The MakePython Audio expansion board is based on the UDA1334ATS audio DAC, to implement audio functions to ESP projects. It communicates with ESP32 with I2S, and output relatively good quality audio. Together with ESP32 for decoding, it could be an MP3 player immediately as the Github.

There 2 navigator switches, suitable for applications such as MP3 player: Previous / Next/ Confirm, and Audio adjusting. They're also a Micro-SD holder and audio jack on the board, which makes it ready to use for a real MP3 player.

Features:

• NXP Low Power Audio DAC: uDA1334
  
• Integrated Digital Filter Plus DAC
• Supports Sample Frequencies from 8 to 100 kHz
• Automatic System Clock Versus Sample Rate Detection
• Low Power Consumption
• I2S-bus and LSB-justified Format Compatible
• Digital de-emphasis for 44.1 kHz Sampling Rate
• Support Micro SD Card
• Working Temperature: -40 – 85℃
• Size: 70 x 32.6mm

Physical Dimension:

Documentation:

• Schematic

Package Includes:

• 1 x Makerfabs MakePython Audio Expansion