Here we are making an electronic doorbell circuit that makes a dual-tone sound. So this thing is designed using the well-known IC 555. That IC 555 is something we see […]
Office Bell with IN/OUT Indicator Circuit
This office bell with IN/OUT indicator circuit utilizes three 7-segment, common anode displays rather than a couple of LEDs for the in/out indicator as is done commonly. As soon as […]
Programmable electronic Door Bell Circuit
This programmable electronic musical door bell circuit is really simple since the integrated circuit really does all the things! It should be stated that we now have created some substantial […]
Simple 220V Ding Dong Bell Circuit
The post explains how to make a simple 220V mains operated ding dong bell circuit which will generate a powerful ding dong sound each time someone presses the bell push […]
Sound Operated Music Bell
In this post we learn how to make a simple sound operated music bell circuit which can be installed in homes for enabling the visitors to ring the door bell […]
How to Make a Office Call Bell Network Circuit with LED Monitor
The submit describes a call bell network system for office complexes which might be employed for contacting and tracking office member’s attendance and reply from the specific meant office chamber. […]