Wiki source code of LA66 LoRaWAN Module

Version 100.6 by Xiaoling on 2022/07/19 11:49
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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 v1.0.4 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.
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
105 [[image:image-20220719093156-1.png]]
106
107
108
109 == 1.7  Land Pattern ==
110
111 [[image:image-20220517072821-2.png]]
112
113
114
115 = 2.  LA66 LoRaWAN Shield =
116
117
118 == 2.1  Overview ==
119
120
121 (((
122 [[image:image-20220715000826-2.png||height="145" width="220"]]
123 )))
124
125 (((
126
127 )))
128
129 (((
130 (% 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.
131 )))
132
133 (((
134 (((
135 (% 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.
136 )))
137 )))
138
139 (((
140 (((
141 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
142 )))
143 )))
144
145 (((
146 (((
147 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.
148 )))
149 )))
150
151 (((
152 (((
153 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
154 )))
155 )))
156
157
158
159 == 2.2  Features ==
160
161 * Arduino Shield base on LA66 LoRaWAN module
162 * Support LoRaWAN v1.0.4 protocol
163 * Support peer-to-peer protocol
164 * TCXO crystal to ensure RF performance on low temperature
165 * SMA connector
166 * Available in different frequency LoRaWAN frequency bands.
167 * World-wide unique OTAA keys.
168 * AT Command via UART-TTL interface
169 * Firmware upgradable via UART interface
170 * Ultra-long RF range
171
172
173
174 == 2.3  Specification ==
175
176 * CPU: 32-bit 48 MHz
177 * Flash: 256KB
178 * RAM: 64KB
179 * Input Power Range: 1.8v ~~ 3.7v
180 * Power Consumption: < 4uA.
181 * Frequency Range: 150 MHz ~~ 960 MHz
182 * Maximum Power +22 dBm constant RF output
183 * High sensitivity: -148 dBm
184 * Temperature:
185 ** Storage: -55 ~~ +125℃
186 ** Operating: -40 ~~ +85℃
187 * Humidity:
188 ** Storage: 5 ~~ 95% (Non-Condensing)
189 ** Operating: 10 ~~ 95% (Non-Condensing)
190 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
191 * LoRa Rx current: <9 mA
192 * I/O Voltage: 3.3v
193
194
195
196 == 2.4  Pin Mapping & LED ==
197
198
199
200 == 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
201
202
203
204 == 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
205
206
207
208 == 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
209
210
211
212 == 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
213
214
215 === 2.8.1  Items needed for update ===
216
217 1. LA66 LoRaWAN Shield
218 1. Arduino
219 1. USB TO TTL Adapter
220
221 [[image:image-20220602100052-2.png||height="385" width="600"]]
222
223
224 === 2.8.2  Connection ===
225
226
227 [[image:image-20220602101311-3.png||height="276" width="600"]]
228
229
230 (((
231 (% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
232 )))
233
234 (((
235 (% style="background-color:yellow" %)**GND  <-> GND
236 TXD  <->  TXD
237 RXD  <->  RXD**
238 )))
239
240
241 Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
242
243 Connect USB TTL Adapter to PC after connecting the wires
244
245
246 [[image:image-20220602102240-4.png||height="304" width="600"]]
247
248
249 === 2.8.3  Upgrade steps ===
250
251
252 ==== 1.  Switch SW1 to put in ISP position ====
253
254
255 [[image:image-20220602102824-5.png||height="306" width="600"]]
256
257
258
259 ==== 2.  Press the RST switch once ====
260
261
262 [[image:image-20220602104701-12.png||height="285" width="600"]]
263
264
265
266 ==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
267
268
269 (((
270 (% 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/]]**
271 )))
272
273
274 [[image:image-20220602103227-6.png]]
275
276
277 [[image:image-20220602103357-7.png]]
278
279
280
281 (% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
282 (% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
283
284
285 [[image:image-20220602103844-8.png]]
286
287
288
289 (% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
290 (% style="color:blue" %)**3. Select the bin file to burn**
291
292
293 [[image:image-20220602104144-9.png]]
294
295
296 [[image:image-20220602104251-10.png]]
297
298
299 [[image:image-20220602104402-11.png]]
300
301
302
303 (% class="wikigeneratedid" id="HClicktostartthedownload" %)
304 (% style="color:blue" %)**4. Click to start the download**
305
306 [[image:image-20220602104923-13.png]]
307
308
309
310 (% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
311 (% style="color:blue" %)**5. Check update process**
312
313
314 [[image:image-20220602104948-14.png]]
315
316
317
318 (% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
319 (% style="color:blue" %)**The following picture shows that the burning is successful**
320
321 [[image:image-20220602105251-15.png]]
322
323
324
325 = 3.  LA66 USB LoRaWAN Adapter =
326
327
328 == 3.1  Overview ==
329
330
331 [[image:image-20220715001142-3.png||height="145" width="220"]]
332
333
334 (((
335 (% 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.
