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My first digital project

Discussion in 'General Electronics Discussion' started by hyudryu, Apr 4, 2010.

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  1. hyudryu


    Feb 24, 2010
    Hi, i just bought some PCB etching stuff and i want to make my first digital project. I want to make a timer that counts up to 5 mins.This is my design.
    The on switch is flipped. after 10 seconds, the 1st led turns on, after another 10 seconds, the 2nd LED turns on and after 10 more seconds, the 3rd LED lights up, etc. Until it reaches the 6th led. After that, another LED on the side counts how many minutes have passed. Can you give me a list of things i need to buy?
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