Description:

Ai-Thinker ESP32-A1S WiFi+BT Audio Module Development Board is an ultra-small, powerful module. Built-in advanced low-power dual-core 32-bit CPU and Codec AC101 audio decoding chip, can be widely used in various IoT applications, suitable for home smart devices, smart Audio, story machine solutions, etc., are the ideal solution for IoT applications.

Ai-Thinker ESP32-A1S WiFi+BT Audio Development Board internal circuit is highly integrated, supports a variety of peripherals, can support secondary development, and quickly realizes product differentiation.

ESP32-A1S Audio Module adopts an SMD package to realize the rapid production of products and provide customers with a 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.

Specifications:

• Audio Output: Support 1 channel headphone output and 1 channel left and right speaker output
• Antenna Type: IPEX and PCB
• Audio Input: Support LINEIN and 2-way MIC input
• Bluetooth Version: 4.2
• Current Dissipation: 350 mA
• RAM:520KB SRAM +4M PSRAM
• SPI Flash: Default 32Mbit
• Operating Temperature: -20 to 85C

Features:

• Low power 32-bit CPU, can also serve the application processor
• Built-in AC101 Codec audio decoding chip, can support playing music and recording
• Supports UART/SPI/I2C/PWM/ADC/DAC
• Support for firmware upgrade (FOTA)
• The antenna supports an on-board antenna or IPEX block output
• Built-in 520 KB SRAM, external 4MPSRAM
• The smallest 802.11b/g/n WiFi BT SoC Module
• Supports audio input methods such as MIC and Line-in.
• Supports a variety of mainstream compression and lossless audio formats, including M4A, AAC, FLAC, OGG, OPUS, MP3, WAV, etc.

Package Included:

1 x Ai-Thinker ESP32-A1S WiFi+BT Audio Module Low-Power, High-Performance Audio Module Compact Audio Development Board WiFi+BT Audio Module