First, draw some arrows and buttons for ‘pen up/down’, ‘colour change’, ‘bigger’ and ‘smaller’ in a very soft pencil on some paper. Draw tracks and wire up the arrows to the cursor keys on the Makey Makey. Pen up/down goes to the spacebar, colour change is S, bigger is W and smaller goes to key A. If you don’t have a Makey Makey, you can still use keys on your computer’s keyboard.
The code for Scratch-a-Sketch is here – you can play online in the Flash version if you like, you don’t even need Scratch installed.
Unlike a traditional Etch-a-Sketch, you can lift the pen up to move around without drawing, change colour and pen size, and combine keys such as 2 arrow keys to draw decent diagonal lines.
Today is Makey Makey™ Monday here at Adafruit! The MaKey MaKey – by Jay Silver and Eric Rosenbaum, made by JoyLabz! Ever played Mario on Play-Doh or Piano on Bananas? Alligator clip the Internet to Your World. MaKey MaKey is an invention kit for the 21st century. Find out more details at makeymakey.com or watch the video at makeymakey.com. Turn everyday objects into touchpads and combine them with the internet. It’s a simple Invention Kit for Beginners and Experts doing art, engineering, and everything in between! If you have a cool project you’ve made with your Makey Makey be sure to send it in to be featured here!
Have an amazing project to share? Join the SHOW-AND-TELL every Wednesday night at 7:30pm ET on Google+ Hangouts.
Join us every Wednesday night at 8pm ET for Ask an Engineer!
Learn resistor values with Mho’s Resistance or get the best electronics calculator for engineers “Circuit Playground” – Adafruit’s Apps!
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