Loop is a compact MP3 player that's designed to be simple and portable.
- Can play and store up to 10,000 MP3 files from a microSD card
- 3.5mm TRRS headphone jack
- (Optional) speaker support
- Dual playback support(both headphones and speaker)
- USB-C charging
- 8-10 hours of battery life
- Physical buttons for control
- Custom 3D-printed case (magnet and screw versions)
| Component | Source | Price |
|---|---|---|
| DFPlayer | Amazon | $10.00 |
| TP4056 | AliExpress | $2.00 |
| M2 Screws | Aliexpress | $2.00 |
| M2 Heatset Inserts | Aliexpress | $2.00 |
| LiPo Battery | Amazon (900mAh) | $8.00 |
| Audio Jack | LCSC | $11.50 |
| Buttons (x3) | LCSC | $0.60 |
| Resistors | LCSC | $1.41 |
| Speaker (x2) | Aliexpress | $1.90 |
| PCB | JLCPCB | $31.00 |
| Case | Printed via Hack Club #printing-legion | Free |
| MicroSD Card | Aliexpress | $3.00 |
| Total | — | $73.41 |
Designed in Fusion 360. Available in ./case.
No firmware needed! DFPlayer handles all the playing.