Arduino Wireless Communication – NRF24L01 Tutorial(arduino无线通信---NRF24L01教程）

arduino下nrf24l01库文件及相关说明

库的说明文档

https://tmrh20.github.io/RF24/ 

 库的源代码github下载页面

https://tmrh20.github.io/RF24/ 

Arduino IDE直接安装库文件

直接在arduino库管理器中搜索“rf24”关键字 选择TMRh20作者的版本安装

 

 

 

 

发送的源码
/*

* Arduino Wireless Communication Tutorial

*     Example 2 - Transmitter Code

*               

* by Dejan Nedelkovski, www.HowToMechatronics.com

*

* Library: TMRh20/RF24, https://github.com/tmrh20/RF24/

*/

 

#include <SPI.h>

#include <nRF24L01.h>

#include <RF24.h>

 

#define led 12

 

RF24 radio(7, 8); // CE, CSN

const byte addresses[][6] = {"00001", "00002"};

boolean buttonState = 0;

 

void setup() {

  pinMode(12, OUTPUT);

  radio.begin();

  radio.openWritingPipe(addresses[1]); // 00001

  radio.openReadingPipe(1, addresses[0]); // 00002

  radio.setPALevel(RF24_PA_MIN);

}

 

void loop() {

  delay(5);

 

  radio.stopListening();

  int potValue = analogRead(A0);

  int angleValue = map(potValue, 0, 1023, 0, 180);

  radio.write(&angleValue, sizeof(angleValue));

 

  delay(5);

  radio.startListening();

  while (!radio.available());

  radio.read(&buttonState, sizeof(buttonState));

  if (buttonState == HIGH) {

    digitalWrite(led, HIGH);

  }

  else {

    digitalWrite(led, LOW);

  }

}

 

 

接受的源码
/*

* Arduino Wireless Communication Tutorial

*     Example 2 - Receiver Code

*               

* by Dejan Nedelkovski, www.HowToMechatronics.com

*

* Library: TMRh20/RF24, https://github.com/tmrh20/RF24/

*/

#include <SPI.h>

#include <nRF24L01.h>

#include <RF24.h>

#include <Servo.h>

#define button 4

RF24 radio(7, 8); // CE, CSN

const byte addresses[][6] = {"00001", "00002"};

Servo myServo;

boolean buttonState = 0;

void setup() {

  pinMode(button, INPUT);

  myServo.attach(5);

  radio.begin();

  radio.openWritingPipe(addresses[0]); // 00002

  radio.openReadingPipe(1, addresses[1]); // 00001

  radio.setPALevel(RF24_PA_MIN);

}

void loop() {

  delay(5);

  radio.startListening();

  if ( radio.available()) {

    while (radio.available()) {

      int angleV = 0;

      radio.read(&angleV, sizeof(angleV));

      myServo.write(angleV);

    }

    delay(5);

    radio.stopListening();

    buttonState = digitalRead(button);

    radio.write(&buttonState, sizeof(buttonState));

  }

}