<
From version < 87.17 >
edited by Xiaoling
on 2022/07/13 10:13
To version < 71.1 >
edited by Edwin Chen
on 2022/07/03 00:00
>
Change comment: There is no comment for this version

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1 -XWiki.Xiaoling
1 +XWiki.Edwin
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1 -
2 -
3 -**Table of Contents:**
4 -
1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
5 5  {{toc/}}
3 +{{/box}}
6 6  
5 += LA66 LoRaWAN Module =
7 7  
7 +== What is LA66 LoRaWAN Module ==
8 8  
9 -= 1.  LA66 LoRaWAN Module =
10 -
11 -
12 -== 1.1  What is LA66 LoRaWAN Module ==
13 -
14 -
15 -(((
16 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 18  
19 -(((
20 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 22  
23 -(((
24 24  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
25 -)))
26 26  
27 -(((
28 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 30  
31 -(((
32 32  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
33 -)))
34 34  
35 35  
36 -== 1.2  Features ==
20 +== Features ==
37 37  
38 38  * Support LoRaWAN v1.0.4 protocol
39 39  * Support peer-to-peer protocol
... ... @@ -46,9 +46,8 @@
46 46  * Ultra-long RF range
47 47  
48 48  
33 +== Specification ==
49 49  
50 -== 1.3  Specification ==
51 -
52 52  * CPU: 32-bit 48 MHz
53 53  * Flash: 256KB
54 54  * RAM: 64KB
... ... @@ -67,41 +67,51 @@
67 67  * LoRa Rx current: <9 mA
68 68  * I/O Voltage: 3.3v
69 69  
53 +== AT Command ==
70 70  
71 -
72 -== 1.4  AT Command ==
73 -
74 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 75  
76 76  
77 -== 1.5  Dimension ==
58 +== Dimension ==
78 78  
79 79  [[image:image-20220517072526-1.png]]
80 80  
81 81  
63 +== Pin Mapping ==
82 82  
83 -== 1.6  Pin Mapping ==
65 +[[image:image-20220523101537-1.png]]
84 84  
67 +== Land Pattern ==
85 85  
86 -[[image:image-20220523101537-1.png]]
69 +[[image:image-20220517072821-2.png]]
87 87  
88 88  
72 +== Part Number ==
89 89  
90 -== 1.7  Land Pattern ==
74 +Part Number: **LA66-XXX**
91 91  
92 -[[image:image-20220517072821-2.png]]
76 +**XX**: The default frequency band
93 93  
78 +* **AS923**: LoRaWAN AS923 band
79 +* **AU915**: LoRaWAN AU915 band
80 +* **EU433**: LoRaWAN EU433 band
81 +* **EU868**: LoRaWAN EU868 band
82 +* **KR920**: LoRaWAN KR920 band
83 +* **US915**: LoRaWAN US915 band
84 +* **IN865**: LoRaWAN IN865 band
85 +* **CN470**: LoRaWAN CN470 band
86 +* **PP**: Peer to Peer LoRa Protocol
94 94  
95 95  
96 -= 2.  LA66 LoRaWAN Shield =
97 97  
90 += LA66 LoRaWAN Shield =
98 98  
99 -== 2.1  Overview ==
92 +== Overview ==
100 100  
101 101  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.
