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Wiki source code of LA66 LoRaWAN Module

Version 100.2 by Xiaoling on 2022/07/19 11:34
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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 (((
18 [[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
19 )))
20
21 (((
22
23 )))
24
25 (((
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
30 (((
31 (((
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
36 (((
37 (((
38 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
39 )))
40
41 (((
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
46 (((
47 (((
48 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
49 )))
50 )))
51
52
53
54
55 == 1.2  Features ==
56
57 * Support LoRaWAN v1.0.4 protocol
58 * Support peer-to-peer protocol
59 * TCXO crystal to ensure RF performance on low temperature
60 * SMD Antenna pad and i-pex antenna connector
61 * Available in different frequency LoRaWAN frequency bands.
62 * World-wide unique OTAA keys.
63 * AT Command via UART-TTL interface
64 * Firmware upgradable via UART interface
65 * Ultra-long RF range
66
67
68
69 == 1.3  Specification ==
70
71 * CPU: 32-bit 48 MHz
72 * Flash: 256KB
73 * RAM: 64KB
74 * Input Power Range: 1.8v ~~ 3.7v
75 * Power Consumption: < 4uA.
76 * Frequency Range: 150 MHz ~~ 960 MHz
77 * Maximum Power +22 dBm constant RF output
78 * High sensitivity: -148 dBm
79 * Temperature:
80 ** Storage: -55 ~~ +125℃
81 ** Operating: -40 ~~ +85℃
82 * Humidity:
83 ** Storage: 5 ~~ 95% (Non-Condensing)
84 ** Operating: 10 ~~ 95% (Non-Condensing)
85 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
86 * LoRa Rx current: <9 mA
87 * I/O Voltage: 3.3v
88
89
90
91 == 1.4  AT Command ==
92
93
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
96
97
98 == 1.5  Dimension ==
99
100 [[image:image-20220718094750-3.png]]
101
102
103
104
105 == 1.6  Pin Mapping ==
106
107
108 [[image:image-20220719093156-1.png]]
109
110
111
112 == 1.7  Land Pattern ==
113
114 [[image:image-20220517072821-2.png]]
115
116
117
118 = 2.  LA66 LoRaWAN Shield =
119
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 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
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
143 (((
144 (((
145 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
146 )))
147 )))
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 * Arduino Shield base on LA66 LoRaWAN module
167 * Support LoRaWAN v1.0.4 protocol
168 * Support peer-to-peer protocol
169 * TCXO crystal to ensure RF performance on low temperature
170 * SMA connector
171 * Available in different frequency LoRaWAN frequency bands.
172 * World-wide unique OTAA keys.
173 * AT Command via UART-TTL interface
174 * Firmware upgradable via UART interface
175 * Ultra-long RF range
176
177
178
179
180 == 2.3  Specification ==
181
182 * CPU: 32-bit 48 MHz
183 * Flash: 256KB
184 * RAM: 64KB
185 * Input Power Range: 1.8v ~~ 3.7v
186 * Power Consumption: < 4uA.
