Last modified by Kilight Cao on 2024/03/04 09:10
<
From version < 93.1 >
edited by Kilight Cao
on 2022/11/09 15:10
To version < 82.1 >
edited by Kilight Cao
on 2022/11/08 17:24
>
Change comment: Uploaded new attachment "image-20221108172432-7.png", version {1}

Summary

Details

Page properties
Content
... ... @@ -289,20 +289,18 @@
289 289  [[image:image-20221104102736-3.png||height="282" width="723"]]
290 290  
291 291  
292 -The user can run the AT command to set the LG01-V2 RX window always open as a Receiver, The LG01-V2 can display the received data in the built-in server Node-Red, Here are the specific steps:
292 +The user can run the AT command to set the LG01-V2 RX window always open as a Receiver, the LA66 Shield uses **AT+SEND=1,hello world,2,3** to simulate sending data,
293 293  
294 -(% style="color:red" %)**Prerequisites: **(%%)The configuration of LG01-V2 and  LA66 Shield must match and the LA66 Shield firmware is **[[LA66 Peer-to-Peer firmware>>http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/Instruction%20for%20LA66%20Peer%20to%20Peer%20firmware/]]**, users can use **AT+CFG** to check all configurations.
294 +**Prerequisites: **The configuration of LG01-V2 and  LA66 Shield must match, users can use **AT+CFG** to check all configurations.
295 295  
296 296  
297 -=== **Log Temperature Sensor(DHT11) and send data to LG01-V2, show it in Node-RED.** ===
297 +(% style="color:red; font-weight:bold" %)**LG01-V**(% style="color:red" %)**2 as Receiver: (configured as AT+RXMOD=65535,2)**
298 298  
299 299  
300 -(% style="color:red; font-weight:bold" %)**LG01-V**(% style="color:red" %)**2 as Receiver: (configured as AT+RXMOD=65535,2)**
300 +**LG01-V2 configuration:**
301 301  
302 302  (% class="box infomessage" %)
303 303  (((
304 -**LG01-V2 configuration:**
305 -
306 306  AT+FRE=868.100,868.100  ~-~--> TX and RX frequency set: 868100000
307 307  AT+BW=0,0  ~-~--> TX and RX Bandwidth set: 125kHz
308 308  AT+SF=12,12  ~-~--> TX and RX Spreading Factor set: SF12
... ... @@ -312,101 +312,31 @@
312 312  AT+CR=1,1  ~-~--> TX and RX Coding Rate
313 313  AT+IQ=0,0  ~-~--> TX and RX InvertIQ
314 314  AT+PREAMBLE=8,8  ~-~--> TX and RX Preamble Length set: 8
315 -AT+SYNCWORD=0  ~-~-->  Syncword**(0: private，1: public)**
313 +AT+SYNCWORD=0  ~-~-->  Syncword**(0: private，1: public), **the corresponding Lora shield syncword is 0x12
316 316  AT+RXMOD=65535,0  ~-~-->  Rx Timeout and Reply mode, RX window always open
315 +AT+RXDAFORM=1    
317 317  )))
318 318  
318 +[[image:image-20221102140053-4.png]]
319 319  
320 -(% style="color:red" %)**LA66 Shield as Sender: **
321 321  
322 -(% class="box infomessage" %)
323 -(((
324 -**LA66 Shield configuration:**
321 +(% style="color:red" %)**LA66 Shield as Sender: (AT+SEND=1,hello world,2,3)**
325 325  
326 -AT+FRE=868.100,868.100  ~-~--> TX and RX frequency set: 868100000
327 -AT+BW=0,0  ~-~--> TX and RX Bandwidth set: 125kHz
328 -AT+SF=12,12  ~-~--> TX and RX Spreading Factor set: SF12
329 -AT+POWER=14  ~-~--> TX Power Range set: 14dBm
330 -AT+CRC=1,1  ~-~--> TX and RX CRC Type
331 -AT+HEADER=0,0  ~-~--> TX and RX Header Type
332 -AT+CR=1,1  ~-~--> TX and RX Coding Rate
333 -AT+IQ=0,0  ~-~--> TX and RX InvertIQ
334 -AT+PREAMBLE=8,8  ~-~--> TX and RX Preamble Length set: 8
335 -AT+SYNCWORD=0  ~-~-->  Syncword**(0: private，1: public)**
336 -AT+RXMOD=6,0  ~-~-->  Rx Timeout and Reply mode
337 -)))
338 -)))