336 )))
337
338 (((
339 (% 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.
340 )))
341
342 (((
343 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
344 )))
345
346 (((
347 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.
348 )))
349
350 (((
351 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
352 )))
353
354
355
356 == 3.2  Features ==
357
358 * LoRaWAN USB adapter base on LA66 LoRaWAN module
359 * Ultra-long RF range
360 * Support LoRaWAN v1.0.4 protocol
361 * Support peer-to-peer protocol
362 * TCXO crystal to ensure RF performance on low temperature
363 * Spring RF antenna
364 * Available in different frequency LoRaWAN frequency bands.
365 * World-wide unique OTAA keys.
366 * AT Command via UART-TTL interface
367 * Firmware upgradable via UART interface
368 * Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
369
370
371
372 == 3.3  Specification ==
373
374 * CPU: 32-bit 48 MHz
375 * Flash: 256KB
376 * RAM: 64KB
377 * Input Power Range: 5v
378 * Frequency Range: 150 MHz ~~ 960 MHz
379 * Maximum Power +22 dBm constant RF output
380 * High sensitivity: -148 dBm
381 * Temperature:
382 ** Storage: -55 ~~ +125℃
383 ** Operating: -40 ~~ +85℃
384 * Humidity:
385 ** Storage: 5 ~~ 95% (Non-Condensing)
386 ** Operating: 10 ~~ 95% (Non-Condensing)
387 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
388 * LoRa Rx current: <9 mA
389
390
391
392 == 3.4  Pin Mapping & LED ==
393
394
395
396 == 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
397
398
399 (((
400 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
401 )))
402
403
404 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
405
406
407 [[image:image-20220602171217-1.png||height="538" width="800"]]
408
409
410 Open the serial port tool
411
412 [[image:image-20220602161617-8.png]]
413
414 [[image:image-20220602161718-9.png||height="457" width="800"]]
415
416
417
418 (% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
419
420 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
421
422
423 [[image:image-20220602161935-10.png||height="498" width="800"]]
424
425
426
427 (% style="color:blue" %)**3. See Uplink Command**
428
429 Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
430
431 example: AT+SENDB=01,02,8,05820802581ea0a5
432
433 [[image:image-20220602162157-11.png||height="497" width="800"]]
434
435
436
437 (% style="color:blue" %)**4. Check to see if TTN received the message**
438
439 [[image:image-20220602162331-12.png||height="420" width="800"]]
440
441
442
443 == 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
444
445
446 **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]]
447
448
449 (% style="color:red" %)**Preconditions:**
450
451 (% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
452
453 (% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
454
455
456
457 (% style="color:blue" %)**Steps for usage:**
458
459 (% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
460
461 (% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
462
463 [[image:image-20220602115852-3.png||height="450" width="1187"]]
464
465
466
467 == 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
468
469
470 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
471
472
473 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
474
475 [[image:image-20220602171233-2.png||height="538" width="800"]]
476
477
478
479 (% style="color:blue" %)**2. Install Minicom in RPi.**
480
481 (% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
482
483 (% style="background-color:yellow" %)**apt update**
484
485 (% style="background-color:yellow" %)**apt install minicom**
486
487
488 Use minicom to connect to the RPI's terminal
489
490 [[image:image-20220602153146-3.png||height="439" width="500"]]
491
492
493
494 (% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
495
496 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
497
498
499 [[image:image-20220602154928-5.png||height="436" width="500"]]
500
501
502
503 (% style="color:blue" %)**4. Send Uplink message**
504
505 Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
506
507 example: AT+SENDB=01,02,8,05820802581ea0a5
508
509
510 [[image:image-20220602160339-6.png||height="517" width="600"]]
511
512
513
514 Check to see if TTN received the message
515
516 [[image:image-20220602160627-7.png||height="369" width="800"]]
517
518
519
520 == 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
521
522
523
524 == 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
525
526
527
528
529 = 4.  Order Info =
530
531
532 **Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
533
534
535 (% style="color:blue" %)**XXX**(%%): The default frequency band
536
537 * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
538 * (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
539 * (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
540 * (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
541 * (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
542 * (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
543 * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
544 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
545 * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
546
547
548 = 5.  Reference =
549
550 * 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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