Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 102.1 >
edited by Herong Lu
on 2022/07/23 10:00
To version < 134.2 >
edited by Xiaoling
on 2022/07/26 10:28
>
Change comment: There is no comment for this version

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1 -XWiki.Lu
1 +XWiki.Xiaoling
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62 62  * Firmware upgradable via UART interface
63 63  * Ultra-long RF range
64 64  
65 -
66 -
67 67  == 1.3  Specification ==
68 68  
69 69  * CPU: 32-bit 48 MHz
... ... @@ -84,8 +84,6 @@
84 84  * LoRa Rx current: <9 mA
85 85  * I/O Voltage: 3.3v
86 86  
87 -
88 -
89 89  == 1.4  AT Command ==
90 90  
91 91  
... ... @@ -168,8 +168,6 @@
168 168  * Firmware upgradable via UART interface
169 169  * Ultra-long RF range
170 170  
171 -
172 -
173 173  == 2.3  Specification ==
174 174  
175 175  * CPU: 32-bit 48 MHz
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190 190  * LoRa Rx current: <9 mA
191 191  * I/O Voltage: 3.3v
192 192  
187 +== 2.4  LED ==
193 193  
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 -== 2.4  Pin Mapping & LED ==
196 196  
194 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
197 197  
196 +Show connection diagram：
198 198  
199 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
198 +[[image:image-20220723170210-2.png||height="908" width="681"]]
200 200  
200 +1.open Arduino IDE
201 201  
202 +[[image:image-20220723170545-4.png]]
202 202  
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 +
203 203  == 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
204 204  
218 +1.Open project
205 205  
220 +[[image:image-20220723172502-8.png]]
206 206  
207 -== 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
208 208  
224 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
209 209  
210 210  
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 +
211 211  == 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
212 212  
213 213  
214 214  === 2.8.1  Items needed for update ===
215 215  
261 +
216 216  1. LA66 LoRaWAN Shield
217 217  1. Arduino
218 218  1. USB TO TTL Adapter
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248 248  === 2.8.3  Upgrade steps ===
249 249  
250 250  
251 -==== 1.  Switch SW1 to put in ISP position ====
297 +==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
252 252  
253 253  
254 254  [[image:image-20220602102824-5.png||height="306" width="600"]]
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255 255  
256 256  
257 257  
258 -==== 2.  Press the RST switch once ====
304 +==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
259 259  
260 260  
261 261  [[image:image-20220602104701-12.png||height="285" width="600"]]
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262 262  
263 263  
264 264  
265 -==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
311 +==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
266 266  
267 267  
268 268  (((
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403 403  (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
404 404  
405 405  
406 -[[image:image-20220602171217-1.png||height="538" width="800"]]
452 +[[image:image-20220723100027-1.png]]
407 407  
408 408  
409 409  Open the serial port tool
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444 444  
445 445  **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]]
446 446  
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]])
447 447  
448 448  (% style="color:red" %)**Preconditions:**
449 449  
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471 471  
472 472  (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
473 473  
474 -[[image:image-20220602171233-2.png||height="538" width="800"]]
521 +[[image:image-20220723100439-2.png]]
475 475  
476 476  
477 477  
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516 516  
517 517  
518 518  
519 -== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
566 +== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
520 520  
521 521  
569 +=== 3.8.1 DRAGINO-LA66-APP ===
522 522  
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 +
523 523  == 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
524 524  
525 525  
664 +The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
526 526  
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)
527 527  
668 +[[image:image-20220723150132-2.png]]
669 +
670 +
671 +
528 528  = 4.  Order Info =
529 529  
530 530  
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543 543  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
544 544  * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
545 545  
690 +
546 546  = 5.  Reference =
547 547  
693 +
548 548  * 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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