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Arduino on the Blog

Controlling LEDs with Charlieplexing

MAKE contributor Andy has created a great tutorial to introduce you to the utility of "Charlieplexing," a method for controlling multiple LEDs without the use of multiple microcontroller pins. With charlieplexing you can turn on or off one LED at a time. To light more than one LED at a... Read more »

By Stett Holbrook, May 24th, 2013 @ 1:51 pm

New Project: DIY 3D Laser Scanner Using Arduino

The principle behind this scanner is the typical of a line scanner. A laser beam intercepts the object to be measured and a camera, positioned at a known angle and distance shoots a series of images. With some trigonometry considerations and optic laws it is relatively easy to reconstruct the... Read more »

By Ken Denmead, @ 1:05 pm

The Toa Mata Drumbots Return

Italian maker and sound producer Giuseppe Acito returns with his robot percussion band by combining LEGO Bionicle bots, Arduino Uno, and an iPad MIDI sequencer app. Read more »

By Nick Normal, May 23rd, 2013 @ 10:55 am

Brendan Dawes: Sharing Your Work

This week, I interviewed the designer and maker Brendan Dawes for my podcast, Looking Sideways. Brendan's known for early interactive web projects like Psycho Studio, that allows users to remix Hitchcock's famous shower scene themselves. He's also known for his physical projects, such as the Moviepeg and Popa iPhone accessories,... Read more »

By Andrew Sleigh, May 22nd, 2013 @ 3:00 pm

Diyode Codeshield Gets a Lesson Plan

The Diyode Codeshield is a fascinating project out of the Diyode hackerspace in Guelph, ON. It’s an Arduino shield loaded with sensors, a buzzer, a motor, LEDs, a rotary encoder, and so on, with the idea that it would help people learn Arduino programming without having to learn about electronics... Read more »

By John Baichtal, @ 7:18 am