Wiring And Schematic

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Ringing Phone Light Flasher

This ambit can be acclimated to afterglow a ball or about-face a anxiety back the buzz rings.Using this ambit nuissence of blast arena at night can be avoided.

When the blast rings the band voltage rises to 72 volts.At this time the LED in the opto-coupler glows and the transistor conducts. Due to this the transistor Q1 conducts.This makes the broadcast ON.The amount affiliated to the broadcast whether ball or alarm turns ON.

Notes.

• Assemble the circuit diagram on a good quality PCB or common board.
• Use a 5V DC power supply for powering the circuit.
• The load can be connected through NC1,NC2 & C points of the relay.