Contactless Voltage Tester
Posted in Schematic

Contactless Voltage Tester

Contactless Voltage Tester

Infrared light barriers
Posted in Schematic

INFRA-RED LIGHT BARRIER

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

Posted in Schematic

FLASHING LIGHT WITH TWILIGHT SWITCH

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