I've taken apart a cheap kitchen timer, and taken out the LCD. I want to try to drive it with an Arduino and shift register. I've heard that you don't want to use DC to drive these, so what voltage level of AC should one use? Also, are there any simple low voltage inverter circuits I could utilize f…

Hacking a kitchen timer LCD

MorganS August 8, 2016, 4:30pm 2

Unless you can find a datasheet for that unit, you are just making shots in the dark. Toss it and buy one that has a datasheet.

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