Ai Thinker ESP32-A1S WiFi+BT Audio Development Board

 Ai-Thinker ESP32-A1S WiFi+BT Audio Development Board 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. It is especially suitable for modern, large-scale, low-cost production methods, and is convenient for various IoT hardware terminal applications. 

Features:

The smallest 802.11b/g/n WiFi BT SoC Module Low power 32-bit CPU, can also serve the application processor Z Built-in AC101 Codec audio decoding chip, can support playing music and recording Supports UART/SPI/I2C/PWM/ADC/DAC  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. 

Specifications:-

Module Model: ESP32-A1S

Antenna Type: IPEX and PCB

Audio Input: Support LINEIN and 2-way MIC input

Audio Output: Support 1 channel headphone output and 1 channel left and right speaker output

Bluetooth Version: 4.2

Custom IO Port: 14

Operating Temperature (°C): -20 to 85

Package/Case: SMD-38

Current Dissipation (mA): 350

Input Supply Range (VDC): 3.3

RAM: 520KB SRAM +4M PSRAM

Receiving Sensitivity: 

54 Mbps (3/4 64-QAM): -70dBm

6 Mbps (1/2 BPSK): -88dBm

CCK, 1 Mbps: -90dBm

CCK, 11 Mbps: -85dBm

MCS7 (65 Mbps, 72.2 Mbps): -67dBm

Security: WPA/WPA2/WPA2-Enterprise/WPS

SPI Flash: Default 32Mbit

Transmit Power (dBm): 

802.11b: 17±2 dBm (@11Mbps) 

802.11g: 14±2 dBm (@54Mbps) 

802.11n: 13±2 dBm (@MCS7) 

UART Baudrate: Default 115200 bps

Dimensions (WxHxL): 2.5x3x31.6mm

WIFI: 802.11 b/g/n/, Support DLNA protocol

Package Includes:-

1x Ai-Thinker ESP32-A1S WiFi+BT Audio Development Board