Wiki source code of LA66 LoRaWAN Module

Version 101.4 by Xiaoling on 2022/07/21 14:17
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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
67 == 1.3  Specification ==
68
69 * CPU: 32-bit 48 MHz
70 * Flash: 256KB
71 * RAM: 64KB
72 * Input Power Range: 1.8v ~~ 3.7v
73 * Power Consumption: < 4uA.
74 * Frequency Range: 150 MHz ~~ 960 MHz
75 * Maximum Power +22 dBm constant RF output
76 * High sensitivity: -148 dBm
77 * Temperature:
78 ** Storage: -55 ~~ +125℃
79 ** Operating: -40 ~~ +85℃
80 * Humidity:
81 ** Storage: 5 ~~ 95% (Non-Condensing)
82 ** Operating: 10 ~~ 95% (Non-Condensing)
83 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
84 * LoRa Rx current: <9 mA
85 * I/O Voltage: 3.3v
86
87
88
89 == 1.4  AT Command ==
90
91
92 AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
93
94
95
96 == 1.5  Dimension ==
97
98 [[image:image-20220718094750-3.png]]
99
100
101
102 == 1.6  Pin Mapping ==
103
104 [[image:image-20220720111850-1.png]]
105
106
107
108 == 1.7  Land Pattern ==
109
110 [[image:image-20220517072821-2.png]]
111
112
113
114 = 2.  LA66 LoRaWAN Shield =
115
116
117 == 2.1  Overview ==
118
119
120 (((
121 [[image:image-20220715000826-2.png||height="145" width="220"]]
122 )))
123
124 (((
125
126 )))
127
128 (((
129 (% 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.
130 )))
131
132 (((
133 (((
134 (% 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.
135 )))
136 )))
137
138 (((
139 (((
140 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
141 )))
142 )))
143
144 (((
145 (((
146 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.
147 )))
148 )))
149
150 (((
151 (((
152 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
153 )))
154 )))
155
156
157
158 == 2.2  Features ==
159
160 * Arduino Shield base on LA66 LoRaWAN module
161 * Support LoRaWAN v1.0.4 protocol
162 * Support peer-to-peer protocol
163 * TCXO crystal to ensure RF performance on low temperature
164 * SMA connector
165 * Available in different frequency LoRaWAN frequency bands.
166 * World-wide unique OTAA keys.
167 * AT Command via UART-TTL interface
168 * Firmware upgradable via UART interface
169 * Ultra-long RF range
170
171
172
173 == 2.3  Specification ==
174
175 * CPU: 32-bit 48 MHz
176 * Flash: 256KB
177 * RAM: 64KB
178 * Input Power Range: 1.8v ~~ 3.7v
179 * Power Consumption: < 4uA.
180 * Frequency Range: 150 MHz ~~ 960 MHz
181 * Maximum Power +22 dBm constant RF output
182 * High sensitivity: -148 dBm
183 * Temperature:
184 ** Storage: -55 ~~ +125℃
185 ** Operating: -40 ~~ +85℃
186 * Humidity:
187 ** Storage: 5 ~~ 95% (Non-Condensing)
188 ** Operating: 10 ~~ 95% (Non-Condensing)
189 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
190 * LoRa Rx current: <9 mA
191 * I/O Voltage: 3.3v
192
193
194
195 == 2.4  Pin Mapping & LED ==
196
197
198
199 == 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
200
201
202
203 == 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
204
205
206
207 == 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
208
209
210
211 == 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
212
213
214 === 2.8.1  Items needed for update ===
215
216 1. LA66 LoRaWAN Shield
217 1. Arduino
218 1. USB TO TTL Adapter
219
220 [[image:image-20220602100052-2.png||height="385" width="600"]]
221
222
223 === 2.8.2  Connection ===
224
225
226 [[image:image-20220602101311-3.png||height="276" width="600"]]
227
228
229 (((
230 (% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
231 )))
232
233 (((
234 (% style="background-color:yellow" %)**GND  <-> GND
235 TXD  <->  TXD
236 RXD  <->  RXD**
237 )))
238
239
240 Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
241
242 Connect USB TTL Adapter to PC after connecting the wires
243
244
245 [[image:image-20220602102240-4.png||height="304" width="600"]]
246
247
248 === 2.8.3  Upgrade steps ===
249
250
251 ==== 1.  Switch SW1 to put in ISP position ====
252
253
254 [[image:image-20220602102824-5.png||height="306" width="600"]]
255
256
257
258 ==== 2.  Press the RST switch once ====
259
260
261 [[image:image-20220602104701-12.png||height="285" width="600"]]
262
263
264
265 ==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
266
267
268 (((
269 (% 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/]]**
270 )))
271
272
273 [[image:image-20220602103227-6.png]]
274
275
276 [[image:image-20220602103357-7.png]]
277
278
279
280 (% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
281 (% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
282
283
284 [[image:image-20220602103844-8.png]]
285
286
287
288 (% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
289 (% style="color:blue" %)**3. Select the bin file to burn**
290
291
292 [[image:image-20220602104144-9.png]]
293
294
295 [[image:image-20220602104251-10.png]]
296
297
298 [[image:image-20220602104402-11.png]]
299
300
301
302 (% class="wikigeneratedid" id="HClicktostartthedownload" %)
303 (% style="color:blue" %)**4. Click to start the download**
304
305 [[image:image-20220602104923-13.png]]
306
307
308
309 (% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
310 (% style="color:blue" %)**5. Check update process**
311
312
313 [[image:image-20220602104948-14.png]]
314
315
316
317 (% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
318 (% style="color:blue" %)**The following picture shows that the burning is successful**
319
320 [[image:image-20220602105251-15.png]]
321
322
323
324 = 3.  LA66 USB LoRaWAN Adapter =
325
326
327 == 3.1  Overview ==
328
329
330 [[image:image-20220715001142-3.png||height="145" width="220"]]
331
332
333 (((
334 (% 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.
