Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 125.1 >
edited by Herong Lu
on 2022/07/23 17:16
To version < 106.1 >
edited by Herong Lu
on 2022/07/23 10:49
>
Change comment: There is no comment for this version

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2 2  
3 3  **Table of Contents:**
4 4  
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62 62  * Firmware upgradable via UART interface
63 63  * Ultra-long RF range
64 64  
65 +
65 65  == 1.3  Specification ==
66 66  
67 67  * CPU: 32-bit 48 MHz
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82 82  * LoRa Rx current: <9 mA
83 83  * I/O Voltage: 3.3v
84 84  
86 +
85 85  == 1.4  AT Command ==
86 86  
87 87  
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164 164  * Firmware upgradable via UART interface
165 165  * Ultra-long RF range
166 166  
169 +
167 167  == 2.3  Specification ==
168 168  
169 169  * CPU: 32-bit 48 MHz
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184 184  * LoRa Rx current: <9 mA
185 185  * I/O Voltage: 3.3v
186 186  
187 -== 2.4  LED ==
188 188  
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
191 +== 2.4  Pin Mapping & LED ==
192 192  
193 193  
194 +
194 194  == 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
195 195  
196 -Show connection diagram：
197 197  
198 -[[image:image-20220723170210-2.png||height="908" width="681"]]
199 199  
200 -1.open Arduino IDE
201 -
202 -[[image:image-20220723170545-4.png]]
203 -
204 -2.Open project
205 -
206 -[[image:image-20220723170750-5.png]]
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 -
215 215  == 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
216 216  
217 217  
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378 378  * Firmware upgradable via UART interface
379 379  * Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
380 380  
365 +
381 381  == 3.3  Specification ==
382 382  
383 383  * CPU: 32-bit 48 MHz
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396 396  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
397 397  * LoRa Rx current: <9 mA
398 398  
384 +
399 399  == 3.4  Pin Mapping & LED ==
400 400  
401 401  
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533 533  
534 534  ==== Overview： ====
535 535  
536 -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.
522 +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.（DRAGINO-LA66-APP currently only supports Android system）
537 537  
538 -View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
539 -
540 540  ==== Conditions of Use： ====
541 541  
542 542  Requires a type-c to USB adapter
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545 545  
546 546  ==== Use of APP: ====
547 547  
548 -Function and page introduction
549 -
550 -[[image:image-20220723113448-7.png||height="1481" width="670"]]
551 -
552 -1.Display LA66 USB LoRaWAN Module connection status
553 -
554 -2.Check and reconnect
555 -
556 -3.Turn send timestamps on or off
557 -
558 -4.Display LoRaWan connection status
559 -
560 -5.Check LoRaWan connection status
561 -
562 -6.The RSSI value of the node when the ACK is received
563 -
564 -7.Node's Signal Strength Icon
565 -
566 -8.Set the packet sending interval of the node in seconds
567 -
568 -9.AT command input box
569 -
570 -10.Send AT command button
571 -
572 -11.Node log box
573 -
574 -12.clear log button
575 -
576 -13.exit button
577 -
578 578  LA66 USB LoRaWAN Module not connected
579 579  
580 -[[image:image-20220723110520-5.png||height="903" width="677"]]
581 581  
582 -Connect LA66 USB LoRaWAN Module
583 583  
584 -[[image:image-20220723110626-6.png||height="906" width="680"]]
585 -
586 -=== 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 ===
587 -
588 -1.Register LA66 USB LoRaWAN Module to TTNV3
589 -
590 -[[image:image-20220723134549-8.png]]
591 -
592 -2.Open Node-RED,And import the JSON file to generate the flow
593 -
594 -Sample JSON file please go to this link to download：放置JSON文件的链接
595 -
596 -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/]]
597 -
598 -The following is the positioning effect map
599 -
600 -[[image:image-20220723144339-1.png]]
601 -
602 602  == 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
603 603  
604 -The LA66 USB LoRaWAN Module is the same as the LA66 LoRaWAN Shield update method
605 605  
606 -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)
607 607  
608 -[[image:image-20220723150132-2.png]]
609 609  
610 -
611 611  = 4.  Order Info =
612 612  
613 613  
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