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Last modified by Xiaoling on 2023/09/19 09:20
From version 100.2
edited by Xiaoling
on 2022/07/19 11:34
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To version 148.3
edited by Xiaoling
on 2022/09/15 10:47
Change comment: There is no comment for this version

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Title
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1 -LA66 LoRaWAN Module
1 +LA66 LoRaWAN Module User Manual
Content
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12 12  == 1.1  What is LA66 LoRaWAN Module ==
13 13  
14 14  
15 -
16 16  (((
17 17  (((
18 18  [[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
... ... @@ -29,7 +29,7 @@
29 29  
30 30  (((
31 31  (((
32 -(% 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.
31 +(% 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.
33 33  )))
34 34  )))
35 35  
... ... @@ -51,10 +51,10 @@
51 51  
52 52  
53 53  
54 -
55 55  == 1.2  Features ==
56 56  
57 -* Support LoRaWAN v1.0.4 protocol
55 +
56 +* Support LoRaWAN v1.0.3 protocol
58 58  * Support peer-to-peer protocol
59 59  * TCXO crystal to ensure RF performance on low temperature
60 60  * SMD Antenna pad and i-pex antenna connector
... ... @@ -66,8 +66,10 @@
66 66  
67 67  
68 68  
68 +
69 69  == 1.3  Specification ==
70 70  
71 +
71 71  * CPU: 32-bit 48 MHz
72 72  * Flash: 256KB
73 73  * RAM: 64KB
... ... @@ -88,442 +88,57 @@
88 88  
89 89  
90 90  
92 +
91 91  == 1.4  AT Command ==
92 92  
93 93  
94 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
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]].
95 95  
96 96  
97 97  
98 98  == 1.5  Dimension ==
99 99  
102 +
100 100  [[image:image-20220718094750-3.png]]
101 101  
102 102  
103 103  
104 -
105 105  == 1.6  Pin Mapping ==
106 106  
109 +[[image:image-20220720111850-1.png]]
107 107  
108 -[[image:image-20220719093156-1.png]]
109 109  
110 110  
111 -
112 112  == 1.7  Land Pattern ==
113 113  
115 +
114 114  [[image:image-20220517072821-2.png]]
115 115  
116 116  
117 117  
118 -= 2.  LA66 LoRaWAN Shield =
120 += 2.  FAQ =
119 119  
120 120  
121 -== 2.1  Overview ==
123 +== 2.1  How to Compile Source Code for LA66? ==
122 122  
123 123  
126 +Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
124 124  
125 -(((
126 -[[image:image-20220715000826-2.png||height="145" width="220"]]
127 -)))
128 128  
129 -(((
130 -
131 -)))
132 132  
133 -(((
134 -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.
135 -)))
130 +== 2.2 Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
136 136  
137 -(((
138 -(((
139 -(% 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.
140 -)))
141 -)))
142 142  
143 -(((
144 -(((
145 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
146 -)))
147 -)))
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.
148 148  
149 -(((
150 -(((
151 -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.
152 -)))
153 -)))
154 154  
155 -(((
156 -(((
157 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
158 -)))
159 -)))
160 160  
137 += 3.  Order Info =
161 161  
162 162  
140 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
163 163  
164 -== 2.2  Features ==
165 165  
166 -* Arduino Shield base on LA66 LoRaWAN module
167 -* Support LoRaWAN v1.0.4 protocol
168 -* Support peer-to-peer protocol
169 -* TCXO crystal to ensure RF performance on low temperature
170 -* SMA connector
171 -* Available in different frequency LoRaWAN frequency bands.
172 -* World-wide unique OTAA keys.
173 -* AT Command via UART-TTL interface
174 -* Firmware upgradable via UART interface
175 -* Ultra-long RF range
176 -
177 -
178 -
179 -
180 -== 2.3  Specification ==
181 -
182 -* CPU: 32-bit 48 MHz
183 -* Flash: 256KB
184 -* RAM: 64KB
185 -* Input Power Range: 1.8v ~~ 3.7v
186 -* Power Consumption: < 4uA.
