Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 100.4 >
edited by Xiaoling
on 2022/07/19 11:42
To version < 133.1 >
edited by Herong Lu
on 2022/07/23 17:57
>
Change comment: There is no comment for this version

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1 -XWiki.Xiaoling
1 +XWiki.Lu
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1 -
1 +0
2 2  
3 3  **Table of Contents:**
4 4  
... ... @@ -28,7 +28,7 @@
28 28  
29 29  (((
30 30  (((
31 -(% 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.
32 32  )))
33 33  )))
34 34  
... ... @@ -62,7 +62,6 @@
62 62  * Firmware upgradable via UART interface
63 63  * Ultra-long RF range
64 64  
65 -
66 66  == 1.3  Specification ==
67 67  
68 68  * CPU: 32-bit 48 MHz
... ... @@ -83,7 +83,6 @@
83 83  * LoRa Rx current: <9 mA
84 84  * I/O Voltage: 3.3v
85 85  
86 -
87 87  == 1.4  AT Command ==
88 88  
89 89  
... ... @@ -97,14 +97,12 @@
97 97  
98 98  
99 99  
100 -
101 101  == 1.6  Pin Mapping ==
102 102  
100 +[[image:image-20220720111850-1.png]]
103 103  
104 -[[image:image-20220719093156-1.png]]
105 105  
106 106  
107 -
108 108  == 1.7  Land Pattern ==
109 109  
110 110  [[image:image-20220517072821-2.png]]
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131 131  
132 132  (((
133 133  (((
134 -(% 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.
130 +(% 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.
135 135  )))
136 136  )))
137 137  
... ... @@ -168,7 +168,6 @@
168 168  * Firmware upgradable via UART interface
169 169  * Ultra-long RF range
170 170  
171 -
172 172  == 2.3  Specification ==
173 173  
174 174  * CPU: 32-bit 48 MHz
... ... @@ -189,23 +189,62 @@
189 189  * LoRa Rx current: <9 mA
190 190  * I/O Voltage: 3.3v
191 191  
187 +== 2.4  LED ==
192 192  
193 -== 2.4  Pin Mapping & LED ==
189 +~1. The LED lights up red when there is an upstream data packet
190 +2. When the network is successfully connected, the green light will be on for 5 seconds
191 +3. Purple light on when receiving downlink data packets
194 194  
195 195  
196 -
197 197  == 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
198 198  
196 +Show connection diagram：
199 199  
198 +[[image:image-20220723170210-2.png||height="908" width="681"]]
200 200  
200 +1.open Arduino IDE
201 +
202 +[[image:image-20220723170545-4.png]]
203 +
204 +2.Open project
205 +
206 +[[image:image-20220723170750-5.png||height="533" width="930"]]
207 +
208 +3.Click the button marked 1 in the figure to compile, and after the compilation is complete, click the button marked 2 in the figure to upload
209 +
210 +[[image:image-20220723171228-6.png]]
211 +
212 +4.After the upload is successful, open the serial port monitoring and send the AT command
213 +
214 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
215 +
201 201  == 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
202 202  
218 +1.Open project
203 203  
220 +[[image:image-20220723172502-8.png]]
204 204  
205 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
222 +2.Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
206 206  
224 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
207 207  
208 208  
227 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
228 +
229 +1.Open project
230 +
231 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
232 +
233 +2.Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
234 +
235 +[[image:image-20220723173950-11.png||height="665" width="1012"]]
236 +
237 +3.Integration into Node-red via TTNV3
238 +
239 +For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
240 +
241 +[[image:image-20220723175700-12.png||height="602" width="995"]]
242 +
209 209  == 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
210 210  
211 211  
... ... @@ -215,7 +215,6 @@
215 215  1. Arduino
216 216  1. USB TO TTL Adapter
217 217  
218 -
219 219  [[image:image-20220602100052-2.png||height="385" width="600"]]
220 220  
221 221  
... ... @@ -329,15 +329,25 @@
329 329  [[image:image-20220715001142-3.png||height="145" width="220"]]
330 330  
331 331  
365 +(((
332 332  (% 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.
367 +)))
333 333  
334 -(% 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.
369 +(((
370 +(% 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.
