The Arduino Pro Micro packs a surprisingly capable microcontroller into an ultra-small 33×18mm footprint — making it the ideal choice for smaller cockpit panels and subpanels where space is at a premium.
With MobiFlight firmware installed, it works just like any other MobiFlight board: connect your buttons, switches, encoders and LEDs, and let MobiFlight handle the sim integration for MSFS, X-Plane, and more. The small size makes it a great fit for modular builds — tuck one behind a radio panel, a small overhead subpanel, or a button box without adding bulk.
💡 Tip: The ATmega32U4 chip also supports native USB HID — meaning with alternative open-source firmware (not MobiFlight), this board can register as a joystick or gamepad without any drivers. Great for experienced builders who want flexibility.
🧠 Microcontroller: ATmega32U4
⚡ Operating Voltage: 5V
🔌 Input Voltage (recommended): 5–12V
📌 Digital I/O Pins: 12 (5 with PWM output)
🎛️ Analog Input Pins: 9
💾 Flash Memory: 32 KB (4 KB for bootloader)
🧱 SRAM: 2.5 KB
⏱️ Clock Speed: 16 MHz
🔄 USB-C Connector: Modern, robust connection
📦 Ultra-compact: ~33×18mm — fits anywhere
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