Development board based on ESP32 takes the original format of the Arduino Uno rev.3. Programming can be done directly from the Arduino or PlatformIO IDE using the micro-USB port. The board can be powered for the micro-USB port or by an external 5-12V DC power supply.
ESP-WROOM-32 Module Specifications
ESP32 Module: ESP-WROOM-32 from Espressif.
240MHz dual core microprocessor equipped with
4MB SPI flash memory. Support up to 16MB of flash memory