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ESP32-A1S Wi-Fi+BT SoC Audio Module (IPEX block output)

by Seeed
SKU 2886
Sold out
£7.00 inc VAT
£5.83 ex VAT

RETIRED PRODUCT - We've stopped stocking this product or it has been retired by the manufacturer and is no longer for sale. This page remains available for its resources and as a source of potential interest.

The ESP32-A1S is an ultra-small, powerful audio module. With a built-in advanced low-power dual-core 32-bit CPU and Codec AC101 audio decoding chip, it can be widely used in various IoT applications. It's suitable for home smart devices, smart Audio, story machine solutions, etc., the ideal solution for IoT applications.

The ESP32-A1S internal circuit is highly integrated, supports a variety of peripherals, can support secondary development. ESP32-A1S adopts an SMD package to realise the rapid production of products and provide customers with high-reliability connection mode. It is especially suitable for modern, large-scale, low-cost production methods, and is convenient for various IoT hardware terminal applications.

  • The smallest 802.11b/g/n Wi-Fi BT SoC Module 
  • Low power 32-bit CPU can also serve the application processor
  • Built-in AC101 Codec audio decoding chip, can support playing music and recording
  • Built-in 520 KB SRAM, external 4MPSRAM
  • 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.
  • Supports audio input methods such as MIC and Line-in.

 Technical Details: 

  • SPI Flash: Default 32 Mbit
  • RAM: 520 KB SRAM +4M PSRAM
  • Wi-Fi: 802.11 b/g/n 
  • Bluetooth: 4.2 BR/EDR and BLE Standards, support for A2DP, AVRC protocol
  • Audio Output: Supports 1 channel headphone output and 1 channel left and right speaker output
  • Audio Input: Supports LINEIN and 2-way MIC input
  • Custom I/O Ports: 14
  • UART Baudrate: Default 115200 bps
  • Audio Format: MP3, WAV, M4A, AAC, FLAC, OGG, OPUS
  • Antenna: Onboard PCB antenna or IPEX antenna
  • Power Supply Range: 3.3V +- 0.3V