DIY: Eye of Newt Halloween Pendant with Teensy

So you love making your own costumes for Halloween? Adafruit has shared a guide that shows you how to make your own Eye of Newt electronic pendant with a Teensy.

More items like this: here

You are going to need an OLED display, photo cell CdS Photoresistor, battery, switch, and other simple components to get started.

[instructions]

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