The post explains a simple 24 hour precision timer circuit using just a couple of CMOS ICs, which can be used for switching ON or OFF any mains operated load, […]
Electronic Toss Circuit
We have seen a coin is tossed before beginning a football match. This electronic version of it comes with a row of 7 LEDs – the middle one is green, […]
Heart Beat Pulse to Sound Converter Monitor Circuit
In this write-up we discuss a comprehensive circuit which allows the user to convert heart beat pulses into loud audible sound from a connected buzzer. Thus , the design could […]
How Decoupling in Logic Circuits Work
Considering adequate decoupled supply rails is extremely crucial in all logic circuits when constructing a digital circuit, failing which could be a costly and hazardous mistake. The two principal factors […]
Snubber Circuits for Protecting Relay Contacts from Arcing
In this post we elaborately discuss regarding the many kinds of snubber circuits using resistor/capacitor, diodes, varistors, and also learn which of these topologies is the most efficient when it […]
Universal Nickel-Cadmium Battery Charger Circuit
The application of nickel-cadmium batteries in portable devices like flashguns and calculators are gaining popularity. Equipment which comes with these rechargeable batteries is usually packaged with a standard charger. However, […]