Can anybody please recommend a variable voltage regulator that I can purchase to test out variable voltages when building an electromagnet?
G'day all.I've been trying to think of a silent linear actuator, that is: - Quick or slow to move. - Offers precise movement. - Silent. - Run off electricity (ie: not on hydrolics).I have found this video which looks like the closest to the above requirements:https://www.youtube.com/watch?v=58o1LxwRmrM