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// Hardware
// BT module   Arduino
// GND ------- GND
// VCC ------- 5V
// TX-O ------ pin0honda eCUB 2
// RX-I ------ pin1

// Servo       Arduino
// GND ------- GND
// VCC ------- VCC
// signal ---- pin4

// TX arduino -> RX BT module
// RX arduino -> TX BT module

#define bluetooth Serial
#include <Servo.h>
Servo aServo;

void setup(){
  delay(1000);
  Serial.begin(9600);
  aServo.attach(4);}


void loop(){
  int data = 0;

   if(Serial.available() > 0){
     data = Serial.read();
     Serial.print(data);
     Serial.print("\n");
     if(data == '1')
        aServo.writeMicroseconds(544);
      else if(data == '0')
        aServo.writeMicroseconds(2400);}}

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For attribution, please cite this page as:

Charters, T., "Bluetooth + Arduino": https://nexp.pt/bluearduino.html (23-01-2025 [00:03])

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(cc-by-sa) Tiago Charters - tiagocharters@nexp.pt