There was a buzz created in the 1990s when the series of “Magic Eye” books were first published. These books displayed 3D images on plain paper without the need of any special head gear like red-green, Polaroid or LCD shutter glasses. These 3D images could be seen with the naked eye.
The secret was the use of a horizontal repeating series of dots with a slight variation in the repeating series to give the illusion of depth in the 2D image. These images have been called a few names, including autostereograms, single image random dot stereograms (SIRDS), and single image stereograms (SIS). We will call them autostereograms in this learning guide.
With the Tiny Autostereogram Construction Kit (or TACK for short), you can create your own autostereograms using CircuitPython and an Adafruit Metro M4 Express and an Adafruit ePaper shield. It creates these 3D images from black and white or grayscale BMP images and display them on an Adafruit ePaper shield. You can even save them to a file and post them on social media.
Interested in ePaper / eInk projects? Go to learn.adafruit.com for a variety of free tutorials.
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, or even use Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for MakeCode, CircuitPython, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.
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