Thanks for help everyone!
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Just to clarify, I am making a Lap counter with NO timer (couldn't find constant manufacturer of the chips I wanted). I have designed a circuit (which works!), where the user sets the number of laps, then flicks a switch (rocker) before they start the race. I can't do a start sequence unfortunately without adding loads of components. I have made sure that each lap counted will only count as one lap by using a schmitt trigger to eliminate switch bounce. The design of the case is a bridge over the track with an infra red sender and receiver, which sends a signal which is broken by the car.
Thanks!
Just to clarify, I am making a Lap counter with NO timer (couldn't find constant manufacturer of the chips I wanted). I have designed a circuit (which works!), where the user sets the number of laps, then flicks a switch (rocker) before they start the race. I can't do a start sequence unfortunately without adding loads of components. I have made sure that each lap counted will only count as one lap by using a schmitt trigger to eliminate switch bounce. The design of the case is a bridge over the track with an infra red sender and receiver, which sends a signal which is broken by the car.
Thanks!
