It is an MP3 player which can also play audio via bluetooth A2DP source and a PCM5102A module
I made this project because I wanted to experiment with mp3 players and I need an mp3 player with bluetooth outputs
This is the Schematic
This is the PCB
PCB 3D View
I designed it in Fusion360 which was pretty hard as it crashed idk why This is all the parts fitted togetherr
This is a cover which will sit on top of the battery
I have some parts outside of my PCB
| Name | Qty | Final Price - USD(BDT) | Link |
|---|---|---|---|
| ESP-32-WROVER-E | 1 | US $7.39 | here |
| NASAYI 10pcs/lot DM3AT-SF-PEJM5 | 10 | US $8.63 | here |
| CH340C sop-16 Chipset | 5 | US $1.44 | here |
| 6092 bq25185 USB / DC / Solar Charger with 3.3V Buck Board | 1 | US $13.66 | here |
| 100NF 0.1UF 50V C0805 Capacitor | 100 | US $0.73 | here |
| SSD1306 | 1 | US $1.42 | here |
| PCM5102A DAC | 1 | US $4.05 | here |
| Insert M1.6 Brass Heat Threaded Insert Nut and Stainless Steel Screw | set | US $15.02 | here |
| MHP30 Mini Hot Plate | 1 | US $13.52 | here |
| 18650 Lithium-ion | 2 | 348 BDT | here |
| PCB | 5 | US $26.68 | here |
| Stencil | 1 | US $$8.90 | here |
| Soldering Paste | 1 | US $3.81 | here |
| Top Case | 1 | Printing Legion | |
| Bottom Case | 1 | Printing Legion | |
| Battery Cover | 1 | Printing Legion |
Check this out
