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 […]
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 should have a basic knowledge of how a transistor works. watch this video for a better understanding. Basic principles: Transistor is a device which is used for amplification or switching […]
CD4047 Inverter, 100 watt Power, Also why its not good?
In this project, we will make CD4047 Inverter, and also we will discuss why they are not a good solution. An inverter is a device that converts DC voltage to AC. They are very important for power backup in a remote location like villages where there is a frequent power cut off problem also in […]
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 Direct current using a gate or transistor that is changing its duty cycle (on-off time) you should see this article flashing of LED using 555 IC. This article is about […]
How does metal detector works? fully explained
Introduction: A metal detector is a device that can detect metal which may not be seen directly. The simplest kind of metal detector can be made using an oscillator, two inductor coils, and a detector or indicator. Here we will talk about how does metal detector works its construction applications and the importance of metal […]