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The block diagram below shows the main components of ESP-WROVER-KIT and their interconnections.ĮSP-WROVER-KIT block diagram  Functional Description  By default, the two GPIOs are not broken out to the board’s pin headers in order to ensure reliable performance. Most of the ESP32 I/O pins are broken out to the board’s pin headers for easy access.ĮSP32’s GPIO16 and GPIO17 are used as chip select and clock signals for PSRAM. ESP-WROVER-KIT makes development convenient, easy, and cost-effective. This chip enables to use JTAG for direct debugging of ESP32 through the USB interface without a separate JTAG debugger. Overview ĮSP-WROVER-KIT is an ESP32-based development board produced by Espressif.ĮSP-WROVER-KIT features the following integrated components:Īnother distinguishing feature is the embedded FTDI FT2232HL chip, an advanced multi-interface USB bridge. You can skip the introduction sections and go directly to Section Start Application Development.

What You Need Ĭomputer running Windows, Linux, or macOS This guide shows how to get started with the ESP-WROVER-KIT V4.1 development board and also provides information about its functionality and configuration options. GND is the ground pin.ESP-WROVER-KIT V4.1 Getting Started Guide  The 3V3 pin is the output from the on-board voltage regulator you can get up to 600mA from it. The VIN pin can be used to directly power the ESP32 and its peripherals, if you have a regulated 5V power supply. There are two power pins: the VIN pin and the 3V3 pin. The strapping pins function normally after reset release, but they should still be used with caution. However, if peripherals are connected to these pins, you may encounter issues when attempting to upload new code or flash the ESP32 with new firmware, as these peripherals prevent the ESP32 from entering the correct mode. On most development boards with built-in USB/Serial, you don’t need to worry about the state of these pins, as the board puts them in the correct state for flashing or boot mode. Depending on the state of these pins, the ESP32 will enter BOOT mode or FLASH mode at power on. These pins are used to put the ESP32 into BOOT mode (to run the program stored in the flash memory) or FLASH mode (to upload the program to the flash memory).