This unexpected pleasure occurred in designing a light dimmer during the ‘boot-meet’ of Snubberless Triac from STMicroelectronics (Phillips called it ‘Hi-Com’ or as generic 3-quadrant Triac). It was the zero-cross detection circuit that wondered me at the unexpected pleasure. My ‘yes-nodding’ head started to spin intrinsically when the zero-cross detection circuit met its left-brain, the mighty Arduino.… Continue reading The Kernel of vector quantities