Serial-Controlled Musical Organ for ATmega168

?text=Serial+Organ "Serial Organ Banner"

Introduction

This project implements a serial-controlled musical organ on an ATmega168 microcontroller. Convert your computer keyboard into a musical instrument via the serial terminal!

Features

• 🎹 18-key polyphonic organ (2 octaves including sharps)
• 🎵 Real-time note playback via USART (9600 baud)
• 🎼 Pre-programmed songs (Twinkle Little Star, Imperial March)
• ⚡ Adjustable tempo (short/long note duration modes)
• 🔌 Simple hardware (MCU + buzzer + USB-to-serial)

Quick Start Guide

1. Connect buzzer to PD5 (configurable)
2. Connect USB-to-serial to PD0(RX)/PD1(TX)
3. Compile with make
4. Flash with make flash
5. Open serial terminal at 9600 baud
6. Press keys to play music!

Authors

• Roybel Carbonell Camejo

Date

2026-04-29

License

Open source - feel free to modify and distribute

Related Pages

• Serial Commands Reference
• Hardware Setup Guide
• Development & Customization