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how do i make a led counter? Answered

send a instructable or other on how to make a LED counter. not a kit but take a calculator screen (just a example) and make it so when i press a switch it it counts up one (or down one) i want to take a nerf machine gun and it counts the "bullets" as they pass and have a reset button to send it back to zero.THANKS -kieran

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steveastroukBest Answer (author)2009-08-10

Use a few CD4033 chips and 7 segment LED units. Or this, using the 40110

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