Using 12 pins (one for each note in the chromatical scale) and interrupts handling. C: 22 C#: 23 D: 24 D#: 25 E: 26 F: 27 F#: 28 G: 29 G#: 37 A: 36 A#: 35 B: 34 To close the player connect a wire ...

This repository contains the source code and schematic diagrams for a traffic light control system using Arduino and Python. The system includes multiple operating modes, configurable time frames, ...