Unfortuneately, others could not. Tired of rear-end repairs, Bob designed an automatic flasher that uses a pressure sensor in the brake line to measure the pressure applied to the brake pedal. The sensor output controls the rate of a 555 multivibrator chip, which in turn drives a high-power MOSFET in series with the brake lights. The harder Bob brakes, the faster his brake lights flash, and hopefully the harder the people behind him brake.
Brake Warning System Parts List
Allied Part #
Capacitor .001 µF
Capacitor 10 µF
Capacitor 1 µF
Resistors 221 KÙ
Resistors 100 KÙ
Resistor 100 Ù
Resistor 332 Ù
Additional parts required: transport vehicle with brake lights
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