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ESP32 Dev Kit V4

  • Device
  • 451 installs
  • v1.0.0
  • Jun 15, 2026
  • MIT license
  • v4.2+
ESP32 Dev Kit V4

ESP32 Dev Kit V4 is a versatile development board built around Espressif’s ESP-WROOM-32 module, featuring a dual-core Xtensa LX6 processor running at up to 240 MHz with 520 KB of SRAM. It integrates 802.11 b/g/n Wi-Fi, Classic Bluetooth, and Bluetooth Low Energy (BLE), making it suitable for a wide range of connected IoT applications. The board exposes 38 GPIO pins including SPI, I²C, UART, ADC, DAC, and PWM interfaces, enabling seamless integration with sensors, actuators, and peripherals.

Hardware Type
  • Development Board
Connectivity
  • Wi-Fi
  • Bluetooth
  • MQTT

The ESP32 Dev Kit V4 is a feature-rich development board built around the ESP-WROOM-32 module by Espressif Systems, providing a dual-core Xtensa LX6 CPU with integrated Wi-Fi and Bluetooth for IoT prototyping and production deployments.

Features

  • Dual-core Xtensa 32-bit LX6 at up to 240 MHz (ESP32)
  • 520 KB SRAM, 4 MB Flash
  • Wi-Fi 802.11 b/g/n + Bluetooth 4.2 / BLE
  • 38 GPIO pins, 18 ADC channels, 2 DAC channels
  • USB-powered via micro-USB (CP2102 USB-to-UART bridge)
  • On-board EN and BOOT buttons

Specifications

ParameterValue
SoCESP32 (Dual Xtensa LX6)
Clock Speed80–240 MHz
Flash4 MB
SRAM520 KB
Operating Voltage3.3V
Input Voltage5V (micro-USB)
Wi-Fi802.11 b/g/n (2.4 GHz)
BluetoothClassic + BLE 4.2

Device Technical Documentation

Download datasheets and manuals for the ESP32 Dev Kit V4

ESP32 Dev Kit V4 Product page ESP32 Dev Kit V4 Datasheet

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