335 )))
336
337 (((
338 (% 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.
339 )))
340
341 (((
342 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
343 )))
344
345 (((
346 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.
347 )))
348
349 (((
350 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
351 )))
352
353
354
355 == 3.2  Features ==
356
357 * LoRaWAN USB adapter base on LA66 LoRaWAN module
358 * Ultra-long RF range
359 * Support LoRaWAN v1.0.4 protocol
360 * Support peer-to-peer protocol
361 * TCXO crystal to ensure RF performance on low temperature
362 * Spring RF antenna
363 * Available in different frequency LoRaWAN frequency bands.
364 * World-wide unique OTAA keys.
365 * AT Command via UART-TTL interface
366 * Firmware upgradable via UART interface
367 * Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
368
369
370
371 == 3.3  Specification ==
372
373 * CPU: 32-bit 48 MHz
374 * Flash: 256KB
375 * RAM: 64KB
376 * Input Power Range: 5v
377 * Frequency Range: 150 MHz ~~ 960 MHz
378 * Maximum Power +22 dBm constant RF output
379 * High sensitivity: -148 dBm
380 * Temperature:
381 ** Storage: -55 ~~ +125℃
382 ** Operating: -40 ~~ +85℃
383 * Humidity:
384 ** Storage: 5 ~~ 95% (Non-Condensing)
385 ** Operating: 10 ~~ 95% (Non-Condensing)
386 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
387 * LoRa Rx current: <9 mA
388
389
390
391 == 3.4  Pin Mapping & LED ==
392
393
394
395 == 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
396
397
398 (((
399 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
400 )))
401
402
403 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
404
405
406 [[image:image-20220602171217-1.png||height="538" width="800"]]
407
408
409 Open the serial port tool
410
411 [[image:image-20220602161617-8.png]]
412
413 [[image:image-20220602161718-9.png||height="457" width="800"]]
414
415
416
417 (% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
418
419 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
420
421
422 [[image:image-20220602161935-10.png||height="498" width="800"]]
423
424
425
426 (% style="color:blue" %)**3. See Uplink Command**
427
428 Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
429
430 example: AT+SENDB=01,02,8,05820802581ea0a5
431
432 [[image:image-20220602162157-11.png||height="497" width="800"]]
433
434
435
436 (% style="color:blue" %)**4. Check to see if TTN received the message**
437
438 [[image:image-20220602162331-12.png||height="420" width="800"]]
439
440
441
442 == 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
443
444
445 **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]]
446
447
448 (% style="color:red" %)**Preconditions:**
449
450 (% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
451
452 (% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
453
454
455
456 (% style="color:blue" %)**Steps for usage:**
457
458 (% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
459
460 (% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
461
462 [[image:image-20220602115852-3.png||height="450" width="1187"]]
463
464
465
466 == 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
467
468
469 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
470
471
472 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
473
474 [[image:image-20220602171233-2.png||height="538" width="800"]]
475
476
477
478 (% style="color:blue" %)**2. Install Minicom in RPi.**
479
480 (% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
481
482 (% style="background-color:yellow" %)**apt update**
483
484 (% style="background-color:yellow" %)**apt install minicom**
485
486
487 Use minicom to connect to the RPI's terminal
488
489 [[image:image-20220602153146-3.png||height="439" width="500"]]
490
491
492
493 (% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
494
495 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
496
497
498 [[image:image-20220602154928-5.png||height="436" width="500"]]
499
500
501
502 (% style="color:blue" %)**4. Send Uplink message**
503
504 Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
505
506 example: AT+SENDB=01,02,8,05820802581ea0a5
507
508
509 [[image:image-20220602160339-6.png||height="517" width="600"]]
510
511
512
513 Check to see if TTN received the message
514
515 [[image:image-20220602160627-7.png||height="369" width="800"]]
516
517
518
519 == 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
520
521
522
523 == 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
524
525
526
527
528 = 4.  Order Info =
529
530
531 **Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
532
533
534 (% style="color:blue" %)**XXX**(%%): The default frequency band
535
536 * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
537 * (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
538 * (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
539 * (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
540 * (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
541 * (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
542 * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
543 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
544 * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
545
546 = 5.  Reference =
547
548 * 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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