Posts

Making a microphone pre amplifier using Opamp

Poor student's sound card Oscilloscope

Breathing LED using 555

Simulation Of Amplitude Modulation Using 555 and Ultra High Frequency transistor

World's simplest Oscillator / Esaki Oscillator

Simple BOOST conveerter

Light Dimming / DC motor speed control using 555

Frequency Counter Using Arduino

Basic Oscilloscope Using Arduino

What is Inside a 78xx series linear regulator IC / How a linear works?

Before buying a Chinese drill machine /Tear down a Chinese drilling Machine.