ESP32-WROOM-32E Development Board Dual-Core Wi-Fi Bluetooth BLE Microcontroller Module for Arduino

Description

• Core Microcontroller: Espressif ESP32-D0WD-V3 (Dual-Core 32-bit Xtensa LX6 CPU, up to 240MHz)

• Wireless Transceiver Module: Official ESP32-WROOM-32E (Upgraded core module featuring integrated ECO V3 silicon)

• Flash Memory: 4MB (32Mbit) High-Speed SPI Flash

• SRAM / ROM: 520KB On-Chip SRAM + 448KB ROM

• Wireless Standards:

  • Wi-Fi: 802.11 b/g/n (2.4 GHz, up to 150 Mbps)

  • Bluetooth: Bluetooth v4.2 BR/EDR and BLE (Bluetooth Low Energy)

• Antenna Design: Onboard High-Efficiency PCB Trace Antenna

• USB-to-UART Bridge IC: Silicon Labs CP2102 or CH340 with automatic download and reset circuit (no manual button pressing required during flashing)

• Power Supply Interfaces: Micro USB / USB Type-C Port (5V Input) or External Vin Pin (5V – 9V DC Input)

• Onboard Power Regulation: High-current 3.3V Low-Dropout (LDO) linear regulator delivering up to 600mA+

• Pin Configuration: 38-Pin or 30-Pin Dual-Row Breadboard-Friendly Layout (Standard 2.54mm Pitch)

• Peripheral Interfaces: Capacitive Touch Sensors, 12-bit SAR ADC, 8-bit DAC, 3x UART, 3x SPI, 2x I2C, 16x PWM Channels, SDIO, CAN Bus 2.0

• Status Indicators: Power LED (PWR / Red) + User / Status LED (Typically GPIO2 / Blue)

• Control Buttons: Hardware EN (Reset) Button + BOOT (GPIO0 Download Mode) Button

• Software Development Support: Fully compatible with Arduino IDE, ESP-IDF (Espressif IoT Development Framework), PlatformIO, and MicroPython

• Application Suitability: Smart home IoT automation, wireless sensor nodes, industrial edge telemetry, BLE beacon tracking, web servers, and robotics control.