Acionamento com bluetooth com ATtiny85

                        // ##### Bluetooth
// Armazena o caracter recebido
#include <SoftwareSerial.h>
SoftwareSerial Bluetooth (3,4); // TX - RX

char blue;

byte led = 2;

void setup(){
  Bluetooth.begin (9600);
  pinMode (led, OUTPUT);
//  Serial.begin (9600);
}

void loop(){
  while(Bluetooth.available() > 0){
    switch (blue = Bluetooth.read());

    if(blue == '1'){ // Caso receba o caracter 1 acende o led
    digitalWrite (led, HIGH);
  }
   if (blue == '2'){ // Caso receba o caracter 2 apaga o led
    digitalWrite (led, LOW);
  }
 }
}