| ISRHandler | A flexible, reusable interrupt handler class for Arduino, allowing template-based interrupt management. |
| Multitasker | Lightweight cooperative multitasking for Arduino AVR using independent task stacks. |
| RotEncoder | Robust, fast, low-power rotary encoder library for mechanical quadrature encoders (gray-code). |
| SafeLED | Safe LED library with polarity detection and runtime verification. |
| StableLCD | Robust HD44780 LCD library with verification, recovery, synchronization and optional power control (LiquidCrystal compatible). GPIO and PCF8574 I2C support. |