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Home > Video > Video Display > DIY Door Bell by using 555 Timer

DIY Door Bell by using 555 Timer

This video shows  how to make the bread circuit  for 555 timer based Door Bell.Full Project :  schematic was reverse engineered by Julian Ilett from a kit.I was inspired by his video and made this project on a breadboard.Then I make a PCB for the same circuit.
You can download the PCB from the following link// and Tools Required:
Parts :1. 555 Timer ( NE555N ) :  Capacitor ( 1 x 10uF and 1 x 100uF ) :  3. Ceramic Capacitor ( 3 x 10nF ) :   Diode ( 2 x IN4148 ) :  Resistor ( 4 x 47K ) :  Speaker ( 8 Ohm ) :  9V Battery :  Push Button :  Battery Clip :  :1. Soldering Iron :  Nipper :  Desoldering Pump : 
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