187 * Frequency Range: 150 MHz ~~ 960 MHz
188 * Maximum Power +22 dBm constant RF output
189 * High sensitivity: -148 dBm
190 * Temperature:
191 ** Storage: -55 ~~ +125℃
192 ** Operating: -40 ~~ +85℃
193 * Humidity:
194 ** Storage: 5 ~~ 95% (Non-Condensing)
195 ** Operating: 10 ~~ 95% (Non-Condensing)
196 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
197 * LoRa Rx current: <9 mA
198 * I/O Voltage: 3.3v
199
200
201
202
203 == 2.4  Pin Mapping & LED ==
204
205
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 1. LA66 LoRaWAN Shield
225 1. Arduino
226 1. USB TO TTL Adapter
227
228 [[image:image-20220602100052-2.png||height="385" width="600"]]
229
230
231 === 2.8.2  Connection ===
232
233
234 [[image:image-20220602101311-3.png||height="276" width="600"]]
235
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 Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
249
250 Connect USB TTL Adapter to PC after connecting the wires
251
252
253 [[image:image-20220602102240-4.png||height="304" width="600"]]
254
255
256 === 2.8.3  Upgrade steps ===
257
258
259 ==== 1.  Switch SW1 to put in ISP position ====
260
261
262 [[image:image-20220602102824-5.png||height="306" width="600"]]
263
264
265
266 ==== 2.  Press the RST switch once ====
267
268
269 [[image:image-20220602104701-12.png||height="285" width="600"]]
270
271
272
273 ==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
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 [[image:image-20220602103227-6.png]]
282
283
284 [[image:image-20220602103357-7.png]]
285
286
287
288 (% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
289 (% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
290
291
292 [[image:image-20220602103844-8.png]]
293
294
295
296 (% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
297 (% style="color:blue" %)**3. Select the bin file to burn**
298
299
300 [[image:image-20220602104144-9.png]]
301
302
303 [[image:image-20220602104251-10.png]]
304
305
306 [[image:image-20220602104402-11.png]]
307
308
309
310 (% class="wikigeneratedid" id="HClicktostartthedownload" %)
311 (% style="color:blue" %)**4. Click to start the download**
312
313 [[image:image-20220602104923-13.png]]
314
315
316
317 (% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
318 (% style="color:blue" %)**5. Check update process**
319
320
321 [[image:image-20220602104948-14.png]]
322
323
324
325 (% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
326 (% style="color:blue" %)**The following picture shows that the burning is successful**
327
328 [[image:image-20220602105251-15.png]]
329
330
331
332 = 3.  LA66 USB LoRaWAN Adapter =
333
334
335 == 3.1  Overview ==
336
337 [[image:image-20220715001142-3.png||height="145" width="220"]]
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.
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 * LoRaWAN USB adapter base on LA66 LoRaWAN module
353 * Ultra-long RF range
354 * Support LoRaWAN v1.0.4 protocol
355 * Support peer-to-peer protocol
356 * TCXO crystal to ensure RF performance on low temperature
357 * Spring RF antenna
358 * Available in different frequency LoRaWAN frequency bands.
359 * World-wide unique OTAA keys.
360 * AT Command via UART-TTL interface
361 * Firmware upgradable via UART interface
362 * Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
363
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
386 == 3.4  Pin Mapping & LED ==
387
388
389
390 == 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
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 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
397
398
399 [[image:image-20220602171217-1.png||height="538" width="800"]]
400
401
402 Open the serial port tool
403
404 [[image:image-20220602161617-8.png]]
405
406 [[image:image-20220602161718-9.png||height="457" width="800"]]
407
408
409
410 (% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
411
412 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
413
414
415 [[image:image-20220602161935-10.png||height="498" width="800"]]
416
417
418
419 (% style="color:blue" %)**3. See Uplink Command**
420
421 Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
422
423 example: AT+SENDB=01,02,8,05820802581ea0a5
424
425 [[image:image-20220602162157-11.png||height="497" width="800"]]
426
427
428
429 (% style="color:blue" %)**4. Check to see if TTN received the message**
430
431 [[image:image-20220602162331-12.png||height="420" width="800"]]
432
433
434
435 == 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
436
437
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
440
441 (% style="color:red" %)**Preconditions:**
442
443 (% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
444
445 (% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
446
447
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 [[image:image-20220602115852-3.png||height="450" width="1187"]]
456
457
458
459 == 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
460
461
462 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
463
464
465 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
466
467 [[image:image-20220602171233-2.png||height="538" width="800"]]
468
469
470
471 (% style="color:blue" %)**2. Install Minicom in RPi.**
472
473 (% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
474
475 (% style="background-color:yellow" %)**apt update**
476
477 (% style="background-color:yellow" %)**apt install minicom**
478
479
480 Use minicom to connect to the RPI's terminal
481
482 [[image:image-20220602153146-3.png||height="439" width="500"]]
483
484
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 [[image:image-20220602154928-5.png||height="436" width="500"]]
492
493
494
495 (% style="color:blue" %)**4. Send Uplink message**
496
497 Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
498
499 example: AT+SENDB=01,02,8,05820802581ea0a5
500
501
502 [[image:image-20220602160339-6.png||height="517" width="600"]]
503
504
505
506 Check to see if TTN received the message
507
508 [[image:image-20220602160627-7.png||height="369" width="800"]]
509
510
511
512 == 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
513
514
515
516 == 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
517
518
519
520
521 = 4.  Order Info =
522
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**
525
526
527 (% style="color:blue" %)**XXX**(%%): The default frequency band
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 * Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]