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Last modified by Xiaoling on 2023/09/19 09:20
From version 148.2
edited by Xiaoling
on 2022/09/15 10:45
Change comment: There is no comment for this version
To version 105.1
edited by Herong Lu
on 2022/07/23 10:47
Change comment: Uploaded new attachment "image-20220723104754-4.png", version {1}

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Title
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1 -LA66 LoRaWAN Module User Manual
1 +LA66 LoRaWAN Module
Author
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1 -XWiki.Xiaoling
1 +XWiki.Lu
Content
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52 52  
53 53  == 1.2  Features ==
54 54  
55 -
56 -* Support LoRaWAN v1.0.3 protocol
55 +* Support LoRaWAN v1.0.4 protocol
57 57  * Support peer-to-peer protocol
58 58  * TCXO crystal to ensure RF performance on low temperature
59 59  * SMD Antenna pad and i-pex antenna connector
... ... @@ -65,10 +65,8 @@
65 65  
66 66  
67 67  
68 -
69 69  == 1.3  Specification ==
70 70  
71 -
72 72  * CPU: 32-bit 48 MHz
73 73  * Flash: 256KB
74 74  * RAM: 64KB
... ... @@ -89,17 +89,15 @@
89 89  
90 90  
91 91  
92 -
93 93  == 1.4  AT Command ==
94 94  
95 95  
96 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in[[ AT Command documents>>https://www.dropbox.com/sh/wtq43za8sykpgta/AABAEE02uEAsRU-JV7bzEhMba?dl=0]].
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.
97 97  
98 98  
99 99  
100 100  == 1.5  Dimension ==
101 101  
102 -
103 103  [[image:image-20220718094750-3.png]]
104 104  
105 105  
... ... @@ -112,34 +112,430 @@
112 112  
113 113  == 1.7  Land Pattern ==
114 114  
115 -
116 116  [[image:image-20220517072821-2.png]]
117 117  
118 118  
119 119  
120 -= 2.  FAQ =
114 += 2.  LA66 LoRaWAN Shield =
121 121  
122 122  
123 -== 2.1  How to Compile Source Code for LA66? ==
117 +== 2.1  Overview ==
124 124  
125 125  
126 -Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
120 +(((
121 +[[image:image-20220715000826-2.png||height="145" width="220"]]
122 +)))
127 127  
124 +(((
125 +
126 +)))
128 128  
128 +(((
129 +(% 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.
130 +)))
129 129  
130 -== 2.2 Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
132 +(((
133 +(((
134 +(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 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.
135 +)))
136 +)))
131 131  
138 +(((
139 +(((
140 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
141 +)))
142 +)))
132 132  
133 -Yes, this is possible, user can refer[[ the source code from ASR >>https://github.com/asrlora/asr_lora_6601/tree/master/projects/ASR6601SE-EVAL/examples/lora]]to get examples for how to its I/O Interfaces.
144 +(((
145 +(((
146 +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.
147 +)))
148 +)))
134 134  
150 +(((
151 +(((
152 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
153 +)))
154 +)))
135 135  
136 136  
137 -= 3.  Order Info =
138 138  
158 +== 2.2  Features ==
139 139  
140 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
160 +* Arduino Shield base on LA66 LoRaWAN module
161 +* Support LoRaWAN v1.0.4 protocol
162 +* Support peer-to-peer protocol
163 +* TCXO crystal to ensure RF performance on low temperature
164 +* SMA connector
165 +* Available in different frequency LoRaWAN frequency bands.
166 +* World-wide unique OTAA keys.
167 +* AT Command via UART-TTL interface
168 +* Firmware upgradable via UART interface
169 +* Ultra-long RF range
141 141  
142 142  
172 +
173 +== 2.3  Specification ==
174 +
175 +* CPU: 32-bit 48 MHz
176 +* Flash: 256KB
177 +* RAM: 64KB
178 +* Input Power Range: 1.8v ~~ 3.7v
179 +* Power Consumption: < 4uA.
