A output voltage can be monitored with LED or multimeter when impeller is driven by a blower or high speed wind.An electric motor with a small plastic fan(impeller) fitted on a sheet metal..

A windmill is a structure that converts wind power into rotational energy by means of vanes called sails or blades, specifically to mill grain (gristmills), but the term is also extended to windpumps, wind turbines and other applications.A rubber belt drives motor on rotating the pulley fitted with shaft. The No. of wanes in instrument can ..

The Zener Diode is used in its “reverse bias” or reverse breakdown mode, i.e. the diodes anode connects to the negative supply. a zener diode is mounted on plastic small box...