Race Start Lights

Posted on Jun 7, 2012

This project provides an simple F1 motor racing style 5 light race start sequence with a random delay that you can use on a real race track, kart circuit or even your slot-car circuit. Operation is simple; when the start button is pressed all the LED clusters are off. They then illuminate sequentially at one second intervals until all five LED clusters are on. After a random interval between 1 and about 7 seconds the LEDs extinguish, signalling the start of the race. Once the LEDs have extinguished simply press the start button again to initiate another race start sequence.

The circuit described on this page is designed around Kingbright's 52mm LED cluster module which comprises 50 red LEDs in a waterproof housing with a brightness in excess of 16000mcd. In the original version of this project each LED cluster was d

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