433 MHz RF module

內容

  1. 1 433 MHz RF module
    1. 1.1 Hardware and Software
    2. 1.2 Sanki Notes
  2. 2 Examples
  3. 3 Send

    This page is to Setup and Config 433 MHz RF module
 

Hardware and Software

Hardware 
    
433 MHz RF module and Arduino

Software 
        1. Arduino IDE


Support :


Reference
  • (Project Level) http://arduinobasics.blogspot.hk/2014/06/433-mhz-rf-module-with-arduino-tutorial.html
  • (Good) http://randomnerdtutorials.com/rf-433mhz-transmitter-receiver-module-with-arduino/ 
  • (With Other Remote Control) http://www.princetronics.com/how-to-read-433-mhz-codes-w-arduino-433-mhz-receiver/
  • (Detail) http://www.instructables.com/id/RF-315433-MHz-Transmitter-receiver-Module-and-Ardu/
  • (Simple But Good) https://arduino-info.wikispaces.com/433-315Mhz-Pairs
  • (Detail and Project Level) https://www.pjrc.com/teensy/td_libs_VirtualWire.html

Example : 

Sanki Notes

  • Download Drive : http://www.airspayce.com/mikem/arduino/RadioHead/RadioHead-1.41.zip

Examples

  • Receive
  1. #include <RH_ASK.h>
#include <SPI.h> // Not actualy used but needed to compile

RH_ASK driver;

void setup()
{
    Serial.begin(9600); // Debugging only
    Serial.println("Start");
          if (!driver.init())
         Serial.println("init failed");
    else
         Serial.println("init OK"); 
}

void loop()
{
    uint8_t buf[30];
    uint8_t buflen = sizeof(buf);
    if (driver.recv(buf, &buflen)) // Non-blocking
    {
      int i;
      // Message with a good checksum received, dump it.
      Serial.print("Message: ");
      Serial.println((char*)buf);         
    }
}

Send

  1. #include <RH_ASK.h>
#include <SPI.h> // Not actually used but needed to compile

RH_ASK driver;

void setup()
{
    Serial.begin(9600);   // Debugging only
    if (!driver.init())
         Serial.println("init failed");
     else
         Serial.println("init OK"); 
}

int iCount = 0;
void loop()
{
    
    const char *msg = "Hello World !";
    //const char *msg = iCount;
    
    driver.send((uint8_t *)msg, strlen(msg));
    driver.waitPacketSent();
    Serial.println("Sending.....");
    iCount = iCount + 1;
    delay(500);
}

ċ
RadioHead-1.41.zip
(276k)
Murphy Poon,
2017年5月30日 下午8:02
v.1