ESP32 Wemos D1 Mini UNO R3 D1 R32 WIFI+Bluetooth Development Board CH340C 4M Flash For Arduino

Upgrade your embedded and IoT projects with the powerful Wemos D1 R32 (ESPDuino-32) — an ESP32-based development board designed in the familiar Arduino Uno R3 form factor. Combining the processing power of the ESP32 with built-in Wi-Fi and Bluetooth connectivity, this board is perfect for makers, students, engineers, and IoT developers who want Arduino shield compatibility with modern wireless performance.

Powered by the ESP32-WROOM-32 dual-core processor, the Wemos D1 R32 delivers fast performance, low power consumption, and seamless wireless communication for smart home, automation, robotics, AI edge computing, and industrial monitoring applications. The board maintains the Arduino Uno layout, allowing compatibility with many existing Arduino shields and accessories.

Key Features

• ESP32-WROOM-32 Dual-Core Processor
• Clock Speed up to 240 MHz
• Built-in Wi-Fi 802.11 b/g/n
• Bluetooth 4.2 & BLE Support
• Arduino Uno R3 Compatible Form Factor
• 4MB Flash Memory
• Micro USB Interface for Programming & Power
• Multiple GPIO, PWM, ADC, DAC, UART, SPI, and I²C Interfaces
• Compatible with Arduino IDE, ESP-IDF, PlatformIO, and MicroPython
• Ideal for IoT, Home Automation, Smart Devices, Robotics, and Wireless Projects

Technical Specifications

Applications

• IoT and Smart Home Projects
• Wireless Sensor Networks
• Home Assistant Integration
• Robotics and Automation
• Industrial Monitoring Systems
• ESP32 Learning and Prototyping
• AI Edge Device Development
• MQTT and Cloud Connectivity
• Arduino Shield-Based Projects

Compatibility

The Wemos D1 R32 uses the Arduino Uno footprint, allowing it to work with many Uno-compatible shields and modules while offering the advanced features of the ESP32 platform. It supports development using:

• Arduino IDE
• ESP-IDF
• PlatformIO
• MicroPython
• ESPHome

Important Notes

• GPIO pins operate at 3.3V logic level
• Some 5V Arduino shields may require level shifting
• Board selection in Arduino IDE is commonly “D1 Uno32” or ESP32 Dev Module depending on the ESP32 package version

Package Includes

• 1 × Wemos D1 R32 (ESPDuino-32) Development Board