Human Reaction Checker Circuit

This is wonderful circuit.by using this circuit you can measure whether you have good reactions or not because If you don't have speed reactions you are unable to get decisions quickly.Just think you are driving your vehicle at once a person appeared in front of your vehicle.at that situation you must have quick reaction to stop your vehicle.This circuit allow you to check it.If it is weak by practicing with this circuit you can improve it.






Here this LED blinks every 1.5s.But the light will appear only for 0.1s within that short period you must try to press the button.try this