102 102  
103 103  
104 -== 2.2  Features ==
97 +== Features ==
105 105  
106 106  * Arduino Shield base on LA66 LoRaWAN module
107 107  * Support LoRaWAN v1.0.4 protocol
... ... @@ -115,9 +115,8 @@
115 115  * Ultra-long RF range
116 116  
117 117  
111 +== Specification ==
118 118  
119 -== 2.3  Specification ==
120 -
121 121  * CPU: 32-bit 48 MHz
122 122  * Flash: 256KB
123 123  * RAM: 64KB
... ... @@ -137,337 +137,182 @@
137 137  * I/O Voltage: 3.3v
138 138  
139 139  
132 +== Pin Mapping & LED ==
140 140  
141 -== 2.4  Pin Mapping & LED ==
134 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
142 142  
136 +== Example: Join TTN network and send an uplink message, get downlink message. ==
143 143  
138 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
144 144  
145 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
140 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
146 146  
142 +=== what needs to be used ===
147 147  
144 +1.LA66 LoRaWAN Shield that needs to be upgraded
148 148  
149 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
146 +2.Arduino
150 150  
148 +3.USB TO TTL
151 151  
150 +[[image:image-20220602100052-2.png]]
152 152  
153 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
152 +=== Wiring Schematic ===
154 154  
154 +[[image:image-20220602101311-3.png]]
155 155  
156 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
156 156  
157 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
158 +GND  >>>>>>>>>>>>GND
158 158  
160 +TXD  >>>>>>>>>>>>TXD
159 159  
160 -=== 2.8.1  Items needed for update ===
162 +RXD  >>>>>>>>>>>>RXD
161 161  
162 -1. LA66 LoRaWAN Shield
163 -1. Arduino
164 -1. USB TO TTL Adapter
164 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
165 165  
166 +Connect to the PC after connecting the wires
166 166  
168 +[[image:image-20220602102240-4.png]]
167 167  
170 +=== Upgrade steps ===
168 168  
169 -[[image:image-20220602100052-2.png||height="385" width="600"]]
172 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
170 170  
174 +[[image:image-20220602102824-5.png]]
171 171  
172 -=== 2.8.2  Connection ===
176 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
173 173  
178 +[[image:image-20220602104701-12.png]]
174 174  
175 -[[image:image-20220602101311-3.png||height="276" width="600"]]
180 +==== Open the upgrade application software ====
176 176  
182 +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/]]
177 177  
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 -(% 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/]]**
218 -
219 -
220 220  [[image:image-20220602103227-6.png]]
221 221  
222 -
223 223  [[image:image-20220602103357-7.png]]
224 224  
188 +===== Select the COM port corresponding to USB TTL =====
225 225  
226 -
227 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
228 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
229 -
230 -
231 231  [[image:image-20220602103844-8.png]]
232 232  
192 +===== Select the bin file to burn =====
233 233  
234 -
235 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
236 -(% style="color:blue" %)**3. Select the bin file to burn**
237 -
238 -
239 239  [[image:image-20220602104144-9.png]]
240 240  
241 -
242 242  [[image:image-20220602104251-10.png]]
243 243  
244 -
245 245  [[image:image-20220602104402-11.png]]
246 246  
200 +===== Click to start the download =====
247 247  
248 -
249 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
250 -(% style="color:blue" %)**4. Click to start the download**
251 -
252 252  [[image:image-20220602104923-13.png]]
253 253  
204 +===== The following figure appears to prove that the burning is in progress =====
254 254  
255 -
256 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
257 -(% style="color:blue" %)**5. Check update process**
258 -
259 -
260 260  [[image:image-20220602104948-14.png]]
261 261  
208 +===== The following picture appears to prove that the burning is successful =====
262 262  
263 -
264 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
265 -(% style="color:blue" %)**The following picture shows that the burning is successful**
266 -
267 267  [[image:image-20220602105251-15.png]]
268 268  
212 += LA66 USB LoRaWAN Adapter =
269 269  
214 +LA66 USB LoRaWAN Adapter is the USB Adapter for LA66, it combines a USB TTL Chip and LA66 module which can easy to test the LoRaWAN feature by using PC or embedded device which has USB Interface.
270 270  
271 -= 3.  LA66 USB LoRaWAN Adapter =
216 +Before use, please make sure that the computer has installed the CP2102 driver
272 272  
218 +== Pin Mapping & LED ==
273 273  
274 -== 3.1  Overview ==
220 +== Example Send & Get Messages via LoRaWAN in PC ==
275 275  
276 -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.
222 +Connect the LA66 LoRa Shield to the PC
277 277  
224 +[[image:image-20220602171217-1.png||height="615" width="915"]]
278 278  
279 -== 3.2  Features ==
280 -
281 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
282 -* Ultra-long RF range
283 -* Support LoRaWAN v1.0.4 protocol
284 -* Support peer-to-peer protocol
285 -* TCXO crystal to ensure RF performance on low temperature
286 -* Spring RF antenna
287 -* Available in different frequency LoRaWAN frequency bands.
288 -* World-wide unique OTAA keys.
289 -* AT Command via UART-TTL interface
290 -* Firmware upgradable via UART interface
291 -
292 -
293 -
294 -== 3.3  Specification ==
295 -
296 -* CPU: 32-bit 48 MHz
297 -* Flash: 256KB
298 -* RAM: 64KB
299 -* Input Power Range: 5v
300 -* Frequency Range: 150 MHz ~~ 960 MHz
301 -* Maximum Power +22 dBm constant RF output
302 -* High sensitivity: -148 dBm
303 -* Temperature:
304 -** Storage: -55 ~~ +125℃
305 -** Operating: -40 ~~ +85℃
306 -* Humidity:
307 -** Storage: 5 ~~ 95% (Non-Condensing)
308 -** Operating: 10 ~~ 95% (Non-Condensing)
309 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
310 -* LoRa Rx current: <9 mA
311 -
312 -
313 -
314 -== 3.4  Pin Mapping & LED ==
315 -
316 -
317 -
318 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
319 -
320 -
321 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
322 -
323 -
324 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
325 -
326 -
327 -[[image:image-20220602171217-1.png||height="538" width="800"]]
328 -
329 -
330 330  Open the serial port tool
331 331  
332 332  [[image:image-20220602161617-8.png]]
333 333  
334 -[[image:image-20220602161718-9.png||height="457" width="800"]]
230 +[[image:image-20220602161718-9.png||height="529" width="927"]]
335 335  
232 +Press the reset switch RST on the LA66 LoRa Shield.
