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