The DIY version of the Ollee Watch one, which requires you to already have one of six different supported Casio watch models (including the F-84W, A159W, A171W, and W-59) is available now for $54.99.
The Casio F-91W is an absolute legend. A classic digital watch design that’s packed with features and can easily be found for under 20 bucks, it’s no wonder why Casio’s most affordable icon has found ...
A few years ago Joey Castillo introduced Sensor Watch, a $35 board designed to fit inside the shell of a Casio F-91W wristwatch, giving a classic watch some modern hardware including an ARM Cortex-M0+ ...
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