ask_receiver_servo_led.ino

#include <Servo.h>

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

//RH_ASK driver;  //Defaults to receive on pin D11 and transmit on pin 5
 RH_ASK driver(2000, 11, 5, 0); //Bitrate, rx pin, tx pin, transmit controller pin

Servo servo1;
int servo1Pin = 2;
int ledPin = 5;

void setup()
{

  servo1.attach(2);
  pinMode(ledPin, OUTPUT);
  
#ifdef RH_HAVE_SERIAL
  Serial.begin(9600);	  // Debugging only
  delay(1000);
  Serial.println("Beginning now");
#endif
  if (!driver.init())
#ifdef RH_HAVE_SERIAL
    Serial.println("init failed");
#else
    ;
#endif

}

void loop()
{
  uint8_t buf[RH_ASK_MAX_MESSAGE_LEN];
  uint8_t buflen = sizeof(buf);

  if (driver.recv(buf, &buflen)) // Non-blocking
  {
    driver.printBuffer("Got:", buf, buflen);
    int firstServoVal = buf[0];
    int ledVal = buf[1];
    Serial.print("First servo at:");
    Serial.print(firstServoVal);
    Serial.print("\tLED at:");
    Serial.println(ledVal);

    firstServoVal = map(firstServoVal, 0, 255, 0, 180);
    servo1.write(firstServoVal);

    ledVal = constrain(ledVal, 0, 255);
    analogWrite(ledPin, ledVal);


    //Message with a good checksum received, dump it in raw data
    //driver.printBuffer("Got:", buf, buflen);
  }
}