Wiki source code of LA66 LoRaWAN Module

Version 98.3 by Xiaoling on 2022/07/18 09:56
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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 [[image:image-20220715000242-1.png||height="110" width="132"]]
17
18 (% 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.
19 )))
20
21 (((
22 (% 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.
23 )))
24
25 (((
26 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
27 )))
28
29 (((
30 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.
31 )))
32
33 (((
34 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
35 )))
36
37
38 == 1.2  Features ==
39
40 * Support LoRaWAN v1.0.4 protocol
41 * Support peer-to-peer protocol
42 * TCXO crystal to ensure RF performance on low temperature
43 * SMD Antenna pad and i-pex antenna connector
44 * Available in different frequency LoRaWAN frequency bands.
45 * World-wide unique OTAA keys.
46 * AT Command via UART-TTL interface
47 * Firmware upgradable via UART interface
48 * Ultra-long RF range
49
50
51
52 == 1.3  Specification ==
53
54 * CPU: 32-bit 48 MHz
55 * Flash: 256KB
56 * RAM: 64KB
57 * Input Power Range: 1.8v ~~ 3.7v
58 * Power Consumption: < 4uA.
59 * Frequency Range: 150 MHz ~~ 960 MHz
60 * Maximum Power +22 dBm constant RF output
61 * High sensitivity: -148 dBm
62 * Temperature:
63 ** Storage: -55 ~~ +125℃
64 ** Operating: -40 ~~ +85℃
65 * Humidity:
66 ** Storage: 5 ~~ 95% (Non-Condensing)
67 ** Operating: 10 ~~ 95% (Non-Condensing)
68 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
69 * LoRa Rx current: <9 mA
70 * I/O Voltage: 3.3v
71
72
73
74
75 == 1.4  AT Command ==
76
77
78 AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
79
80
81 == 1.5  Dimension ==
82
83 [[image:image-20220718094750-3.png]]
84
85
86
87
88 == 1.6  Pin Mapping ==
89
90
91 [[image:image-20220523101537-1.png]]
92
93
94
95 == 1.7  Land Pattern ==
96
97 [[image:image-20220517072821-2.png]]
98
99
100
101 = 2.  LA66 LoRaWAN Shield =
102
103
104 == 2.1  Overview ==
105
106
107 [[image:image-20220715000826-2.png||height="386" width="449"]]
108
109
110 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.
111
112 (((
113 (% 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.
114 )))
115
116 (((
117 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
118 )))
119
120 (((
121 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.
122 )))
123
124 (((
125 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
126 )))
127
128
129 == 2.2  Features ==
130
131 * Arduino Shield base on LA66 LoRaWAN module
132 * Support LoRaWAN v1.0.4 protocol
133 * Support peer-to-peer protocol
134 * TCXO crystal to ensure RF performance on low temperature
135 * SMA connector
136 * Available in different frequency LoRaWAN frequency bands.
137 * World-wide unique OTAA keys.
138 * AT Command via UART-TTL interface
139 * Firmware upgradable via UART interface
140 * Ultra-long RF range
141
142 == 2.3  Specification ==
143
144 * CPU: 32-bit 48 MHz
145 * Flash: 256KB
146 * RAM: 64KB
147 * Input Power Range: 1.8v ~~ 3.7v
148 * Power Consumption: < 4uA.
149 * Frequency Range: 150 MHz ~~ 960 MHz
150 * Maximum Power +22 dBm constant RF output
151 * High sensitivity: -148 dBm
152 * Temperature:
153 ** Storage: -55 ~~ +125℃
154 ** Operating: -40 ~~ +85℃
155 * Humidity:
156 ** Storage: 5 ~~ 95% (Non-Condensing)
157 ** Operating: 10 ~~ 95% (Non-Condensing)
158 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
159 * LoRa Rx current: <9 mA
160 * I/O Voltage: 3.3v
161
162 == 2.4  Pin Mapping & LED ==
163
164
165
166 == 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
167
168
169
170 == 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
171
172
173
174 == 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
175
176
177
178 == 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
179
180
181 === 2.8.1  Items needed for update ===
182
183 1. LA66 LoRaWAN Shield
184 1. Arduino
185 1. USB TO TTL Adapter
186
187 [[image:image-20220602100052-2.png||height="385" width="600"]]
188
189
190 === 2.8.2  Connection ===
191
192
193 [[image:image-20220602101311-3.png||height="276" width="600"]]
194
195
196 (((
197 (% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
198 )))
199
200 (((
201 (% style="background-color:yellow" %)**GND  <-> GND
202 TXD  <->  TXD
203 RXD  <->  RXD**
204 )))
205
206
207 Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
208
209 Connect USB TTL Adapter to PC after connecting the wires
210
211
212 [[image:image-20220602102240-4.png||height="304" width="600"]]
213
214
215 === 2.8.3  Upgrade steps ===
216
217
218 ==== 1.  Switch SW1 to put in ISP position ====
219
220
221 [[image:image-20220602102824-5.png||height="306" width="600"]]
222
223
224
225 ==== 2.  Press the RST switch once ====
226
227
228 [[image:image-20220602104701-12.png||height="285" width="600"]]
229
230
231
232 ==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
233
234
235 (((
236 (% 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/]]**
237 )))
238
239
240 [[image:image-20220602103227-6.png]]
241
242
243 [[image:image-20220602103357-7.png]]
244
245
246
247 (% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
248 (% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
249
250
251 [[image:image-20220602103844-8.png]]
252
253
254
255 (% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
256 (% style="color:blue" %)**3. Select the bin file to burn**
257
258
259 [[image:image-20220602104144-9.png]]
260
261
262 [[image:image-20220602104251-10.png]]
263
264
265 [[image:image-20220602104402-11.png]]
266
267
268
269 (% class="wikigeneratedid" id="HClicktostartthedownload" %)
270 (% style="color:blue" %)**4. Click to start the download**
271
272 [[image:image-20220602104923-13.png]]
273
274
275
276 (% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
277 (% style="color:blue" %)**5. Check update process**
278
279
280 [[image:image-20220602104948-14.png]]
281
282
283
284 (% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
285 (% style="color:blue" %)**The following picture shows that the burning is successful**
286
287 [[image:image-20220602105251-15.png]]
288
289
290
291 = 3.  LA66 USB LoRaWAN Adapter =
292
293
294 == 3.1  Overview ==
295
296 [[image:image-20220715001142-3.png||height="145" width="220"]]
297
298 (% 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.
