Computers & Mobile Technology
Giant etch-a-sketch built using projector

Members of the Manchester, UK hakcerspace HAC:Manchester used a projector, an Arduino, and some rotary encoders to build this giant project-a-sketch. Here’s a video of it in use by Maria of

[via Hackerspaces Soup]


10 thoughts on “Giant etch-a-sketch built using projector

  1. Cool! We did a similar project @ PICNIC in 2009 building this networked Etch-A-Sketch called ik-a-sketch – see This project ended up swamping PICNIC conference attendees’ profiles with scribbles… We used a shortrange projector, two potentiometers, arduino and processing. The clever bit was an accelerometer in the frame, so people could erase their drawings by shaking the massive board – or by jumping in front of it….

  2. Pingback: LED Etch-a-Sketch

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