Quasi-logarithmic kitchen timer

Like some of you, we have several kitchen appliances with integrated digital timers. I find them annoying: they are clunky to operate and if one uses them while cooking, the reflective surface gets covered in muck.Confusing, alien, evil technology.You can buy mechanical (wind-up) kitchen timers, but they’re imprecise and only ring once. There’s also a couple of cheap battery-operated units that can be adjusted by twisting an outer ring, but they have so-so reviews.But if there’s no good product to buy, why not make your own? I decided to build a digital timer with an old-school analog display and an easy-to-use adjustment knob. Further, to improve precision and legibility, I figured it would be nice to go with a logarithmic scale.Well, sort of: a truly logarithmic display wouldn’t work well with customary time units. That said, I came up with a compromise solution that divides the dial into four linear sections:Dial design (printable PDF version here).In the section up to the…

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