ESP32-Audio-Kit is a small audio development board based on ESP32-A1S module. Most audio peripherals are distributed on both sides of the development board, supporting TF card, headphone output, two microphone inputs and two speaker outputs. Low-power dual-core 32-bit CPU for application processors Main frequency up to 240MHz, computing power up to 600 DMIPS Built-in 520 KB SRAM, 8M PSRAM Supports interfaces such as UART/SPI/I2C/PWM