276" width="600"]]
223
224
225 (((
226 (% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
227 )))
228
229 (((
230 (% style="background-color:yellow" %)**GND  <-> GND
231 TXD  <->  TXD
232 RXD  <->  RXD**
233 )))
234
235
236 Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
237
238 Connect USB TTL Adapter to PC after connecting the wires
239
240
241 [[image:image-20220602102240-4.png||height="304" width="600"]]
242
243
244 === 2.8.3  Upgrade steps ===
245
246
247 ==== 1.  Switch SW1 to put in ISP position ====
248
249
250 [[image:image-20220602102824-5.png||height="306" width="600"]]
251
252
253
254 ==== 2.  Press the RST switch once ====
255
256
257 [[image:image-20220602104701-12.png||height="285" width="600"]]
258
259
260
261 ==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
262
263
264 (((
265 (% 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/]]**
266 )))
267
268
269 [[image:image-20220602103227-6.png]]
270
271
272 [[image:image-20220602103357-7.png]]
273
274
275
276 (% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
277 (% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
278
279
280 [[image:image-20220602103844-8.png]]
281
282
283
284 (% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
285 (% style="color:blue" %)**3. Select the bin file to burn**
286
287
288 [[image:image-20220602104144-9.png]]
289
290
291 [[image:image-20220602104251-10.png]]
292
293
294 [[image:image-20220602104402-11.png]]
295
296
297
298 (% class="wikigeneratedid" id="HClicktostartthedownload" %)
299 (% style="color:blue" %)**4. Click to start the download**
300
301 [[image:image-20220602104923-13.png]]
302
303
304
305 (% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
306 (% style="color:blue" %)**5. Check update process**
307
308
309 [[image:image-20220602104948-14.png]]
310
311
312
313 (% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
314 (% style="color:blue" %)**The following picture shows that the burning is successful**
315
316 [[image:image-20220602105251-15.png]]
317
318
319
320 = 3.  LA66 USB LoRaWAN Adapter =
321
322
323 == 3.1  Overview ==
324
325
326 [[image:image-20220715001142-3.png||height="145" width="220"]]
327
328
329 (((
330 (% 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.
331 )))
332
333 (((
334 (% 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.
335 )))
336
337 (((
338 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
339 )))
340
341 (((
342 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.
343 )))
344
345 (((
346 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
347 )))
348
349
350
351 == 3.2  Features ==
352
353 * LoRaWAN USB adapter base on LA66 LoRaWAN module
354 * Ultra-long RF range
355 * Support LoRaWAN v1.0.4 protocol
356 * Support peer-to-peer protocol
357 * TCXO crystal to ensure RF performance on low temperature
358 * Spring RF antenna
359 * Available in different frequency LoRaWAN frequency bands.
360 * World-wide unique OTAA keys.
361 * AT Command via UART-TTL interface
362 * Firmware upgradable via UART interface
363 * Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
364
365
366 == 3.3  Specification ==
367
368 * CPU: 32-bit 48 MHz
369 * Flash: 256KB
370 * RAM: 64KB
371 * Input Power Range: 5v
372 * Frequency Range: 150 MHz ~~ 960 MHz
373 * Maximum Power +22 dBm constant RF output
374 * High sensitivity: -148 dBm
375 * Temperature:
376 ** Storage: -55 ~~ +125℃
377 ** Operating: -40 ~~ +85℃
378 * Humidity:
379 ** Storage: 5 ~~ 95% (Non-Condensing)
380 ** Operating: 10 ~~ 95% (Non-Condensing)
381 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
382 * LoRa Rx current: <9 mA
383
384
385 == 3.4  Pin Mapping & LED ==
386
387
388
389 == 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
390
391
392 (((
393 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
394 )))
395
396
397 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
398
399
400 [[image:image-20220723100027-1.png]]
401
402
403 Open the serial port tool
404
405 [[image:image-20220602161617-8.png]]
406
407 [[image:image-20220602161718-9.png||height="457" width="800"]]
408
409
410
411 (% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
412
413 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
414
415
416 [[image:image-20220602161935-10.png||height="498" width="800"]]
417
418
419
420 (% style="color:blue" %)**3. See Uplink Command**
421
422 Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
423
424 example: AT+SENDB=01,02,8,05820802581ea0a5
425
426 [[image:image-20220602162157-11.png||height="497" width="800"]]
427
428
429
430 (% style="color:blue" %)**4. Check to see if TTN received the message**
431
432 [[image:image-20220602162331-12.png||height="420" width="800"]]
433
434
435
436 == 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
437
438
439 **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]]
440
441 (**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]])
442
443 (% style="color:red" %)**Preconditions:**
444
445 (% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
446
447 (% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
448
449
450
451 (% style="color:blue" %)**Steps for usage:**
452
453 (% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
454
455 (% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
456
457 [[image:image-20220602115852-3.png||height="450" width="1187"]]
458
459
460
461 == 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
462
463
464 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
465
466
467 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
468
469 [[image:image-20220723100439-2.png]]
470
471
472
473 (% style="color:blue" %)**2. Install Minicom in RPi.**
474
475 (% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
476
477 (% style="background-color:yellow" %)**apt update**
478
479 (% style="background-color:yellow" %)**apt install minicom**
480
481
482 Use minicom to connect to the RPI's terminal
483
484 [[image:image-20220602153146-3.png||height="439" width="500"]]
485
486
487
488 (% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
489
490 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
491
492
493 [[image:image-20220602154928-5.png||height="436" width="500"]]
494
495
496
497 (% style="color:blue" %)**4. Send Uplink message**
498
499 Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
500
501 example: AT+SENDB=01,02,8,05820802581ea0a5
502
503
504 [[image:image-20220602160339-6.png||height="517" width="600"]]
505
506
507
508 Check to see if TTN received the message
509
510 [[image:image-20220602160627-7.png||height="369" width="800"]]
511
512
513
514 == 3.8  Example: Use of LA66 USB LoRaWAN Module and DRAGINO-LA66-APP. ==
515
516 === 3.8.1 DRAGINO-LA66-APP ===
517
518 [[image:image-20220723102027-3.png]]
519
520 ==== Overview： ====
521
522 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.（DRAGINO-LA66-APP currently only supports Android system）
523
524 ==== Conditions of Use： ====
525
526 Requires a type-c to USB adapter
527
528 [[image:image-20220723104754-4.png]]
529
530 ==== Use of APP: ====
531
532 LA66 USB LoRaWAN Module not connected
533
534
535
536 == 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
537
538
539
540
541 = 4.  Order Info =
542
543
544 **Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
545
546
547 (% style="color:blue" %)**XXX**(%%): The default frequency band
548
549 * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
550 * (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
551 * (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
552 * (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
553 * (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
554 * (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
555 * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
556 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
557 * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
558
559 = 5.  Reference =
560
561 * 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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