This Electronic Mail Box circuit generates music intimating the arrival of mail. The circuit uses a high bright White LED and an LDR to detect the arrival of mail in the box. IC NE 555 is designed as ...

For the Ottawa Mini-Maker Faire this year, [Steven Dufresne] created an electronic take on the classic mechanical music box. A typical music box uses a sequence of bumps on a rotating drum to pluck… ...

This digital music box looks silly, ... Circuit Breaker; This digital music box looks silly, anachronistic, and lots of fun to use. by James Vincent. Source XOXX Composer. Jun 29, 2016, 1:12 PM UTC ...