Simple Electronic Piano
Electronics can make sounds very easily with just a handful of parts. Here's how to make a simple piano using a 555 timer. I designed and tested this circuit using 123D Circuits, and then built the real thing.Here's everything you'll need: 1 x 555 timer (Jameco) 8 x pushbuttons (Jameco) 1 x 100 nF capacitor (Jameco) 1 x Resistor assortment - 390Ω, 620Ω, 910Ω, 2 x 1kΩ, 1.1kΩ, 1.3kΩ, 1.5kΩ, 6.2kΩ (Jameco) 1 x Piezo buzzer (Jameco) 22 AWG hookup wi...