Digital Dice Roller using 555 timer & IC 4022
This low cost and non-partial Digital dice roller ensure a fair play and equal chance to all participants. Small enough to be carried around in… Read More »Digital Dice Roller using 555 timer & IC 4022
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
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
How to Make Water Level Indicator using BC547 Transistor
Learn how to make a very simple water level indicator using transistor bc547 at home in a few simple steps as follow… before starting you… Read More »How to Make Water Level Indicator using BC547 Transistor