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Most of the pins on the ESP module are broken out to the pin headers on the board.

For details see the schematics in Related Documents. Turns on when the USB or an external 5V power supply is connected to the board. Power supply for the board as well as the communication interface between a computer and the ESP32-WROOM-32 module. Single USB-UART bridge chip provides transfer rates of up to 3 Mbps. Holding down Boot and then pressing EN initiates Firmware Download mode for downloading firmware through the serial port. For more information, see ESP32-WROOM-32 Datasheet.ĭownload button.

The following figure and the table below describe the key components, interfaces and controls of the ESP32-DevKitC V4 board.ĮSP32-DevKitC V4 with ESP32-WROOM-32 module soldered Ī module with ESP32 at its core.

For details please refer to ESP Product Selector.