LIGHT ACTIVATED SWITCH (Light ON)
Categories : Series 4 AC Controller By Light,Sound,Remote , Light & Sound Control ,
The FK401 is an excellent project for class demonstration of the operation of a photo transistor. Working on the principle of ambient light falling on the light sensitive junction of a photo transistor operating a relay through an amplifier, the FK401 embodies three basic elements of electronics in an economical, easy-to-build circuit and the outcome is practical and tangible.
Technical Specification
