LED Sound Meter

In this guide you will learn to created an array of LEDs that visually represent the volume picked up by an electret microphone. You will learn how to wire 3 different circuits which are the LED array (which is really many individual circuits), the microphone, and a button which can be used... Read more »

Star Trails

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  • 12/18/2012 @ 11:04 pm

Star trails are the paths left by stars as seen from the earth. As the earth spins, the stars appear to move and circle in the sky. To capture the star trails you need a camera, a tripod and an automated trigger for your camera. The Arduino, a relay and... Read more »

MotorShield Kit

Arduino is a great starting point for electronics, and with a motor shield it can also be a nice tidy platform for robotics and mechatronics. The MAKE MotorShield Kit, designed by Adafruit Industries in partnership with MAKE, is a full-featured motor board that can power many simple to medium-complexity projects.... Read more »