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 ...
IXYS Integrated Circuits Division (ICD), Inc., a wholly owned subsidiary of IXYS Corporation, announced the availability of the CPC1964B, an AC Solid State Switch utilizing dual power SCR outputs.