The table shows the pin configuration of the Arduino UNO–based robotic arm. The red (VCC) wires of all servos are connected to the breadboard positive rail, and the brown/black (GND) wires are ...

[Tim] sent us his Noise Box Synth. The box is a sixteen step synthesizer that can generate sine, square, triangle, and sawtooth waves as well as a collection of sound effects (video after the break).