PYTHON CODE
import serial
“””download library file from
https://pypi.python.org/pypi/pyserial “””
ser = serial.Serial(port=’com2′,baudrate=9600)
#enter comport name,baud rate
ser.close() #closes previously open serial port
ser.open() # opens serial port
while True:
x=raw_input(“ENTER LED STATE ? ON OR OFF n”)
if x== ‘on’ or x==’ON’:
ser.write(‘1′)
elif x==’off’ or x==’OFF’:
ser.write(‘0’)
#enter ctrl+c for closing this infinite loop
ARDUINO CODE
char data;
void setup()
{
pinMode(13, OUTPUT);
Serial.begin(9600);
delay(100);
}
void loop()
{
if(Serial.available()>0)
{
data=Serial.read();
if(data==’1′) digitalWrite(13, HIGH);
else if (data==’0′) digitalWrite(13, LOW);
}
}