336 336  
234 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
337 337  
338 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
236 +[[image:image-20220602161935-10.png]]
339 339  
340 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
238 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
341 341  
342 -
343 -[[image:image-20220602161935-10.png||height="498" width="800"]]
344 -
345 -
346 -
347 -(% style="color:blue" %)**3. See Uplink Command**
348 -
349 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
350 -
351 351  example: AT+SENDB=01,02,8,05820802581ea0a5
352 352  
353 -[[image:image-20220602162157-11.png||height="497" width="800"]]
242 +[[image:image-20220602162157-11.png]]
354 354  
244 +Check to see if TTN received the message
355 355  
246 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
356 356  
357 -(% style="color:blue" %)**4. Check to see if TTN received the message**
248 +== Example Send & Get Messages via LoRaWAN in RPi ==
358 358  
359 -[[image:image-20220602162331-12.png||height="420" width="800"]]
250 +Connect the LA66 LoRa Shield to the RPI
360 360  
252 +[[image:image-20220602171233-2.png||height="592" width="881"]]
361 361  
254 +Log in to the RPI's terminal and connect to the serial port
362 362  
363 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
256 +[[image:image-20220602153146-3.png]]
364 364  
258 +Press the reset switch RST on the LA66 LoRa Shield.
259 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
365 365  
366 -**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]]
261 +[[image:image-20220602154928-5.png]]
367 367  
263 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
368 368  
369 -(% style="color:red" %)**Preconditions:**
370 -
371 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
372 -
373 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
374 -
375 -
376 -
377 -(% style="color:blue" %)**Steps for usage:**
378 -
379 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
380 -
381 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
382 -
383 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
384 -
385 -
386 -
387 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
388 -
389 -
390 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
391 -
392 -
393 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
394 -
395 -[[image:image-20220602171233-2.png||height="538" width="800"]]
396 -
397 -
398 -
399 -(% style="color:blue" %)**2. Install Minicom in RPi.**
400 -
401 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
402 -
403 - (% style="background-color:yellow" %)**apt update**
404 -
405 - (% style="background-color:yellow" %)**apt install minicom**
406 -
407 -
408 -Use minicom to connect to the RPI's terminal
409 -
410 -[[image:image-20220602153146-3.png||height="439" width="500"]]
411 -
412 -
413 -
414 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
415 -
416 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
417 -
418 -
419 -[[image:image-20220602154928-5.png||height="436" width="500"]]
420 -
421 -
422 -
423 -(% style="color:blue" %)**4. Send Uplink message**
424 -
425 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
426 -
427 427  example: AT+SENDB=01,02,8,05820802581ea0a5
428 428  
267 +[[image:image-20220602160339-6.png]]
429 429  
430 -[[image:image-20220602160339-6.png||height="517" width="600"]]
431 -
432 -
433 -
434 434  Check to see if TTN received the message
435 435  
436 -[[image:image-20220602160627-7.png||height="369" width="800"]]
271 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
437 437  
273 +=== Install Minicom ===
438 438  
275 +Enter the following command in the RPI terminal
439 439  
440 -== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
277 +apt update
441 441  
279 +[[image:image-20220602143155-1.png]]
442 442  
281 +apt install minicom
443 443  
444 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
283 +[[image:image-20220602143744-2.png]]
445 445  
285 +=== Send PC's CPU/RAM usage to TTN via script. ===
446 446  
287 +==== Take python as an example: ====
447 447  
289 +===== Preconditions: =====
448 448  
449 -= 4.  Order Info =
291 +1.LA66 USB LoRaWAN Adapter works fine
450 450  
293 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
451 451  
452 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
295 +===== Steps for usage =====
453 453  
297 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
454 454  
455 -(% style="color:blue" %)**XXX**(%%): The default frequency band
299 +2.Run the script and see the TTN
456 456  
457 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
458 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
459 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
460 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
461 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
462 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
463 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
464 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
465 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
301 +[[image:image-20220602115852-3.png]]
466 466  
467 467  
468 468  
469 -= 5.  Reference =
305 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
470 470  
471 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
472 472  
308 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
309 +
473 473  
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