from arduino import Arduino import time #b = Arduino('/dev/ttyUSB0') b = Arduino('COM4') pin = 3 #declare output pins as a list/tuple b.output([pin]) #b.output([2,3]) for x in range(1000): #b.setHigh(pin) #time.sleep(1) #print b.getState(pin) #b.setLow(pin) #print b.getState(pin) #time.sleep(1) b.step() #time.sleep(1) b.close()