I am trying to build a HM-10 bluetooth controlled RC- car that uses 4 motors connected to a motor driver. I am using an iPhone app that outputs F,B,R and L for forward, back left and right. The ports 4- 7 are right side forward, right side . reverse and vice versa for 6 and 7. I am having a variety of errors running the code and would appreciate any help .The code is below:
char m = 0;
#include <SoftwareSerial.h>
SoftwareSerial HM10(2, 3); // RX = 2, TX = 3
void setup() {
pinMode(4, OUTPUT);
pinMode(5, OUTPUT);
pinMode(6, OUTPUT);
pinMode(7, OUTPUT);
Serial.begin(9600);
HM10.begin(9600); // set HM10 serial at 9600 baud rate
}
void loop()
{
if (HM10.available()) // Read from HM-10 and send to Serial Monitor
Serial.write(HM10.read());
if (Serial.available()) // Read from Serial Monitor and send to HM-10
HM10.write(Serial.read());
m =Serial.read();
}
if (m =='F')
{
digitalWrite(4, HIGH);
digitalWrite(5, LOW);
digitalWrite(6, HIGH);
digitalWrite(7, LOW);
}
else if (m=='B')
{
digitalWrite(4, LOW);
digitalWrite(5, HIGH);
digitalWrite(6, LOW);
digitalWrite(7, HIGH);
}
else if (m=='R')
{
digitalWrite(4, HIGH);
digitalWrite(5, LOW);
digitalWrite(6, LOW);
digitalWrite(7, HIGH);
}
else if (m=='L')
{
digitalWrite(4, LOW);
digitalWrite(5, HIGH);
digitalWrite(6, HIGH);
digitalWrite(7, LOW);
}
else
{
digitalWrite(4, LOW);
digitalWrite(5, LOW);
digitalWrite(6, LOW);
digitalWrite(7, LOW);
}
}
;