180 +* Frequency Range: 150 MHz ~~ 960 MHz
181 +* Maximum Power +22 dBm constant RF output
182 +* High sensitivity: -148 dBm
183 +* Temperature:
184 +** Storage: -55 ~~ +125℃
185 +** Operating: -40 ~~ +85℃
186 +* Humidity:
187 +** Storage: 5 ~~ 95% (Non-Condensing)
188 +** Operating: 10 ~~ 95% (Non-Condensing)
189 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
190 +* LoRa Rx current: <9 mA
191 +* I/O Voltage: 3.3v
192 +
193 +
194 +
195 +== 2.4  Pin Mapping & LED ==
196 +
197 +
198 +
199 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
200 +
201 +
202 +
203 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
204 +
205 +
206 +
207 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
208 +
209 +
210 +
211 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
212 +
213 +
214 +=== 2.8.1  Items needed for update ===
215 +
216 +1. LA66 LoRaWAN Shield
217 +1. Arduino
218 +1. USB TO TTL Adapter
219 +
220 +[[image:image-20220602100052-2.png||height="385" width="600"]]
221 +
222 +
223 +=== 2.8.2  Connection ===
224 +
225 +
226 +[[image:image-20220602101311-3.png||height="276" width="600"]]
227 +
228 +
229 +(((
230 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
231 +)))
232 +
233 +(((
234 +(% style="background-color:yellow" %)**GND  <-> GND
235 +TXD  <->  TXD
236 +RXD  <->  RXD**
237 +)))
238 +
239 +
240 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
241 +
242 +Connect USB TTL Adapter to PC after connecting the wires
243 +
244 +
245 +[[image:image-20220602102240-4.png||height="304" width="600"]]
246 +
247 +
248 +=== 2.8.3  Upgrade steps ===
249 +
250 +
251 +==== 1.  Switch SW1 to put in ISP position ====
252 +
253 +
254 +[[image:image-20220602102824-5.png||height="306" width="600"]]
255 +
256 +
257 +
258 +==== 2.  Press the RST switch once ====
259 +
260 +
261 +[[image:image-20220602104701-12.png||height="285" width="600"]]
262 +
263 +
264 +
265 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
266 +
267 +
268 +(((
269 +(% 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/]]**
270 +)))
271 +
272 +
273 +[[image:image-20220602103227-6.png]]
274 +
275 +
276 +[[image:image-20220602103357-7.png]]
277 +
278 +
279 +
280 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
281 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
282 +
283 +
284 +[[image:image-20220602103844-8.png]]
285 +
286 +
287 +
288 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
289 +(% style="color:blue" %)**3. Select the bin file to burn**
290 +
291 +
292 +[[image:image-20220602104144-9.png]]
293 +
294 +
295 +[[image:image-20220602104251-10.png]]
296 +
297 +
298 +[[image:image-20220602104402-11.png]]
299 +
300 +
301 +
302 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
303 +(% style="color:blue" %)**4. Click to start the download**
304 +
305 +[[image:image-20220602104923-13.png]]
306 +
307 +
308 +
309 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
310 +(% style="color:blue" %)**5. Check update process**
311 +
312 +
313 +[[image:image-20220602104948-14.png]]
314 +
315 +
316 +
317 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
318 +(% style="color:blue" %)**The following picture shows that the burning is successful**
319 +
320 +[[image:image-20220602105251-15.png]]
321 +
322 +
323 +
324 += 3.  LA66 USB LoRaWAN Adapter =
325 +
326 +
327 +== 3.1  Overview ==
328 +
329 +
330 +[[image:image-20220715001142-3.png||height="145" width="220"]]
331 +
332 +
333 +(((
334 +(% 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.
335 +)))
336 +
337 +(((
338 +(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 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.
339 +)))
340 +
341 +(((
342 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
343 +)))
344 +
345 +(((
346 +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.
347 +)))
348 +
349 +(((
350 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
351 +)))
352 +
353 +
354 +
355 +== 3.2  Features ==
356 +
357 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
358 +* Ultra-long RF range
359 +* Support LoRaWAN v1.0.4 protocol
360 +* Support peer-to-peer protocol
361 +* TCXO crystal to ensure RF performance on low temperature
362 +* Spring RF antenna
363 +* Available in different frequency LoRaWAN frequency bands.
