Via Aidan25 on Instructables.
My friends John, Jared and I were challenged to design, prototype, and make a piece of wearable technology. We came up with a product, a pair of interactive wayfarers sunglasses. They have a photo-resistor right above the nose to detect the amount of light in the area. If it starts too get dark, it turns on the strip of neo-pixels to act as a flashlight. There is also a button on the side of the shades to control the position of the servo.
We also want it to be known that this project was designed, prototyped, and produced in 4 school days. This was not originally meant to be a work of art.
Read the full tutorial here.
Featured Adafruit Products!
Micro servo: Tiny little servo can rotate approximately 180 degrees (90 in each direction), and works just like the standard kinds you’re used to but smaller. You can use any servo code, hardware or library to control these servos. Good for beginners who want to make stuff move without building a motor controller with feedback & gear box, especially since it will fit in small places. Of course, its not nearly as strong as a standard servo. Works great with the Motor Shield for Arduino or by just wiring up with the Servo library. Comes with a few horns and hardware. Read more.
Photo cell (CdS photoresistor): CdS cells are little light sensors. As the squiggly face is exposed to more light, the resistance goes down. When its light, the resistance is about 5-10KΩ, when dark it goes up to 200KΩ. Read more.
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