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Last modified by Xiaoling on 2023/09/19 09:20
From version 149.2
edited by Xiaoling
on 2022/10/21 11:10
Change comment: There is no comment for this version
To version 104.1
edited by Herong Lu
on 2022/07/23 10:20
Change comment: Uploaded new attachment "image-20220723102027-3.png", version {1}

Summary

Details

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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
... ... @@ -67,7 +67,6 @@
67 67  
68 68  == 1.3  Specification ==
69 69  
70 -
71 71  * CPU: 32-bit 48 MHz
72 72  * Flash: 256KB
73 73  * RAM: 64KB
... ... @@ -91,13 +91,12 @@
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>>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.
95 95  
96 96  
97 97  
98 98  == 1.5  Dimension ==
99 99  
100 -
101 101  [[image:image-20220718094750-3.png]]
102 102  
103 103  
... ... @@ -110,89 +110,442 @@
110 110  
111 111  == 1.7  Land Pattern ==
112 112  
113 -
114 114  [[image:image-20220517072821-2.png]]
115 115  
116 116  
117 117  
118 -= 2.  FAQ =
114 += 2.  LA66 LoRaWAN Shield =
119 119  
120 120  
121 -== 2.1  Where to find examples of how to use LA66? ==
117 +== 2.1  Overview ==
122 122  
123 123  
124 -(% class="wikigeneratedid" %)
125 -Below products are made by LA66. User can use their examples as reference:
120 +(((
121 +[[image:image-20220715000826-2.png||height="145" width="220"]]
122 +)))
126 126  
127 -* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
128 -* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
124 +(((
125 +
126 +)))
129 129  
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 +)))
130 130  
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  
132 -== 2.2  How to Compile Source Code for LA66? ==
138 +(((
139 +(((
140 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
141 +)))
142 +)))
133 133  
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  
135 -Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
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 +)))
136 136  
137 137  
138 138  
139 -== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
158 +== 2.2  Features ==
140 140  
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 -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.
143 143  
144 144  
173 +== 2.3  Specification ==
145 145  
146 -== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
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
147 147  
148 148  
149 -Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.Instruction for LA66 Peer to Peer firmware.WebHome]]
150 150  
195 +== 2.4  Pin Mapping & LED ==
151 151  
152 152  
153 -= 3.  Order Info =
154 154  
199 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
155 155  
156 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
157 157  
158 158  
159 -(% style="color:blue" %)**XXX**(%%): The default frequency band
203 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
160 160  
161 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
162 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
163 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
164 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
165 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
166 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
167 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
168 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
169 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
170 170  
171 171  
207 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
172 172  
173 -= 4.  FCC Statement =
174 174  
175 175  
176 -(% style="color:red" %)**FCC Caution:**
211 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
177 177  
178 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
179 179  
180 -This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
214 +=== 2.8.1  Items needed for update ===
181 181  
216 +1. LA66 LoRaWAN Shield
217 +1. Arduino
218 +1. USB TO TTL Adapter
182 182  
183 -(% style="color:red" %)**IMPORTANT NOTE: **
220 +[[image:image-20220602100052-2.png||height="385" width="600"]]
184 184  
185 -(% style="color:red" %)**Note:**(%%) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
186 186  
187 -—Reorient or relocate the receiving antenna.
223 +=== 2.8.2  Connection ===
188 188  
189 -—Increase the separation between the equipment and receiver.
190 190  
191 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
226 +[[image:image-20220602101311-3.png||height="276" width="600"]]
192 192  
193 -—Consult the dealer or an experienced radio/TV technician for help.
194 194  
229 +(((
230 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
231 +)))
195 195  
196 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
233 +(((
234 +(% style="background-color:yellow" %)**GND  <-> GND
235 +TXD  <->  TXD
236 +RXD  <->  RXD**
237 +)))
197 197  
198 -This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
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 +
534 +(% style="color:blue" %)**XXX**(%%): The default frequency band
535 +
536 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
537 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
538 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
539 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
540 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
541 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
542 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
543 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
544 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
545 +
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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