364 +* World-wide unique OTAA keys.
365 +* AT Command via UART-TTL interface
366 +* Firmware upgradable via UART interface
367 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
368 +
369 +
370 +
371 +== 3.3  Specification ==
372 +
373 +* CPU: 32-bit 48 MHz
374 +* Flash: 256KB
375 +* RAM: 64KB
376 +* Input Power Range: 5v
377 +* Frequency Range: 150 MHz ~~ 960 MHz
378 +* Maximum Power +22 dBm constant RF output
379 +* High sensitivity: -148 dBm
380 +* Temperature:
381 +** Storage: -55 ~~ +125℃
382 +** Operating: -40 ~~ +85℃
383 +* Humidity:
384 +** Storage: 5 ~~ 95% (Non-Condensing)
385 +** Operating: 10 ~~ 95% (Non-Condensing)
386 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
387 +* LoRa Rx current: <9 mA
388 +
389 +
390 +
391 +== 3.4  Pin Mapping & LED ==
392 +
393 +
394 +
395 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
396 +
397 +
398 +(((
399 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
400 +)))
401 +
402 +
403 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
404 +
405 +
406 +[[image:image-20220602171217-1.png||height="538" width="800"]]
407 +
408 +
409 +Open the serial port tool
410 +
411 +[[image:image-20220602161617-8.png]]
412 +
413 +[[image:image-20220602161718-9.png||height="457" width="800"]]
414 +
415 +
416 +
417 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
418 +
419 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
420 +
421 +
422 +[[image:image-20220602161935-10.png||height="498" width="800"]]
423 +
424 +
425 +
426 +(% style="color:blue" %)**3. See Uplink Command**
427 +
428 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
429 +
430 +example: AT+SENDB=01,02,8,05820802581ea0a5
431 +
432 +[[image:image-20220602162157-11.png||height="497" width="800"]]
433 +
434 +
435 +
436 +(% style="color:blue" %)**4. Check to see if TTN received the message**
437 +
438 +[[image:image-20220602162331-12.png||height="420" width="800"]]
439 +
440 +
441 +
442 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
443 +
444 +
445 +**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]]
446 +
447 +
448 +(% style="color:red" %)**Preconditions:**
449 +
450 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
451 +
452 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
453 +
454 +
455 +
456 +(% style="color:blue" %)**Steps for usage:**
457 +
458 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
459 +
460 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
461 +
462 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
463 +
464 +
465 +
466 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
467 +
468 +
469 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
470 +
471 +
472 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
473 +
474 +[[image:image-20220602171233-2.png||height="538" width="800"]]
475 +
476 +
477 +
478 +(% style="color:blue" %)**2. Install Minicom in RPi.**
479 +
480 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
481 +
482 + (% style="background-color:yellow" %)**apt update**
483 +
484 + (% style="background-color:yellow" %)**apt install minicom**
485 +
486 +
487 +Use minicom to connect to the RPI's terminal
488 +
489 +[[image:image-20220602153146-3.png||height="439" width="500"]]
490 +
491 +
492 +
493 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
494 +
495 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
496 +
497 +
498 +[[image:image-20220602154928-5.png||height="436" width="500"]]
499 +
500 +
501 +
502 +(% style="color:blue" %)**4. Send Uplink message**
503 +
504 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
505 +
506 +example: AT+SENDB=01,02,8,05820802581ea0a5
507 +
508 +
509 +[[image:image-20220602160339-6.png||height="517" width="600"]]
510 +
511 +
512 +
513 +Check to see if TTN received the message
514 +
515 +[[image:image-20220602160627-7.png||height="369" width="800"]]
516 +
517 +
518 +
519 +== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
520 +
521 +
522 +
523 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
524 +
525 +
526 +
527 +
528 += 4.  Order Info =
529 +
530 +
531 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
532 +
533 +
143 143  (% style="color:blue" %)**XXX**(%%): The default frequency band
144 144  
145 145  * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
... ... @@ -152,4 +152,6 @@
152 152  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
153 153  * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
154 154  
155 -
546 += 5.  Reference =
547 +
548 +* 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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