Elektor proudly presents a free Arduino e-book written by David Cuartielles, co-founder of Arduino. Jump on the Arduino bandwagon. This stuff comes straight from the creator of the platform! This ...

I used an Uno Rev 3; your pins may be different. Connect one wire of your straight key to pin 7, and the other to ground. Connect one wire of your speaker to pin 9, and the other to ground. I also ...

The project involves coding the Arduino while sequencing 8 tone slots and the frequency of each slot would be controlled by a frequency knob. The controls on this console include four potentiometers ...