323 +[[image:1667456058832-484.png||height="291" width="353"]]
339 339  
340 340  
341 -After the above configuration is complete, users can send test simulation data to check whether the configuration is correct, In LA66 sheild serial console send:(% style="color:red" %)**(AT+SEND=1,hello world,2,3).**
342 -
343 -When LG01-V2 replies with ACK when it receives a packet sent by LA66 sheild.
344 -
345 -[[image:image-20221108164413-2.png]]
346 -
347 -
348 -In the real-time log of LG01-V2：
349 -
350 -[[image:image-20221108170314-3.png]]
351 -
352 -
353 -**Hardware Connection**
354 -
355 -(% class="box infomessage" %)
356 -(((
357 -**The DHT11 sensor connects to the LA66 Shield:**
358 -
359 -**VCC  <~-~--> 3.3V (Red line)**
360 -**DATA <~-~--> PIN8 (Purple line)**
361 -**GND  <~-~--> GND (White line)**
326 +Instruction for Peer-to-Peer firmware:[[ **Instruction **>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/Instruction%20for%20LA66%20Peer%20to%20Peer%20firmware/]]
362 362  )))
363 363  
364 -[[image:image-20221108170731-5.png||height="588" width="441"]]
365 365  
330 +Users can import this example in node-red: **[[attach:serial USB.json||target="_blank"]]**
366 366  
367 -==== **1. Open Arduino IDE** ====
332 +[[image:image-20221104100520-2.png||height="605" width="1150"]]
368 368  
369 -[[image:image-20221108172149-6.png||height="650" width="542"]]
370 370  
335 += (% style="color:inherit; font-family:inherit; font-size:29px" %)**6. How users can access LG01**(%%)**-V​​​​​​​(% style="color:inherit; font-family:inherit; font-size:29px" %)2 using serial USB(%%)** =
371 371  
372 -==== **2. Open project** ====
373 373  
374 -
375 -Users can download Arduino files from this link: [[attach:Log-Temperature-Sensor-and-send-data-to-Node-red.ino||target="_blank"]]
376 -
377 -Then click Compile and Upload to LA66 Shield,
378 -
379 -[[image:image-20221108172432-7.png]]
380 -
381 -
382 -==== **3. Open the Serial Monitor to check the LA66 Shield data** ====
383 -
384 -
385 -The LA66 Shield reads the temperature and humidity data from the sensor and sends it to LG01-V2,
386 -
387 -[[image:image-20221108174840-8.png||height="731" width="671"]]
388 -
389 -[[image:image-20221108175113-9.png||height="556" width="998"]]
390 -
391 -
392 -==== **4. Import the flow to the built-in server on LG01-V2** ====
393 -
394 -
395 -Users can import this example in Node-Red: [[attach:Log-Temperature-Sensor-and-send-data-to-node-red.json||target="_blank"]]
396 -
397 -[[image:image-20221108180334-10.png||height="651" width="1141"]]
398 -
399 -
400 -The temperature and humidity chart is displayed in the built-in node-red UI
401 -
402 -**Browser input: (% style="background-color:yellow" %)__//http:~/~/<local-IPV4-address>//__(%%)**
403 -
404 -[[image:image-20221108180458-11.png||height="402" width="1137"]]
405 -
406 -
407 -= (% style="color:inherit; font-family:inherit; font-size:29px" %)**6. How users can access LG01**(%%)**-V(% style="color:inherit; font-family:inherit; font-size:29px" %)2 using serial USB(%%)** =
408 -
409 -
410 410  (% style="color:blue" %)**USB TTL to LG01-V2  Connection:**
411 411  
412 412  
... ... @@ -479,7 +479,7 @@
479 479  [[image:image-20221101161951-3.png]]
480 480  
481 481  
482 -**Test the LG01-V2 to send data:**
410 +**Test the LG01-V​​​​​​​2 to send data:**
483 483  
484 484  [[image:image-20221101162527-4.png]]
485 485  
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