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Esp32-Devkitc Development Board Esp-Wroom-32D Esp-Wroom-32U Wifi+Bluetooth Iot Nodemcu-32 Esp32 Wifi Wireless Module

Esp32-Devkitc Development Board Esp-Wroom-32D Esp-Wroom-32U Wifi+Bluetooth Iot Nodemcu-32 Esp32 Wifi Wireless Module

$20.95
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ESP32-DevKitC core board ESP32 development board ESP32-WROOM-32D ESP32-WROOM-32U


ESP32-DevKitC V4 Getting Started Guide


This guide shows how to start using the ESP32-DevKitC V4 development board. For description of other versions of ESP32-DevKitC check ESP32 Hardware Reference.


 


What You Need


ESP32-DevKitC V4 board


USB A / micro USB B cable


Computer running Windows, Linux, or macOS


You can skip the introduction sections and go directly to Section Start Application Development.


 


Overview


ESP32-DevKitC V4 is a small-sized ESP32-based development board produced by Espres-sif. Most of the I/O pins are broken out to the pin headers on both sides for easy interfacing. Developers can either connect peripherals with jumper wires or mount ESP32-DevKitC V4 on a breadboard.


 


To cover a wide range of user requirements, the following versions of ESP32-DevKitC V4 are available:


different ESP32 modules


ESP32-WROOM-32


ESP32-WROOM-32D


ESP32-WROOM-32U


ESP32-SOLO-1


ESP32-WROVER


ESP32-WROVER-B


ESP32-WROVER-I


ESP32-WROVER-B (IPEX)


male or female pin headers.


For details please refer to Espre-ssif Product Ordering Information.


Functional Description


The following figure and the table below describe the key components, interfaces and controls of the ESP32-DevKitC V4 board.


Overview

ESP32-DevKitC V4 is a small-sized ESP32-based development board produced by Espressif. Most of the I/O pins are broken out to the pin headers on both sides for easy interfacing. Developers can either connect peripherals with jumper wires or mount ESP32-DevKitC V4 on a breadboard.


To cover a wide range of user requirements, the following versions of ESP32-DevKitC V4 are available:



Functional Description


The following figure and the table below describe the key components, interfaces and controls of the ESP32-DevKitC V4 board.




ESP32-DevKitC V4 with ESP32-WROOM-32 module soldered







































Key ComponentDescription
ESP32-WROOM-32A module with ESP32 at its core.
ENReset button.
BootDownload button. Holding down Boot and then pressing EN initiates Firmware Download mode for downloading firmware through the serial port.
USB-to-UART BridgeSingle USB-UART bridge chip provides transfer rates of up to 3 Mbps.
Micro USB PortUSB interface. Power supply for the board as well as the communication interface between a computer and the ESP32 module.
5V Power On LEDTurns on when the USB or an external 5V power supply is connected to the board. For details see the schematics in Related Documents.
I/OMost of the pins on the ESP module are broken out to the pin headers on the board. You can program ESP32 to enable multiple functions such as PWM, ADC, DAC, I2C, I2S, SPI, etc.





Note


The pins D0, D1, D2, D3, CMD and CLK are used internally for communication between ESP32 and SPI flash memory. They are grouped on both sides near the USB connector. Avoid using these pins, as it may disrupt access to the SPI flash memory / SPI RAM.




Note


The pins GPIO16 and GPIO17 are available for use only on the boards with the modules ESP32-WROOM and ESP32-SOLO-1. The boards with ESP32-WROVER modules have the pins reserved for internal use.






Power Supply Options

There are three mutually exclusive ways to provide power to the board:



  • Micro USB port, default power supply

  • 5V / GND header pins

  • 3V3 / GND header pins



Warning


The power supply must be provided using one and only one of the options above, otherwise the board and/or the power supply source can be damaged.





Note on C15

The component C15 may cause the following issues on earlier ESP32-DevKitC V4 boards:



  • The board may boot into Download mode

  • If you output clock on GPIO0, C15 may impact the signal


In case these issues occur, please remove the component. The figure below shows C15 highlighted in yellow.



Location of C15 (yellow) on ESP32-DevKitC V4 board




Start Application Development


Before powering up your ESP32-DevKitC V4, please make sure that the board is in good condition with no obvious signs of damage.


After that, proceed to ESP32 Hardware Reference, where Section Installation Step by Stepwill quickly help you set up the development environment and then flash an example project onto your board




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Esp32-Devkitc Development Board Esp-Wroom-32D Esp-Wroom-32U Wifi+Bluetooth Iot Nodemcu-32 Esp32 Wifi Wireless Module

$20.95
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