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+ ...

The classic Casio wristwatch, a staple of affordable and reliable timekeeping, has been given a modern upgrade with the integration of a cutting-edge microcontroller. The Sensor Watch, as it is now ...

Casio has reshaped the idea of a smart outdoor watch by focusing on reliability rather than chasing full smartwatch experiences. As brands like Apple, Samsung, and Garmin continue to expand connected ...