299
300 (% 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.
301
302 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
303
304 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.
305
306 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
307
308
309 == 3.2  Features ==
310
311 * LoRaWAN USB adapter base on LA66 LoRaWAN module
312 * Ultra-long RF range
313 * Support LoRaWAN v1.0.4 protocol
314 * Support peer-to-peer protocol
315 * TCXO crystal to ensure RF performance on low temperature
316 * Spring RF antenna
317 * Available in different frequency LoRaWAN frequency bands.
318 * World-wide unique OTAA keys.
319 * AT Command via UART-TTL interface
320 * Firmware upgradable via UART interface
321 * Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
322
323 == 3.3  Specification ==
324
325 * CPU: 32-bit 48 MHz
326 * Flash: 256KB
327 * RAM: 64KB
328 * Input Power Range: 5v
329 * Frequency Range: 150 MHz ~~ 960 MHz
330 * Maximum Power +22 dBm constant RF output
331 * High sensitivity: -148 dBm
332 * Temperature:
333 ** Storage: -55 ~~ +125℃
334 ** Operating: -40 ~~ +85℃
335 * Humidity:
336 ** Storage: 5 ~~ 95% (Non-Condensing)
337 ** Operating: 10 ~~ 95% (Non-Condensing)
338 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
339 * LoRa Rx current: <9 mA
340
341 == 3.4  Pin Mapping & LED ==
342
343
344
345 == 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
346
347
348 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
349
350
351 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
352
353
354 [[image:image-20220602171217-1.png||height="538" width="800"]]
355
356
357 Open the serial port tool
358
359 [[image:image-20220602161617-8.png]]
360
361 [[image:image-20220602161718-9.png||height="457" width="800"]]
362
363
364
365 (% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
366
367 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
368
369
370 [[image:image-20220602161935-10.png||height="498" width="800"]]
371
372
373
374 (% style="color:blue" %)**3. See Uplink Command**
375
376 Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
377
378 example: AT+SENDB=01,02,8,05820802581ea0a5
379
380 [[image:image-20220602162157-11.png||height="497" width="800"]]
381
382
383
384 (% style="color:blue" %)**4. Check to see if TTN received the message**
385
386 [[image:image-20220602162331-12.png||height="420" width="800"]]
387
388
389
390 == 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
391
392
393 **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]]
394
395
396 (% style="color:red" %)**Preconditions:**
397
398 (% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
399
400 (% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
401
402
403
404 (% style="color:blue" %)**Steps for usage:**
405
406 (% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
407
408 (% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
409
410 [[image:image-20220602115852-3.png||height="450" width="1187"]]
411
412
413
414 == 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
415
416
417 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
418
419
420 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
421
422 [[image:image-20220602171233-2.png||height="538" width="800"]]
423
424
425
426 (% style="color:blue" %)**2. Install Minicom in RPi.**
427
428 (% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
429
430 (% style="background-color:yellow" %)**apt update**
431
432 (% style="background-color:yellow" %)**apt install minicom**
433
434
435 Use minicom to connect to the RPI's terminal
436
437 [[image:image-20220602153146-3.png||height="439" width="500"]]
438
439
440
441 (% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
442
443 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
444
445
446 [[image:image-20220602154928-5.png||height="436" width="500"]]
447
448
449
450 (% style="color:blue" %)**4. Send Uplink message**
451
452 Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
453
454 example: AT+SENDB=01,02,8,05820802581ea0a5
455
456
457 [[image:image-20220602160339-6.png||height="517" width="600"]]
458
459
460
461 Check to see if TTN received the message
462
463 [[image:image-20220602160627-7.png||height="369" width="800"]]
464
465
466
467 == 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
468
469
470
471 == 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
472
473
474
475
476 = 4.  Order Info =
477
478
479 **Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
480
481
482 (% style="color:blue" %)**XXX**(%%): The default frequency band
483
484 * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
485 * (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
486 * (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
487 * (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
488 * (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
489 * (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
490 * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
491 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
492 * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
493
494 = 5.  Reference =
495
496 * 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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498
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