Check out this really neat project shared by mvencelj on Instructables:
A friend needed a light for a basement storage room with no mains electricity available.
Wishes:
assume 1 minute of ON time per day,
works from cheap and common batteries,
long battery life (1 year+),
possibly hands-free operation.
I decided to use a widely available hobby PIR sensor board as the switch and design around that, aiming for 2 years of battery service.
Make a robot friend with Adafruit’s CRICKIT – A Creative Robotics & Interactive Construction Kit. It’s an add-on to our popular Circuit Playground Express, FEATHER and other platforms to make and program robots with CircuitPython, MakeCode, and Arduino. Start controlling motors, servos, solenoids. You also get signal pins, capacitive touch sensors, a NeoPixel driver and amplified speaker output. It complements & extends your boards so you can still use all the goodies on the microcontroller, now you have a robotics playground as well.
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