3pcs ESP32-A1S ESP32S WiFi + Bluetooth Audio Module on ESP32 Onboard Antenna Development Board

Description: ESP32-A1S module is a small-volume multi-function audio module. It adopts ESP32 with dual-core processor as the main control. The main frequency is up to 600DMIPS. The module is internally equipped with 4M PSRAM and CodeC audio processing chip, which can be widely used. Networked occasions. The module is packaged in SMD and can be directly attached to the backplane for quick production. It provides customers with a highly reliable connection method, which is especially suitable for modern, large-scale, low-cost production methods. Support for a variety of peripherals, with a small number of peripheral devices to achieve different audio solutions. The module supports cloud platform access, users can easily access Amazon or Baidu voice recognition service, and accelerate the development process of Bluetooth + Wi-Fi dual-mode audio solution. Support a variety of mainstream compression and lossless audio formats, including M4A, AAC, FLAC, OGG, OPUS, MP3 and so on. Feature: The main chip uses a low-power dual-core 32-bit CPU with a frequency of up to 240MHz and computing power of up to 600DMIPS. Built-in CodeC audio decoding chip for local playback of music and recording Supports two MIC inputs and Linein mode inputs Support for headphones and speaker output Built-in 520KB SRAM+ 4M PSRAM, default 32Mbit SPI Flash Support SoftAP and Station mode Ultra-small 802.11b/g/n Wi-Fi + BT/BLE SoC module Support UART/SPI/I2C/I2S/PWM/ADC/DAC, etc. Support for firmware upgrade (FOTA) Antenna supports on-board antenna or IPEX block output Supports a variety of mainstream compression and lossless audio formats, including M4A, AAC, FLAC, OGG, OPUS, MP3, WAV, etc. Package includes: 3 x Module