Let’s see IC OP AMP IC 741 Pin Diagram and working with its applications operational amplifier IC 741 is one of the oldest and most popular IC with high performance. It’s been around since the 1960s and is still used in various applications today. The “741” refers to the model number assigned by the manufacturer, […]
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.
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 a pocket, it would prove to be an ideal companion in indoor and outdoor games like ludo, Snake & Ladder, etc. Since times immemorial the six-faced cube, ever since the […]
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 homes to ensure safety and security. This door phone circuit allows the house owner to converse and acquire the required information (e.g. who he is and what is the purpose […]
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. 555 is a timer ic which is used to generate time delay. On these properties, it can be used to make a power inverter. CD4047 Inverter circuit This Inverter does […]
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 you set it properly. Everyone needs a Battery Charger with a Battery. It charges the Lead Acid Battery up to 50Ah. You can set the battery cutoff threshold by setting […]