Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 134.2 >
edited by Xiaoling
on 2022/07/26 10:28
To version < 103.1 >
edited by Herong Lu
on 2022/07/23 10:04
>
Change comment: Uploaded new attachment "image-20220723100439-2.png", version {1}

Summary

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1 -XWiki.Xiaoling
1 +XWiki.Lu
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62 62  * Firmware upgradable via UART interface
63 63  * Ultra-long RF range
64 64  
65 +
66 +
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  
87 +
88 +
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  
171 +
172 +
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
192 192  
195 +== 2.4  Pin Mapping & LED ==
193 193  
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 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
199 199  
200 -1.open Arduino IDE
201 201  
202 -[[image:image-20220723170545-4.png]]
203 203  
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 -
216 216  == 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
217 217  
218 -1.Open project
219 219  
220 -[[image:image-20220723172502-8.png]]
221 221  
222 -2.Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
207 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
223 223  
224 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
225 225  
226 226  
227 -
228 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
229 -
230 -
231 -**1.  Open project**
232 -
233 -
234 -Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
235 -
236 -
237 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
238 -
239 -
240 -
241 -**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
242 -
243 -
244 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
245 -
246 -
247 -
248 -**3.  Integration into Node-red via TTNV3**
249 -
250 -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/]]
251 -
252 -[[image:image-20220723175700-12.png||height="602" width="995"]]
253 -
254 -
255 -
256 256  == 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
257 257  
258 258  
259 259  === 2.8.1  Items needed for update ===
260 260  
261 -
262 262  1. LA66 LoRaWAN Shield
263 263  1. Arduino
264 264  1. USB TO TTL Adapter
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294 294  === 2.8.3  Upgrade steps ===
295 295  
296 296  
297 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
251 +==== 1.  Switch SW1 to put in ISP position ====
298 298  
299 299  
300 300  [[image:image-20220602102824-5.png||height="306" width="600"]]
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301 301  
302 302  
303 303  
304 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
258 +==== 2.  Press the RST switch once ====
305 305  
306 306  
307 307  [[image:image-20220602104701-12.png||height="285" width="600"]]
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308 308  
309 309  
310 310  
311 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
265 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
312 312  
313 313  
314 314  (((
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449 449  (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
450 450  
451 451  
452 -[[image:image-20220723100027-1.png]]
406 +[[image:image-20220602171217-1.png||height="538" width="800"]]
453 453  
454 454  
455 455  Open the serial port tool
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490 490  
491 491  **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]]
492 492  
493 -(**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]])
494 494  
495 495  (% style="color:red" %)**Preconditions:**
496 496  
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518 518  
519 519  (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
520 520  
521 -[[image:image-20220723100439-2.png]]
474 +[[image:image-20220602171233-2.png||height="538" width="800"]]
522 522  
523 523  
524 524  
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563 563  
564 564  
565 565  
566 -== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
519 +== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
567 567  
568 568  
569 -=== 3.8.1 DRAGINO-LA66-APP ===
570 570  
571 -
572 -[[image:image-20220723102027-3.png]]
573 -
574 -
575 -
576 -==== (% style="color:blue" %)**Overview：**(%%) ====
577 -
578 -
579 -DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Adapter and APP sample process. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Adapter.
580 -
581 -View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
582 -
583 -
584 -
585 -==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
586 -
587 -
588 -Requires a type-c to USB adapter
589 -
590 -[[image:image-20220723104754-4.png]]
591 -
592 -
593 -
594 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
595 -
596 -
597 -Function and page introduction
598 -
599 -[[image:image-20220723113448-7.png||height="1481" width="670"]]
600 -
601 -1.Display LA66 USB LoRaWAN Module connection status
602 -
603 -2.Check and reconnect
604 -
605 -3.Turn send timestamps on or off
606 -
607 -4.Display LoRaWan connection status
608 -
609 -5.Check LoRaWan connection status
610 -
611 -6.The RSSI value of the node when the ACK is received
612 -
613 -7.Node's Signal Strength Icon
614 -
615 -8.Set the packet sending interval of the node in seconds
616 -
617 -9.AT command input box
618 -
619 -10.Send AT command button
620 -
621 -11.Node log box
622 -
623 -12.clear log button
624 -
625 -13.exit button
626 -
627 -
628 -LA66 USB LoRaWAN Module not connected
629 -
630 -[[image:image-20220723110520-5.png||height="903" width="677"]]
631 -
632 -
633 -
634 -Connect LA66 USB LoRaWAN Module
635 -
636 -[[image:image-20220723110626-6.png||height="906" width="680"]]
637 -
638 -
639 -
640 -=== 3.8.2 Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Adapter and integrate it into Node-RED ===
641 -
642 -
643 -**1.  Register LA66 USB LoRaWAN Module to TTNV3**
644 -
645 -[[image:image-20220723134549-8.png]]
646 -
647 -
648 -
649 -**2.  Open Node-RED,And import the JSON file to generate the flow**
650 -
651 -Sample JSON file please go to this link to download：放置JSON文件的链接
652 -
653 -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/]]
654 -
655 -The following is the positioning effect map
656 -
657 -[[image:image-20220723144339-1.png]]
658 -
659 -
660 -
661 661  == 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
662 662  
663 663  
664 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
665 665  
666 -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)
667 667  
668 -[[image:image-20220723150132-2.png]]
669 -
670 -
671 -
672 672  = 4.  Order Info =
673 673  
674 674  
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687 687  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
688 688  * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
689 689  
690 -
691 691  = 5.  Reference =
692 692  
693 -
694 694  * 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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