I am trying to build an electronic clapper board for fun. (I am a real novice). So far I have built a very simple circuit that when a button is pressed an LED lights up and a beep from a piezzo buzzer sounds (for as long as the button is held down).
To improve it I want the ability to be able to change the number of beeps (together with the LED flashes) from a dial. So if the dial is turned to '3' then 3 beeps together with 3 flashes will be emitted. Ideally the button is pressed only once and the beeps and flashes would last for an equal amount of time, say 1 second.
Can anyone tell me how I might go about building this. Preliminary reading suggests I should consider using a 555 timer ic (which I have never used before). Are there any similar circuits I could study. Thanks very much.
Julian
To improve it I want the ability to be able to change the number of beeps (together with the LED flashes) from a dial. So if the dial is turned to '3' then 3 beeps together with 3 flashes will be emitted. Ideally the button is pressed only once and the beeps and flashes would last for an equal amount of time, say 1 second.
Can anyone tell me how I might go about building this. Preliminary reading suggests I should consider using a 555 timer ic (which I have never used before). Are there any similar circuits I could study. Thanks very much.
Julian