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1. keypad-4x4 keypad-4x4 Public

   Lightweight, platform-independent 4x4 matrix keypad driver for embedded systems. Features software debounce, press/release/long-press/multi-press detection, and ghosting protection. Zero dynamic al…

   C

2. rotary-encoder rotary-encoder Public

   Lightweight rotary encoder driver in C with FULL/HALF-STEP quadrature decoding, angular position, RPM calculation, and polled button FSM. No dynamic allocation, no HAL dependency.

   C

3. ssd1306 ssd1306 Public

   Platform-independent, non-blocking SSD1306 OLED driver in C. Optimized with partial-framebuffer updates and asynchronous DMA transfers to minimize I2C overhead and an HAL for easy portability.

   C

4. task-scheduler task-scheduler Public

   Efficient Timer-Based Task Scheduler Library

   C