Kitchen Timer using ATTiny2313 microcontroller

Kitchen Timer

At the moment I do not have a kitchen timer. Not because I do not want one, (they’re cheap enough to buy) but because it seems impossible to buy a kitchen timer with a decent user interface.

Kitchen Timer

That means I have to build my own, which I just the kind of stuff I like. The user interface is probably going to look like the picture. Using this timer is extremely simple: If you need an count down time of for example 7 minutes then all you have to do is press the “down” button for the units of the minutes 3 times and then press “Start/Add” and the countdown will start.

Up and down buttons also guarantee you don’t have walk through all digits if you accidentally press one of the “up buttons” once to many. That is a “feature” which I find very annoying on most simple timers.

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