Components
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Capacitor 10mfd /25v |
x 1 | |
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100mfd/25v |
x 1 | |
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47K resistor |
x 4 | |
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Diode IN 4148 |
x 2 | |
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Ceramic capacitor 0.01uf |
x 2 | |
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Ceramic capacitor 0.001uf |
x 1 | |
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Micro switch |
x 1 | |
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Terminal block |
x 2 | |
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IC 555 |
x 1 | |
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8 pin Ic base |
x 1 | |
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4 X AA batteries & battery holder |
x 1 |
Description
Electronic ding dong doorbell
For making this project I have used very popular timer IC 555.
When you press the button then the IC generate a tone & after release the button The IC generate a different tone so its sound like ding dong bell.
all components values are printed on PCB.
Supply voltage of this circuit is 3 volt to 6 volt. don't use more than 6 volt DC.
More details - https://technoreview85.com/electronic-dingdong-doorbell/
Schematic and Layout
https://technoreview85.com/electronic-dingdong-doorbell/
Apr 14,2020
5,380 views
Electronic ding dong doorbell
It is a simple electronic dual-tone doorbell using IC 555
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Published: Apr 14,2020
Download Gerber file 62
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