187 -* Frequency Range: 150 MHz ~~ 960 MHz
188 -* Maximum Power +22 dBm constant RF output
189 -* High sensitivity: -148 dBm
190 -* Temperature:
191 -** Storage: -55 ~~ +125℃
192 -** Operating: -40 ~~ +85℃
193 -* Humidity:
194 -** Storage: 5 ~~ 95% (Non-Condensing)
195 -** Operating: 10 ~~ 95% (Non-Condensing)
196 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
197 -* LoRa Rx current: <9 mA
198 -* I/O Voltage: 3.3v
199 -
200 -
201 -
202 -
203 -== 2.4  Pin Mapping & LED ==
204 -
205 -
206 -
207 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
208 -
209 -
210 -
211 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
212 -
213 -
214 -
215 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
216 -
217 -
218 -
219 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
220 -
221 -
222 -=== 2.8.1  Items needed for update ===
223 -
224 -1. LA66 LoRaWAN Shield
225 -1. Arduino
226 -1. USB TO TTL Adapter
227 -
228 -[[image:image-20220602100052-2.png||height="385" width="600"]]
229 -
230 -
231 -=== 2.8.2  Connection ===
232 -
233 -
234 -[[image:image-20220602101311-3.png||height="276" width="600"]]
235 -
236 -
237 -(((
238 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
239 -)))
240 -
241 -(((
242 -(% style="background-color:yellow" %)**GND  <-> GND
243 -TXD  <->  TXD
244 -RXD  <->  RXD**
245 -)))
246 -
247 -
248 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
249 -
250 -Connect USB TTL Adapter to PC after connecting the wires
251 -
252 -
253 -[[image:image-20220602102240-4.png||height="304" width="600"]]
254 -
255 -
256 -=== 2.8.3  Upgrade steps ===
257 -
258 -
259 -==== 1.  Switch SW1 to put in ISP position ====
260 -
261 -
262 -[[image:image-20220602102824-5.png||height="306" width="600"]]
263 -
264 -
265 -
266 -==== 2.  Press the RST switch once ====
267 -
268 -
269 -[[image:image-20220602104701-12.png||height="285" width="600"]]
270 -
271 -
272 -
273 -==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
274 -
275 -
276 -(((
277 -(% 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/]]**
278 -)))
279 -
280 -
281 -[[image:image-20220602103227-6.png]]
282 -
283 -
284 -[[image:image-20220602103357-7.png]]
285 -
286 -
287 -
288 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
289 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
290 -
291 -
292 -[[image:image-20220602103844-8.png]]
293 -
294 -
295 -
296 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
297 -(% style="color:blue" %)**3. Select the bin file to burn**
298 -
299 -
300 -[[image:image-20220602104144-9.png]]
301 -
302 -
303 -[[image:image-20220602104251-10.png]]
304 -
305 -
306 -[[image:image-20220602104402-11.png]]
307 -
308 -
309 -
310 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
311 -(% style="color:blue" %)**4. Click to start the download**
312 -
313 -[[image:image-20220602104923-13.png]]
314 -
315 -
316 -
317 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
318 -(% style="color:blue" %)**5. Check update process**
319 -
320 -
321 -[[image:image-20220602104948-14.png]]
322 -
323 -
324 -
325 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
326 -(% style="color:blue" %)**The following picture shows that the burning is successful**
327 -
328 -[[image:image-20220602105251-15.png]]
329 -
330 -
331 -
332 -= 3.  LA66 USB LoRaWAN Adapter =
333 -
334 -
335 -== 3.1  Overview ==
336 -
337 -[[image:image-20220715001142-3.png||height="145" width="220"]]
338 -
339 -(% 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.
340 -
341 -(% 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.
342 -
343 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
344 -
345 -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.
346 -
347 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
348 -
349 -
350 -== 3.2  Features ==
351 -
352 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
353 -* Ultra-long RF range
354 -* Support LoRaWAN v1.0.4 protocol
355 -* Support peer-to-peer protocol
356 -* TCXO crystal to ensure RF performance on low temperature
357 -* Spring RF antenna
358 -* Available in different frequency LoRaWAN frequency bands.
