Kirchhoffs Circuit Laws allow us to solve complex circuit problems by defining a set of basic network laws and theorems…

Contactless Voltage Tester

INFRA-RED LIGHT BARRIER Infrared light barriers enjoy great popularity as timing devices at sports venues, as detectors in alarm installations,…

FOUR POSITION TOUCH DIMMER Any electric light may be adjusted with this dimmer to very low, low, medium, and maximum,…

FLASHING LIGHT WITH TWILIGHT SWITCH The special feature of this flashing light is the op- tical switch, which automatically switches…