button_trigger_pulse.py

import time 
last_time = 0 
led_state = True #Put these lines with the imports




        if wait_for_user_trigger:
            input_state = GPIO.input(18)
			if input_state == True:
                GPIO.output(23,True)
                continue
            if time.time()*1000 > last_time + (100): #100 meaning how fast to pulse
			    last_time = time.time()*1000.0
			    led_state = not led_state
				GPIO.output(23,led_state)