359 -* World-wide unique OTAA keys.
360 -* AT Command via UART-TTL interface
361 -* Firmware upgradable via UART interface
362 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
363 -
364 -
365 -
366 -== 3.3  Specification ==
367 -
368 -* CPU: 32-bit 48 MHz
369 -* Flash: 256KB
370 -* RAM: 64KB
371 -* Input Power Range: 5v
372 -* Frequency Range: 150 MHz ~~ 960 MHz
373 -* Maximum Power +22 dBm constant RF output
374 -* High sensitivity: -148 dBm
375 -* Temperature:
376 -** Storage: -55 ~~ +125℃
377 -** Operating: -40 ~~ +85℃
378 -* Humidity:
379 -** Storage: 5 ~~ 95% (Non-Condensing)
380 -** Operating: 10 ~~ 95% (Non-Condensing)
381 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
382 -* LoRa Rx current: <9 mA
383 -
384 -
385 -
386 -== 3.4  Pin Mapping & LED ==
387 -
388 -
389 -
390 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
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 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
397 -
398 -
399 -[[image:image-20220602171217-1.png||height="538" width="800"]]
400 -
401 -
402 -Open the serial port tool
403 -
404 -[[image:image-20220602161617-8.png]]
405 -
406 -[[image:image-20220602161718-9.png||height="457" width="800"]]
407 -
408 -
409 -
410 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
411 -
412 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
413 -
414 -
415 -[[image:image-20220602161935-10.png||height="498" width="800"]]
416 -
417 -
418 -
419 -(% style="color:blue" %)**3. See Uplink Command**
420 -
421 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
422 -
423 -example: AT+SENDB=01,02,8,05820802581ea0a5
424 -
425 -[[image:image-20220602162157-11.png||height="497" width="800"]]
426 -
427 -
428 -
429 -(% style="color:blue" %)**4. Check to see if TTN received the message**
430 -
431 -[[image:image-20220602162331-12.png||height="420" width="800"]]
432 -
433 -
434 -
435 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
436 -
437 -
438 -**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]]
439 -
440 -
441 -(% style="color:red" %)**Preconditions:**
442 -
443 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
444 -
445 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
446 -
447 -
448 -
449 -(% style="color:blue" %)**Steps for usage:**
450 -
451 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
452 -
453 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
454 -
455 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
456 -
457 -
458 -
459 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
460 -
461 -
462 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
463 -
464 -
465 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
466 -
467 -[[image:image-20220602171233-2.png||height="538" width="800"]]
468 -
469 -
470 -
471 -(% style="color:blue" %)**2. Install Minicom in RPi.**
472 -
473 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
474 -
475 - (% style="background-color:yellow" %)**apt update**
476 -
477 - (% style="background-color:yellow" %)**apt install minicom**
478 -
479 -
480 -Use minicom to connect to the RPI's terminal
481 -
482 -[[image:image-20220602153146-3.png||height="439" width="500"]]
483 -
484 -
485 -
486 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
487 -
488 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
489 -
490 -
491 -[[image:image-20220602154928-5.png||height="436" width="500"]]
492 -
493 -
494 -
495 -(% style="color:blue" %)**4. Send Uplink message**
496 -
497 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
498 -
499 -example: AT+SENDB=01,02,8,05820802581ea0a5
500 -
501 -
502 -[[image:image-20220602160339-6.png||height="517" width="600"]]
503 -
504 -
505 -
506 -Check to see if TTN received the message
507 -
508 -[[image:image-20220602160627-7.png||height="369" width="800"]]
509 -
510 -
511 -
512 -== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
513 -
514 -
515 -
516 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
517 -
518 -
519 -
520 -
521 -= 4.  Order Info =
522 -
523 -
524 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
525 -
526 -
527 527  (% style="color:blue" %)**XXX**(%%): The default frequency band
528 528  
529 529  * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
... ... @@ -536,6 +536,4 @@
536 536  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
537 537  * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
538 538  
539 -= 5.  Reference =
540 -
541 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
155 +
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