Bluetooth Module HC06
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| https://www.olimex.com/Products/Components/RF/BLUETOOTH-SERIAL-HC-06/resources/hc06.pdf |
Wiring
HC06 to Arduino
RX ---> 11
TX ---> 10
Motor Wiring
Arduino to Wheel motor
2 ---> ENA
3 ---> IN1
4 ---> IN2
5 ---> IN3
6 ---> IN4
7 ---> ENB
Arduino to Arm motor
A0 ---> ENA
A1 ---> IN1
A2 ---> IN2
A3 ---> IN3
A4 ---> IN4
A5 ---> ENB
MIT Inventor App build
Code
#include<SoftwareSerial.h>
char receivedChar;
int ENA=2;
int IN1=3;
int IN2=4;
int IN3=5;
int IN4=6;
int ENB=7;
int ENA1=A0;
int IN11=A1;
int IN12=A2;
int IN13=A3;
int IN14=A4;
int ENB1=A5;
SoftwareSerial mySerial(10, 11); // RX, TX
//RX on Bluetooth to TCX on Arduino through a voltage divider 50ohm from arduino and 100ohm to ground. This is so we can drop the the voltage down to 3.3v (roughly)
// Use blueterm on android to get messages
void setup()
{
pinMode(ENA,OUTPUT);//output
pinMode(ENB,OUTPUT);
pinMode(IN1,OUTPUT);
pinMode(IN2,OUTPUT);
pinMode(IN3,OUTPUT);
pinMode(IN4,OUTPUT);
pinMode(ENA1,OUTPUT);//output
pinMode(ENB1,OUTPUT);
pinMode(IN11,OUTPUT);
pinMode(IN12,OUTPUT);
pinMode(IN13,OUTPUT);
pinMode(IN14,OUTPUT);
mySerial.begin(9600);
}
void loop() // run over and over
{
while (!mySerial.available()); // stay here so long as COM port is empty
receivedChar = mySerial.read();
if (receivedChar == 'A') {
//digitalWrite(ENA,LOW);
// digitalWrite(ENB,LOW);// High is start driving car
digitalWrite(ENA,HIGH);
digitalWrite(ENB,HIGH);// High is start driving car
digitalWrite(IN1,LOW);
digitalWrite(IN2,HIGH);//setting motorA's directon
digitalWrite(IN3,LOW);
digitalWrite(IN4,HIGH);//setting motorB's directon
}
if (receivedChar == 'B') {
// digitalWrite(ENA,LOW);
// digitalWrite(ENB,LOW);// High is start driving car
digitalWrite(ENA,HIGH);
digitalWrite(ENB,HIGH);// High is start driving car
digitalWrite(IN1,HIGH);
digitalWrite(IN2,LOW);//setting motorA's directon
digitalWrite(IN3,HIGH);
digitalWrite(IN4,LOW);//setting motorB's directon
}
if (receivedChar == 'C')
{
// digitalWrite(ENA,LOW);
// digitalWrite(ENB,LOW);// High is start driving car
digitalWrite(ENA,HIGH);
digitalWrite(ENB,HIGH);// High is start driving car
digitalWrite(IN1,HIGH);
digitalWrite(IN2,LOW);//setting motorA's directon
digitalWrite(IN3,LOW);
digitalWrite(IN4,LOW);//setting motorB's directon
} // if it is a 3 flash the LED
if (receivedChar == 'D') {
//digitalWrite(ENA,LOW);
//digitalWrite(ENB,LOW);// High is start driving car
digitalWrite(ENA,HIGH);
digitalWrite(ENB,HIGH);// High is start driving car
digitalWrite(IN1,LOW);
digitalWrite(IN2,LOW);//setting motorA's directon
digitalWrite(IN3,HIGH);
digitalWrite(IN4,LOW);//setting motorB's directon
} // if it is a 4 print out lots of sensor data
if (receivedChar == 'E') {
digitalWrite(ENA,HIGH);
digitalWrite(ENB,HIGH);// High is start driving car
digitalWrite(IN1,LOW);
digitalWrite(IN2,LOW);//setting motorA's directon
digitalWrite(IN3,LOW);
digitalWrite(IN4,LOW);//setting motorB's directon
}
}
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