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Electronics › Electronics › Delete me
Delete me.
Hi,
Suggest you to select the digital ICs first and then start experimenting with them. You can find so many examples with the help of google, here are few link from this website itself.
http://www.engineersgarage.com/electronic-circuits/code-locking-system
http://www.engineersgarage.com/electronic-circuits/timer-based-code-lock
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