ESP32-DevKitC WROOM-32D/32U

The ESP32-DevKitC with WROOM-32D / WROOM-32U is a powerful development board based on Espressif’s ESP32 system-on-chip. It integrates Wi-Fi and Bluetooth connectivity with a dual-core microcontroller, making it ideal for IoT, embedded, and wireless applications. The board is designed for easy prototyping, featuring a USB interface for programming and debugging, along with access to most ESP32 GPIO pins.

Technical Specifications:

• Microcontroller: ESP32 (dual-core Tensilica Xtensa LX6)
• Clock Frequency: Up to 240 MHz

• Wireless Connectivity:

  • Wi-Fi: 802.11 b/g/n (2.4 GHz)

  • Bluetooth: v4.2 BR/EDR and BLE

• Module Variants:

  • WROOM-32D: Onboard PCB antenna

  • WROOM-32U: External antenna connector (U.FL/IPEX)

• Flash Memory: Typically 4 MB
• Operating Voltage: 3.3 V
• Input Voltage: 5 V via USB or VIN pin
• GPIO Pins: Up to 34 (multiplexed with peripherals)
• Interfaces: UART, SPI, I2C, I2S, PWM, ADC, DAC
• USB Interface: Micro-USB or USB Type-C (board dependent)
• Onboard Buttons: EN (Reset), BOOT
• Operating Temperature: –40 °C to +85 °C (module dependent)

Features:

• Integrated Wi-Fi and Bluetooth for wireless applications
• High-performance dual-core processor suitable for multitasking
• Rich peripheral set for sensors, displays, and actuators
• Supports deep sleep and low-power modes
• Compatible with Arduino IDE, ESP-IDF, and MicroPython
• Breadboard-friendly pin layout for rapid prototyping
• Option for onboard or external antenna depending on module type

Applications:

• Internet of Things (IoT) devices
• Smart home and automation systems
• Wireless sensor networks
• Industrial monitoring and control
• Wearable and portable electronics
• Robotics and automation projects
• Educational and prototyping platforms