SCR speed controllers that supply 180Vdc motors from 240Vac mains are wonderfully robust, but have the drawback that they always present fast-rising voltage edges to the motor’s armature at a 100Hz ...

Permanent magnet dc motors need a chunky inductor in series with them if they are fed from an SCR (thyristor) based mains power controller. It is (probably!) possible to safely interface an Arduino to ...

Ruf has revealed the latest of its retro-styled, but all-new models at the Geneva motor show. Following the CTR Yellow bird that was shown last year, aside from the colour change, Ruf’s newest model ...