MP3 W2IN Last updated: 2026-07-05

This documentation explains step by step how to assemble and program your MP3 Player. Time required (excluding printing time): 2-3 hours.
For all analog enthusiasts: the instructions will be also available as a PDF file for printing very soon.

Download Instruction Download 3D printing parts

1. Partlist

You can use Amazon to order most components easily including te scres. Aliexpress is also a good option for the parts, which can significantly reduce material costsbut time consuming.
The printing files for the housing can be downloaded from makerworld.com
1 x Waveshare ESP32-S3 2in
1 x MAX98357 I2S DAC
1 x Litium Battery 3.7V
1 x Pinmoroni OnOff SHIM
1 x Mico-SD card
1 x Visatron FR8 TA, 10W, 4Ω
Speaker cable (≈0,5 mm2)
Cable (≈0,14 mm2)
1 x LED (5 mm)
4 x M3 / 5 mm
4 x M3 / 8-10 mm
4 x M3 / 5 mm

2. Software installation

Let's start with the installation of the software. First of all, we need to upload the firmware/software.

2.1 Install software

Go to the Web Installer and intall it following the instrctions.

  • SMT32-S3 Model: Waveshare SMT32-S3 2in
  • Operating system: Aurdino
  • SD card: Select the SD card

Attention

Make sure that you have selected the version you built or want to program your 2in LCD ESP32-S3 MP3 Player.