Wiki source code of LA66 LoRaWAN Module

Version 87.19 by Xiaoling on 2022/07/13 10:33
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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 (% 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.
17 )))
18
19 (((
20 (% 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.
21 )))
22
23 (((
24 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
25 )))
26
27 (((
28 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.
29 )))
30
31 (((
32 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
33 )))
34
35
36 == 1.2  Features ==
37
38 * Support LoRaWAN v1.0.4 protocol
39 * Support peer-to-peer protocol
40 * TCXO crystal to ensure RF performance on low temperature
41 * SMD Antenna pad and i-pex antenna connector
42 * Available in different frequency LoRaWAN frequency bands.
43 * World-wide unique OTAA keys.
44 * AT Command via UART-TTL interface
45 * Firmware upgradable via UART interface
46 * Ultra-long RF range
47
48
49
50 == 1.3  Specification ==
51
52 * CPU: 32-bit 48 MHz
53 * Flash: 256KB
54 * RAM: 64KB
55 * Input Power Range: 1.8v ~~ 3.7v
56 * Power Consumption: < 4uA.
57 * Frequency Range: 150 MHz ~~ 960 MHz
58 * Maximum Power +22 dBm constant RF output
59 * High sensitivity: -148 dBm
60 * Temperature:
61 ** Storage: -55 ~~ +125℃
62 ** Operating: -40 ~~ +85℃
63 * Humidity:
64 ** Storage: 5 ~~ 95% (Non-Condensing)
65 ** Operating: 10 ~~ 95% (Non-Condensing)
66 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
67 * LoRa Rx current: <9 mA
68 * I/O Voltage: 3.3v
69
70
71
72 == 1.4  AT Command ==
73
74 AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
75
76
77 == 1.5  Dimension ==
78
79 [[image:image-20220517072526-1.png]]
80
81
82
83 == 1.6  Pin Mapping ==
84
85
86 [[image:image-20220523101537-1.png]]
87
88
89
90 == 1.7  Land Pattern ==
91
92 [[image:image-20220517072821-2.png]]
93
94
95
96 = 2.  LA66 LoRaWAN Shield =
97
98
99 == 2.1  Overview ==
100
101 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.
102
103
104 == 2.2  Features ==
105
106 * Arduino Shield base on LA66 LoRaWAN module
107 * Support LoRaWAN v1.0.4 protocol
108 * Support peer-to-peer protocol
109 * TCXO crystal to ensure RF performance on low temperature
110 * SMA connector
111 * Available in different frequency LoRaWAN frequency bands.
112 * World-wide unique OTAA keys.
113 * AT Command via UART-TTL interface
114 * Firmware upgradable via UART interface
115 * Ultra-long RF range
116
117
118
119 == 2.3  Specification ==
120
121 * CPU: 32-bit 48 MHz
122 * Flash: 256KB
123 * RAM: 64KB
124 * Input Power Range: 1.8v ~~ 3.7v
125 * Power Consumption: < 4uA.
126 * Frequency Range: 150 MHz ~~ 960 MHz
127 * Maximum Power +22 dBm constant RF output
128 * High sensitivity: -148 dBm
129 * Temperature:
130 ** Storage: -55 ~~ +125℃
131 ** Operating: -40 ~~ +85℃
132 * Humidity:
133 ** Storage: 5 ~~ 95% (Non-Condensing)
134 ** Operating: 10 ~~ 95% (Non-Condensing)
135 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
136 * LoRa Rx current: <9 mA
137 * I/O Voltage: 3.3v
138
139
140
141 == 2.4  Pin Mapping & LED ==
142
143
144
145 == 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
146
147
148
149 == 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
150
151
152
153 == 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
154
155
156
157 == 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
158
159
160 === 2.8.1  Items needed for update ===
161
162 1. LA66 LoRaWAN Shield
163 1. Arduino
164 1. USB TO TTL Adapter
165
166
167
168
169 [[image:image-20220602100052-2.png||height="385" width="600"]]
170
171
172 === 2.8.2  Connection ===
173
174
175 [[image:image-20220602101311-3.png||height="276" width="600"]]
176
177
178 (((
179 (% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
180 )))
181
182 (((
183 (% style="background-color:yellow" %)**GND  <-> GND
184 TXD  <->  TXD
185 RXD  <->  RXD**
186 )))
187
188
189 Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
190
191 Connect USB TTL Adapter to PC after connecting the wires
192
193
194 [[image:image-20220602102240-4.png||height="304" width="600"]]
195
196
197 === 2.8.3  Upgrade steps ===
198
199
200 ==== 1.  Switch SW1 to put in ISP position ====
201
202
203 [[image:image-20220602102824-5.png||height="306" width="600"]]
204
205
206
207 ==== 2.  Press the RST switch once ====
208
209
210 [[image:image-20220602104701-12.png||height="285" width="600"]]
211
212
213
214 ==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
215
216
217 (((
218 (% 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/]]**
219 )))
220
221
222 [[image:image-20220602103227-6.png]]
223
224
225 [[image:image-20220602103357-7.png]]
226
227
228
229 (% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
230 (% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
231
232
233 [[image:image-20220602103844-8.png]]
234
235
236
237 (% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
238 (% style="color:blue" %)**3. Select the bin file to burn**
239
240
241 [[image:image-20220602104144-9.png]]
242
243
244 [[image:image-20220602104251-10.png]]
245
246
247 [[image:image-20220602104402-11.png]]
248
249
250
251 (% class="wikigeneratedid" id="HClicktostartthedownload" %)
252 (% style="color:blue" %)**4. Click to start the download**
253
254 [[image:image-20220602104923-13.png]]
255
256
257
258 (% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
259 (% style="color:blue" %)**5. Check update process**
260
261
262 [[image:image-20220602104948-14.png]]
263
264
265
266 (% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
267 (% style="color:blue" %)**The following picture shows that the burning is successful**
268
269 [[image:image-20220602105251-15.png]]
270
271
272
273 = 3.  LA66 USB LoRaWAN Adapter =
274
275
276 == 3.1  Overview ==
277
278 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.
