This power supply circuit has a three-pin voltage regulator IC along with a buffer transistor. This high current 78XX regulator is developed because in its natural form these regulators cannot […]
Digital Sinewave Oscillator Circuit
The digital sinewave oscillator is a device used for generating sinusoidal sinewave signals using digital logical signals. The oscillator circuit has two sections, which also have their own useful applications. […]
Convert Whistle Sound to Electronic Music
The post below explains how to convert a whistling sound into an enhanced musical output through an electronic circuit. Music soothes our soul and make us feel good. We like […]
Zener Diode Tester Circuit
Zener tester is a device used for measuring zener voltages and also for plotting variation of zener voltage with zener current. Zener testers find its use in the lab equipment […]
Touch Operated Flip Flop Relay Switch
The post explains a simple yet very useful touch operated flip flop circuit. It operates by touching a sensor pad which results in an alternate high/low logic outputs in response […]
Logic Tester for TTL, CMOS and All Logic Families
The circuit described here works as a logic tester for TTL circuits, CMOS circuits as well as other logic families with similar behavior. The circuit is capable of indicating an […]