Microcontroller Pinout Reference
Microcontroller pinout reference for Arduino, ESP32, Raspberry Pi
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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
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