Simple Door Phone Circuit
A Door phone circuit provides a two-way conversation and allows you to identify a caller before opening a door. It is a requirement of modern… Read More »Simple Door Phone Circuit
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Electronics tutorial
Here are the basic electronics tutorial circuits for beginners. You can find here tutorials on operational amplifiers (opamp), transistor, MOSFETs, 555 timer IC, audio amplifiers and many more.
12V to 230V Inverter Circuit Diagram using 555 timer IC
The circuit in this article shows you a simple way to build a 12v to 230v inverter circuit diagram of 100watt power using 555 IC.… Read More »12V to 230V Inverter Circuit Diagram using 555 timer IC
What is operational amplifier? basics concepts
An operational amplifier is a DC-coupled high-gain electronic voltage amplifier amplifier that has high gain, differential input, high input resistance, and low output resistance.
Automatic Battery Charger circuit using LM358 OP-AMP
This Automatic battery charger circuit cuts-off power supply when the battery gets fully charged. This circuit can charge any battery like Li-Po, Lead Acid, or Ni-Cd if… Read More »Automatic Battery Charger circuit using LM358 OP-AMP
Water Level Indicator Circuit using Transistor and ULN2003 IC
Want to build a simple and effective water level indicator circuit at home? In this guide, we’ll show you how to make a water level… Read More »Water Level Indicator Circuit using Transistor and ULN2003 IC
PWM controller for DC Motor using 555 timer IC
Pulse Width Modulation PWM controller. PWM is a technique in which the amount of current going in a circuit can be controlled by chopping the… Read More »PWM controller for DC Motor using 555 timer IC