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 […]
0 – 30 V Regulated Power Supply Circuit
This 0 – 30 V regulated work bench power supply provides outstanding line and load regulation and a continuously variable output from 0 to 30 V with output currents as […]





