555 Timer based Electronic code lock circuit | SdevElectronics
4:08
YouTubeSDev Electronics
555 Timer based Electronic code lock circuit | SdevElectronics
In this Tutorial, we'll see about How to make a Simple Electronic Code lock with 555 timer IC & demonstration. In this Lock, there will be 8 buttons and one needs to press specific four buttons simultaneously to unlock the Lock. The 555 IC is configured as a Monostable Mulitvibrator here. My password is 1458. Don't Share it with anyone. You can ...
21.5K viewsMar 2, 2019
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