ESP32-WROOM-32 is a Wi-Fi + BLE combination of system level chips (SoC), designed for various applications such as Internet of Things (IoT), mobile devices, wearable electronics, smart home, etc. ESP32-WROOM-32 with RF performance and low power, plus it comes equipped with 40MHz RISC processor, onboard RAM, UART, GPIO, I2C, PWM and more functions
General I/O: 22
Package: SMD-38
SPI Flash: 32Mbit by default
Support interface: SD card, UART/SPI/SDIO/I2C/PWM/I2S/IR/GPIO/capacitive touch sensor/ADC/DAC
Audio: CVSD and SBC Audio
Serial port rate: default 115200bps
Onboard clock: 40MHz crystal
Antenna form: onboard PCB antenna
Voltage: 2.7V-3.6V (recommended: 3.3V)
Working current: average 80mA
Supply current: minimum 500mA