Wiki source code of LA66 LoRaWAN Module

Version 100.5 by Xiaoling on 2022/07/19 11:45
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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 == 1.3  Specification ==
66
67 * CPU: 32-bit 48 MHz
68 * Flash: 256KB
69 * RAM: 64KB
70 * Input Power Range: 1.8v ~~ 3.7v
71 * Power Consumption: < 4uA.
72 * Frequency Range: 150 MHz ~~ 960 MHz
73 * Maximum Power +22 dBm constant RF output
74 * High sensitivity: -148 dBm
75 * Temperature:
76 ** Storage: -55 ~~ +125℃
77 ** Operating: -40 ~~ +85℃
78 * Humidity:
79 ** Storage: 5 ~~ 95% (Non-Condensing)
80 ** Operating: 10 ~~ 95% (Non-Condensing)
81 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
82 * LoRa Rx current: <9 mA
83 * I/O Voltage: 3.3v
84
85 == 1.4  AT Command ==
86
87
88 AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
89
90
91
92 == 1.5  Dimension ==
93
94 [[image:image-20220718094750-3.png]]
95
96
97
98
99 == 1.6  Pin Mapping ==
100
101
102 [[image:image-20220719093156-1.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 v1.0.4 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.
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 == 2.3  Specification ==
170
171 * CPU: 32-bit 48 MHz
172 * Flash: 256KB
173 * RAM: 64KB
174 * Input Power Range: 1.8v ~~ 3.7v
175 * Power Consumption: < 4uA.
176 * Frequency Range: 150 MHz ~~ 960 MHz
177 * Maximum Power +22 dBm constant RF output
178 * High sensitivity: -148 dBm
179 * Temperature:
180 ** Storage: -55 ~~ +125℃
181 ** Operating: -40 ~~ +85℃
182 * Humidity:
183 ** Storage: 5 ~~ 95% (Non-Condensing)
184 ** Operating: 10 ~~ 95% (Non-Condensing)
185 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
186 * LoRa Rx current: <9 mA
187 * I/O Voltage: 3.3v
188
189 == 2.4  Pin Mapping & LED ==
190
191
192
193 == 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
194
195
196
197 == 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
198
199
200
201 == 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
202
203
204
205 == 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
206
207
208 === 2.8.1  Items needed for update ===
209
210 1. LA66 LoRaWAN Shield
211 1. Arduino
212 1. USB TO TTL Adapter
213
214 [[image:image-20220602100052-2.png||height="385" width="600"]]
215
216
217 === 2.8.2  Connection ===
218
219
220 [[image:image-20220602101311-3.png||height="276" width="600"]]
221
222
223 (((
224 (% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
225 )))
226
227 (((
228 (% style="background-color:yellow" %)**GND  <-> GND
229 TXD  <->  TXD
230 RXD  <->  RXD**
231 )))
232
233
234 Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
235
236 Connect USB TTL Adapter to PC after connecting the wires
237
238
239 [[image:image-20220602102240-4.png||height="304" width="600"]]
240
241
242 === 2.8.3  Upgrade steps ===
243
244
245 ==== 1.  Switch SW1 to put in ISP position ====
246
247
248 [[image:image-20220602102824-5.png||height="306" width="600"]]
249
250
251
252 ==== 2.  Press the RST switch once ====
253
254
255 [[image:image-20220602104701-12.png||height="285" width="600"]]
256
257
258
259 ==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
260
261
262 (((
263 (% 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/]]**
264 )))
265
266
267 [[image:image-20220602103227-6.png]]
268
269
270 [[image:image-20220602103357-7.png]]
271
272
273
274 (% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
275 (% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
276
277
278 [[image:image-20220602103844-8.png]]
279
280
281
282 (% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
283 (% style="color:blue" %)**3. Select the bin file to burn**
284
285
286 [[image:image-20220602104144-9.png]]
287
288
289 [[image:image-20220602104251-10.png]]
290
291
292 [[image:image-20220602104402-11.png]]
293
294
295
296 (% class="wikigeneratedid" id="HClicktostartthedownload" %)
297 (% style="color:blue" %)**4. Click to start the download**
298
299 [[image:image-20220602104923-13.png]]
300
301
302
303 (% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
304 (% style="color:blue" %)**5. Check update process**
305
306
307 [[image:image-20220602104948-14.png]]
308
309
310
311 (% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
312 (% style="color:blue" %)**The following picture shows that the burning is successful**
313
314 [[image:image-20220602105251-15.png]]
315
316
317
318 = 3.  LA66 USB LoRaWAN Adapter =
319
320
321 == 3.1  Overview ==
322
323
324 [[image:image-20220715001142-3.png||height="145" width="220"]]
325
326
327 (((
328 (% 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.
