6 buttons, 1 speaker and a program consisting entirely of 6 brief if functions. This is a very easy and elegant piano circuit that is easy to build, fun to play with and designed with future updates in mind.
•Speaker 8 Ω 0.5W X 1
•Resistors: 330Ω X 6
•Tactile Push Button 12mm x 6
p.s: too easy for ya?, well its a part of a free, fully documented
(programs+schematics) online course designed to get young kids into electronics, so if you think it's any good pass it on? Handouts + Schematics available on http://robotix.com.au/tutorials.html for free download