ESP32-A1S
Product Parameters：
Pin Description：
Product Features：
The main chip uses a low-power dual-core 32-bit CPU with a frequency of up to 240MHz and a computing power of up to 600DMIPS.
Built-in CodeC audio decoder 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 , 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.
ESP32-Aduio-Kit
ESP32-Audio-Kit is a small audio development board based on ESP32-A1S module. Most audio peripherals are distributed on both sides of the development board, supporting TF card, headphone output, two microphone inputs and two speaker outputs. It is convenient for developers to develop quickly. Suitable for home smart devices, smart speaker solutions, children's story machine prototypes, etc. , is an ideal solution for IoT applications.
Characteristics;
Low-power dual-core 32-bit CPU for application processors
Main frequency up to 240MHz, computing power up to 600 DMIPS
Built-in 520 KB SRAM, 8M
Supports interfaces such as UART/SPI/I2C/PWM
Headphone port: Insert 3.5mm headphone jack to support left and right channel output
Left and right channel speakers: support output 4Ω 3W speaker output, and support dual channel output
Two analog microphones, respectively, as audio input; support for headset microphone input
Support 3.7V lithium battery input; support 5V 2A power input, support simultaneous lithium battery charging
Support 64G SD card reading and writing
Support multiple sleep modes
Embedded Lwip and FreeRTOS
Support STA/AP/STA+AP working mode
Support Smart Config/AirKiss One-click distribution network