371 +)))
335 335  
373 +(((
336 336  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
375 +)))
337 337  
377 +(((
338 338  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.
379 +)))
339 339  
381 +(((
340 340  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
383 +)))
341 341  
342 342  
343 343  
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355 355  * Firmware upgradable via UART interface
356 356  * Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
357 357  
358 -
359 359  == 3.3  Specification ==
360 360  
361 361  * CPU: 32-bit 48 MHz
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374 374  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
375 375  * LoRa Rx current: <9 mA
376 376  
377 -
378 378  == 3.4  Pin Mapping & LED ==
379 379  
380 380  
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382 382  == 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
383 383  
384 384  
426 +(((
385 385  Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
428 +)))
386 386  
387 387  
388 388  (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
389 389  
390 390  
391 -[[image:image-20220602171217-1.png||height="538" width="800"]]
434 +[[image:image-20220723100027-1.png]]
392 392  
393 393  
394 394  Open the serial port tool
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429 429  
430 430  **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]]
431 431  
475 +(**Raspberry Pi example: **[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py]])
432 432  
433 433  (% style="color:red" %)**Preconditions:**
434 434  
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456 456  
457 457  (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
458 458  
459 -[[image:image-20220602171233-2.png||height="538" width="800"]]
503 +[[image:image-20220723100439-2.png]]
460 460  
461 461  
462 462  
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501 501  
502 502  
503 503  
504 -== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
548 +== 3.8  Example: Use of LA66 USB LoRaWAN Module and DRAGINO-LA66-APP. ==
505 505  
550 +=== 3.8.1 DRAGINO-LA66-APP ===
506 506  
552 +[[image:image-20220723102027-3.png]]
507 507  
554 +==== Overview： ====
555 +
556 +DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Module. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Module.
557 +
558 +View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
559 +
560 +==== Conditions of Use： ====
561 +
562 +Requires a type-c to USB adapter
563 +
564 +[[image:image-20220723104754-4.png]]
565 +
566 +==== Use of APP: ====
567 +
568 +Function and page introduction
569 +
570 +[[image:image-20220723113448-7.png||height="1481" width="670"]]
571 +
572 +1.Display LA66 USB LoRaWAN Module connection status
573 +
574 +2.Check and reconnect
575 +
576 +3.Turn send timestamps on or off
577 +
578 +4.Display LoRaWan connection status
579 +
580 +5.Check LoRaWan connection status
581 +
582 +6.The RSSI value of the node when the ACK is received
583 +
584 +7.Node's Signal Strength Icon
585 +
586 +8.Set the packet sending interval of the node in seconds
587 +
588 +9.AT command input box
589 +
590 +10.Send AT command button
591 +
592 +11.Node log box
593 +
594 +12.clear log button
595 +
596 +13.exit button
597 +
598 +LA66 USB LoRaWAN Module not connected
599 +
600 +[[image:image-20220723110520-5.png||height="903" width="677"]]
601 +
602 +Connect LA66 USB LoRaWAN Module
603 +
604 +[[image:image-20220723110626-6.png||height="906" width="680"]]
605 +
606 +=== 3.8.2 Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Module and integrate it into Node-RED ===
607 +
608 +1.Register LA66 USB LoRaWAN Module to TTNV3
609 +
610 +[[image:image-20220723134549-8.png]]
611 +
612 +2.Open Node-RED,And import the JSON file to generate the flow
613 +
614 +Sample JSON file please go to this link to download：放置JSON文件的链接
615 +
616 +For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
617 +
618 +The following is the positioning effect map
619 +
620 +[[image:image-20220723144339-1.png]]
621 +
508 508  == 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
509 509  
624 +The LA66 USB LoRaWAN Module is the same as the LA66 LoRaWAN Shield update method
510 510  
626 +Just use the yellow jumper cap to short the BOOT corner and the RX corner, and then press the RESET button (without the jumper cap, you can directly short the BOOT corner and the RX corner with a wire to achieve the same effect)
511 511  
628 +[[image:image-20220723150132-2.png]]
512 512  
630 +
513 513  = 4.  Order Info =
514 514  
515 515  
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528 528  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
529 529  * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
530 530  
531 -
532 532  = 5.  Reference =
533 533  
534 534  * 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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