Beverly is a lightweight Arduino library for handling push buttons with debounce, long press detection and clean state transitions.

It is designed primarily for AVR microcontrollers, but works on any Arduino-compatible architecture that provides pinMode(), digitalRead() and millis().

• Software debounce
• Press and release detection
• Long press detection (BAction::Held)
• Simple state-based API
• Minimal memory footprint
• Uses bitmask-based internal state (via Facebits)

• Facebits

• Download the library as a ZIP
• Open Arduino IDE
• Sketch → Include Library → Add .ZIP Library

Search for Beverly and install it directly.

See examples/button.ino

start() must be called in setup before using watch()

BAction::Held is reported continuously while the button remains pressed

Timing is handled using millis() with 16-bit overflow-safe logic