329 )))
330
331 (((
332 (% 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.
333 )))
334
335 (((
336 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
337 )))
338
339 (((
340 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.
341 )))
342
343 (((
344 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
345 )))
346
347
348
349 == 3.2  Features ==
350
351 * LoRaWAN USB adapter base on LA66 LoRaWAN module
352 * Ultra-long RF range
353 * Support LoRaWAN v1.0.4 protocol
354 * Support peer-to-peer protocol
355 * TCXO crystal to ensure RF performance on low temperature
356 * Spring RF antenna
357 * Available in different frequency LoRaWAN frequency bands.
358 * World-wide unique OTAA keys.
359 * AT Command via UART-TTL interface
360 * Firmware upgradable via UART interface
361 * Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
362
363
364
365 == 3.3  Specification ==
366
367 * CPU: 32-bit 48 MHz
368 * Flash: 256KB
369 * RAM: 64KB
370 * Input Power Range: 5v
371 * Frequency Range: 150 MHz ~~ 960 MHz
372 * Maximum Power +22 dBm constant RF output
373 * High sensitivity: -148 dBm
374 * Temperature:
375 ** Storage: -55 ~~ +125℃
376 ** Operating: -40 ~~ +85℃
377 * Humidity:
378 ** Storage: 5 ~~ 95% (Non-Condensing)
379 ** Operating: 10 ~~ 95% (Non-Condensing)
380 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
381 * LoRa Rx current: <9 mA
382
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-20220602171217-1.png||height="538" width="800"]]
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
442 (% style="color:red" %)**Preconditions:**
443
444 (% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
445
446 (% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
447
448
449
450 (% style="color:blue" %)**Steps for usage:**
451
452 (% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
453
454 (% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
455
456 [[image:image-20220602115852-3.png||height="450" width="1187"]]
457
458
459
460 == 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
461
462
463 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
464
465
466 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
467
468 [[image:image-20220602171233-2.png||height="538" width="800"]]
469
470
471
472 (% style="color:blue" %)**2. Install Minicom in RPi.**
473
474 (% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
475
476 (% style="background-color:yellow" %)**apt update**
477
478 (% style="background-color:yellow" %)**apt install minicom**
479
480
481 Use minicom to connect to the RPI's terminal
482
483 [[image:image-20220602153146-3.png||height="439" width="500"]]
484
485
486
487 (% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
488
489 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
490
491
492 [[image:image-20220602154928-5.png||height="436" width="500"]]
493
494
495
496 (% style="color:blue" %)**4. Send Uplink message**
497
498 Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
499
500 example: AT+SENDB=01,02,8,05820802581ea0a5
501
502
503 [[image:image-20220602160339-6.png||height="517" width="600"]]
504
505
506
507 Check to see if TTN received the message
508
509 [[image:image-20220602160627-7.png||height="369" width="800"]]
510
511
512
513 == 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
514
515
516
517 == 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
518
519
520
521
522 = 4.  Order Info =
523
524
525 **Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
526
527
528 (% style="color:blue" %)**XXX**(%%): The default frequency band
529
530 * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
531 * (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
532 * (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
533 * (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
534 * (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
535 * (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
536 * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
537 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
538 * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
539
540
541
542 = 5.  Reference =
543
544 * 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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