Odbiornik

#include <Adafruit_NeoPixel.h>
#include <VirtualWire.h>

#define PIN            6
#define NUMPIXELS      20

Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);

void Mode(int NoOfMode){
	switch(NoOfMode){
		case 0: //Start
			for(int i = 0; i < NUMPIXELS; i++){
				pixels.setPixelColor(i, pixels.Color(255,255,255));
				pixels.show();
			}
		  break;
		case 1: //Red Intens
			for(int i = 0; i < NUMPIXELS; i++){
				pixels.setPixelColor(i, pixels.Color(255,0,0));
				pixels.show();
			}
		  break;
		case 2: //Green Intens
			for(int i = 0; i < NUMPIXELS; i++){
				pixels.setPixelColor(i, pixels.Color(0,0,255));
				pixels.show();
			}
		  break;
		case 3: //Blue Intens
			for(int i = 0; i < NUMPIXELS; i++){
				pixels.setPixelColor(i, pixels.Color(0,255,0));
				pixels.show();
			}
		  break;
	}
}

void setup()
{
	Mode(0);
	vw_setup(2000);
    vw_set_rx_pin(4);
    vw_rx_start();
}

void loop()
{
	uint8_t buf[VW_MAX_MESSAGE_LEN];
    uint8_t buflen = VW_MAX_MESSAGE_LEN;
	String message;
	int messageInt;

		message = "";
		messageInt = 0;
		vw_wait_rx();
		vw_get_message(buf, &buflen);


		for (int i = 0; i < buflen; i++){
			message +=char(buf[i]);
		}

		messageInt = message.toInt();

		Mode(messageInt);

}