DIY MP3 Player Kit: Solder-Your-Own Electronics Project

Build your own fully functional MP3 player with this all-in-one DIY electronics kit. Whether you’re a hobbyist, student, or looking for a unique project, this kit gives you everything you need to assemble a compact audio player that plays a single MP3 file from an included 4GB micro SD card.

Features:
- Custom Audio Playback – Load any one MP3 file of your choice onto the micro SD card and the player will auto-play it on power-up.
- Magnet-Controlled Pause – Pause and resume audio by simply bringing a magnet near the built-in reed sensor.
- 3-Level Volume Control – Toggle between three preset volume levels with a push button.
- Reset/Debug Button – Use the secondary button to restart the system manually.
- Rechargeable Power – Runs on an included 9V rechargeable battery.

What’s Included:
- 1x Pre-programmed ATtiny85 microcontroller
- 1x MP3 player module
- 1x 4GB micro SD card
- 1x 9V rechargeable battery
- 1x PCB (custom designed)
- 1x 3mm LED
- 2x Momentary push button switches
- 1x Reed sensor
- 1x Mini speaker
- 2x Resistors
- 1x Capacitor
- 1x Linear voltage regulator

Assembly Options:
- Soldered – Receive a fully assembled, ready-to-use unit.
- DIY Kit (Unsoldered) – Get all components loose to solder and build it yourself!

This is a great hands-on project for anyone into DIY electronics or looking for a fun and functional weekend build.