4 Digits Sequential Lock

253

03:58:56

Press and hold keys for few seconds to stabilize all Relays.
This is a 4 Digits Sequential Lock. If Lock number is 7138 then you have to press first 7 then 1 then 3 then 8 else Siren with Red light will start buzzing. Keys from top left to bottom right 1 2 3......7 8 9 0.
Now try to open the lock until Blue light is glow. Press Reset Button just above Battery and clear the Red light.

published 3 years ago

Redstone_guy

3 years ago

The code is actually 4927

592azy2circuitdude

3 years ago

Nice 👍

Redstone_guy

3 years ago

0927

longlivelavey

3 years ago

4,3,2, and 1 round DOWN to 0. 0 is already rounded down to 0!🙂

tkbiswas50

3 years ago

Try to open the lock by pressing proper code in sequence. If red light glow by touching any key means you have pressed wrong key.

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