3 ms·
For a PID loop, you'd need to be able to measure the position and velocity of the black dots. Velocity seems very hard. You could conceivably measure the positi
by tlb 8y ago
For a PID loop, you'd need to be able to measure the position and velocity of the black dots. Velocity seems very hard. You could conceivably measure the position with a camera looking at the image, but will people want an ebook reader with a camera sticking out in front?
- etaioinshrdlu 8y agoGood point. Maybe not a PID loop at all, but rather an well tuned open-loop controller that compensates for the natural time response of the e-ink pixel.