Door Bell Chime Project


Posted on Feb 4, 2014

Build Your Own Door Bell Chime using 555 timer integrated circuit, a speaker, 5 resistors, 4 electrolytic capacitors, 1 ceramic capacitor, 3 diodes, 1 pushbutton switch and 9 V battery as power supply..


Door Bell Chime Project
Click here to download the full size of the above Circuit.




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