279
280
281 == 3.2  Features ==
282
283 * LoRaWAN USB adapter base on LA66 LoRaWAN module
284 * Ultra-long RF range
285 * Support LoRaWAN v1.0.4 protocol
286 * Support peer-to-peer protocol
287 * TCXO crystal to ensure RF performance on low temperature
288 * Spring RF antenna
289 * Available in different frequency LoRaWAN frequency bands.
290 * World-wide unique OTAA keys.
291 * AT Command via UART-TTL interface
292 * Firmware upgradable via UART interface
293
294
295
296 == 3.3  Specification ==
297
298 * CPU: 32-bit 48 MHz
299 * Flash: 256KB
300 * RAM: 64KB
301 * Input Power Range: 5v
302 * Frequency Range: 150 MHz ~~ 960 MHz
303 * Maximum Power +22 dBm constant RF output
304 * High sensitivity: -148 dBm
305 * Temperature:
306 ** Storage: -55 ~~ +125℃
307 ** Operating: -40 ~~ +85℃
308 * Humidity:
309 ** Storage: 5 ~~ 95% (Non-Condensing)
310 ** Operating: 10 ~~ 95% (Non-Condensing)
311 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
312 * LoRa Rx current: <9 mA
313
314
315
316 == 3.4  Pin Mapping & LED ==
317
318
319
320 == 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
321
322
323 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
324
325
326 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
327
328
329 [[image:image-20220602171217-1.png||height="538" width="800"]]
330
331
332 Open the serial port tool
333
334 [[image:image-20220602161617-8.png]]
335
336 [[image:image-20220602161718-9.png||height="457" width="800"]]
337
338
339
340 (% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
341
342 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
343
344
345 [[image:image-20220602161935-10.png||height="498" width="800"]]
346
347
348
349 (% style="color:blue" %)**3. See Uplink Command**
350
351 Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
352
353 example: AT+SENDB=01,02,8,05820802581ea0a5
354
355 [[image:image-20220602162157-11.png||height="497" width="800"]]
356
357
358
359 (% style="color:blue" %)**4. Check to see if TTN received the message**
360
361 [[image:image-20220602162331-12.png||height="420" width="800"]]
362
363
364
365 == 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
366
367
368 **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]]
369
370
371 (% style="color:red" %)**Preconditions:**
372
373 (% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
374
375 (% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
376
377
378
379 (% style="color:blue" %)**Steps for usage:**
380
381 (% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
382
383 (% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
384
385 [[image:image-20220602115852-3.png||height="450" width="1187"]]
386
387
388
389 == 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
390
391
392 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
393
394
395 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
396
397 [[image:image-20220602171233-2.png||height="538" width="800"]]
398
399
400
401 (% style="color:blue" %)**2. Install Minicom in RPi.**
402
403 (% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
404
405 (% style="background-color:yellow" %)**apt update**
406
407 (% style="background-color:yellow" %)**apt install minicom**
408
409
410 Use minicom to connect to the RPI's terminal
411
412 [[image:image-20220602153146-3.png||height="439" width="500"]]
413
414
415
416 (% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
417
418 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
419
420
421 [[image:image-20220602154928-5.png||height="436" width="500"]]
422
423
424
425 (% style="color:blue" %)**4. Send Uplink message**
426
427 Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
428
429 example: AT+SENDB=01,02,8,05820802581ea0a5
430
431
432 [[image:image-20220602160339-6.png||height="517" width="600"]]
433
434
435
436 Check to see if TTN received the message
437
438 [[image:image-20220602160627-7.png||height="369" width="800"]]
439
440
441
442 == 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
443
444
445
446 == 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
447
448
449
450
451 = 4.  Order Info =
452
453
454 **Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
455
456
457 (% style="color:blue" %)**XXX**(%%): The default frequency band
458
459 * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
460 * (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
461 * (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
462 * (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
463 * (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
464 * (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
465 * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
466 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
467 * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
468
469
470
471 = 5.  Reference =
472
473 * Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
474
475

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