In 2020, it's no longer enough to simply wash your hands. You've got to do it right. Proper process involves rubbing soap and water over every surface of your hands, and taking a full 20 seconds to do the job. While many recommend singing various popular songs to keep time, that can be more than a little embarassing in shared spaces. [Alex Glow] instead created this simple timer to help out.
The timer is built on the Adafruit Circuit Playground Express, a devboard that features 10 RGB LEDs already onboard, making the project a cinch. It also comes with a MEMS microphone and a light sensor all ready to go. Thus, with a bit of code, [Alex] was able to create a timer activated by a loud noise, such as clapping. Once detected, the timer starts, flashing its LEDs to indicate time remaining. There's also a nightlight feature, which activates when light levels decrease, making it easier to navigate the bathroom in the dark.
It's a useful little project for these troubled times, and one that makes great use of everything onboard the Circuit Playground Express. Having everything included certainly does make projects come together quickly. You can even program it from your phone! Video after the break.
Tutorial on @hacksterio — hackster.io/glowascii
via https://ift.tt/2JCSDfc
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