Mini Electronic Piano with 555 Timer
Build a simple seven-note electronic keyboard using the versatile 555 timer IC. This project explains the astable multivibrator configuration and how to calculate resistor values for musical notes.
About us
Open-Electronics.org is the brainchild of a world leader in hobby electronics Futura Group srl. Open-Electronics.org is devoted to support development, hacking and playing with electronics: we share exciting open projects and create amazing products!
Open-Electronics.org is not just a container of ideas: it is also a web site lead by a team of engineers and geeks who will take part in the discussions and give support.
Our mission is to become a reference Open Source hacking site with ideas and feedback aimed to enrich the community.