Cigarette case with timer on Arduino nano

I present to your attention "Cigarette case with timer on Arduino nano".

Principle of operation:
The cigarette case is closed for a predetermined period of time (e.g. 1 hour). After which
it is possible to open it within a short period of time (e.g. 5 min). The process is then repeated.

Disadvantages:
1.size
2. Power Consumption
3.Not universal power supply. (To switch to lithium batteries it is necessary to modify the box in order to be able to charge batteries)


Advise a reliable, not energy-consuming, miniature electric latch.

Cigarette case with timer on Arduino nano

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