in making incandescent lamps

Posted on Feb 6, 2014

This simple circuit that can be used to flash incandescent lamps up to 10W power rating. The circuit is ideal for making flashing beacons on automobiles and other applications like that. The circuit is nothing but an astable multi vibrator based on Q1&Q2 ( BC557&BD139). The capacitor C1 is the main timing element which determines the flashing rate o

in making incandescent lamps
Click here to download the full size of the above Circuit.

f the circuit. The switch S1 can be used as an ON/OFF switch. Fluorescent lamp or tube lamp (TL) has good efficiency. This high efficiency feature make it suitable for battery operated lighting application. To drive the tube lamp, we need high voltage to make the gas inside the tube get ionized.

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