ESP32-Audio-Kit ESP32 Audio Development Board WiFi + Bluetooth Module ESP32 Serial to WiFi Module

ESP32-Audio-Kit ESP32 Audio Development Board WiFi + Bluetooth Module ESP32 Serial to WiFi Module

Description:
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-way microphone input and two-way speaker output. It is convenient for users to develop quickly. Suitable for home smart devices, smart speaker solutions, children's story machine prototypes, etc. It is an ideal solution for IoT applications.

Features:
- Low-power dual-core 32-bit CPU as application processor
- Main frequency up to 240MHz, computing power up to 600 DMIPS
- Built-in 520 KB SRAM, 8M PSRAM
- Supports for UART/SPI/I2C/PWM and other interfaces
- Headphone port: 3.5mm headphone jacks support left and right channel output
- Left and right channel speakers: support 4Ω 3W speaker output, and support dual-channel audio output
- Two-way analog microphones are used as audio inputs respectively. Support for headset microphone input
- Support 5V 2A power supply input
- Support for 64G SD card to read and write
- Support multiple sleep modes
- Embedded Lwip and FreeRTOS
- Support STA/AP/STA+AP working mode
- Support for Smart Config/AirKiss one-click to distribute network
- Support secondary development

Advantages:
ESP32
2.4GHz WiFi + Bluetooth dual-mode chip uses low-power 40nm technology. Power consumption and RF performance are the best. It is safe and reliable. It can be applied to various applications.

High Integration
ESP32 integrates dual-core 160MHz MCU, two FPU, hardware security accelerator, capacitive touch sensor, Hall sensor, ADC, DAC, Bluetooth / WiFi protocol stack, TR filter, duplexer, power amplifier, T/R low noise amplifier, RF balun and antenna switch. ESP32 has no more than 10 peripheral devices, which can realize powerful processing performance, reliable security performance, and WiFi and Bluetooth functions.

WiFi & Bluetooth Solutions
ESP32 can be used as a stand-alone system, running applications or slave devices of host MCU, providing WiFi and Bluetooth functions via SPI / SDIO or I2C / UART interface.

Ultra Low Power Consumption
This chip has all the features of the industry's highest level of low power chips, such as fine-resolution clock gating, power saving mode and dynamic voltage adjustment.

Stable Performance
ESP32 integrates more components, features stable performance and is easy to manufacture. Operating temperature range is -40℃ to 125℃. ESP32 also integrates an advanced calibration circuit to achieve dynamic automatic adjustment, which can eliminate defects in external circuits and adapt to changes in external conditions.

Specifications:
- CPU & ROM: ESP32, 32-bit LX6 dual-core processor, computing power up to 600 DMIPS 448 KByte; 520 KByte SRAM RTC 16 KByte SRAM
- IO Port: 10
- Package: DIP-16
- Storage: SPI Flash: Default 32Mbit; 520KB SRAM + 8M PSRAM
- Supported Interface: For URAT, SPI, I2C, and PWM
- Supported TF Card: Up to 64G TF card to read and write
- Serial Speed: Default 115200 bps
- Audio Input & Output: LINEIN stereo input channel; HPOUT stereo mixer-channel amplified headphone output; LOUT/ROUT 3W amplifier audio output
- Spectrum Range: 2412~2484MHz
- WiFi 802.11: b/g/n/d/e/i/k/r (802.11n, speed up to 150 Mbps) A-MPDU and A-MSDU aggregation, support 0.4μs guard interval 2.4~2.5GHz
- Bluetooth: V4.2 BR/EDR and BLE standards, NZIF receiver with -98 dBm sensitivity, Class-1, Class-2 and Class-3 transmitters, supporting AFH (Adaptive Frequency Hopping), support CVSD and SBC audio formats
- Power Supply: 5V 2A

Package Included:
- 1 x ESP32-Audio-Kit Audio Development Board

Note:
- Pictures are for reference only. Please refer to actual products. Please make sure that you do not mind before purchasing.
- Product data are provided by labs, and design technical parameters ar provided by suppliers. Actual data may vary slightly due to different software versions, specific test environments, and specific versions.