Microcontroller Pinout Reference

About

MCU Hub is your comprehensive microcontroller pinout reference tool, designed for makers, embedded developers, and electronics enthusiasts.

**🔌 Supported Boards:**
• Arduino Uno R3
• Arduino Nano 33 BLE
• ESP32 DevKit (38-pin & 30-pin)
• ESP32-C3 Mini & SuperMini
• M5Stack Core2
• Raspberry Pi 5

**✨ Key Features:**
• Interactive pinout diagrams with color-coded pins
• Click any pin to see detailed information
• Search pins by name or number
• Filter by function (GPIO, ADC, I2C, SPI, UART, PWM, Touch)
• Direct links to official datasheets
• High-contrast dark theme for easy viewing
• Works completely offline
• No data collection or tracking

**🎯 Perfect For:**
• Embedded systems development
• IoT projects
• Arduino programming
• ESP32/ESP8266 projects
• Hardware prototyping
• Learning microcontroller pin layouts

**📚 Includes Datasheets For:**
• ATmega328P, ATmega2560, ATmega32U4
• nRF52840 (Nano 33 BLE)
• ESP32, ESP32-S3, ESP32-C3
• ESP8266
• BCM2712, BCM2711 (Raspberry Pi)
• RP2040 (Raspberry Pi Pico)

**🚀 How to Use:**
1. Click the MCU Hub icon in your toolbar
2. Select a microcontroller board
3. View interactive pinout diagram
4. Click pins for detailed specifications
5. Use search and filters to find specific pins

**💡 Benefits:**
✓ Save time - no more searching through PDFs
✓ All information in one place
✓ Clean, intuitive interface
✓ Instant access - works offline
✓ Free and open source

Perfect companion for your electronics projects!