Overview Operational amplifiers, or op-amps, are fundamental components in electronics that find application in a wide range of circuits, from amplification to filtering, oscillation, and more. The LM324N is a popular quad op-amp that has … Read more
Subwoofers employ a low pass filter to play lower-frequency sounds. The subwoofer filter is a basic circuit that employs audio signals with low-pitched frequencies. The subwoofer frequency range is primarily defined as frequencies below 200Hz. … Read more
Introduction Do you know about guitars? right, and you might have also played it, or maybe you are the one who knows everything about that particular instrument. And, you are also the one who loves … Read more
A LUX meter detects and distinguishes between the different intensities of light. For this purpose, the circuit uses two LM324 ICs and a few discrete components. Also, the circuit represents the different light intensities through … Read more
Previously, Op-Amps were developed as analog mathematical calculations and have since been useful in many electrical design applications. However, op-amps are arithmetic voltage calculators. By using a differential amp, they can add two voltage values … Read more
Here is a simple project of an IR sensor using LM324 IC. The purpose of this circuit is to provide a visual indication by activating an LED whenever an object is placed in front of the IR … Read more
The LM324 IC comprises four independent, low power, high-gain, frequency-compensated operational amplifiers. LM324 series can directly operate off of the standard 5-V power supply voltage which is used in digital systems and easily provides the … Read more
The four-level temperature indicator is a circuit that represents different temperature levels through the lighting of four different LEDs. The project involves the IC LM324 as its main component. Hardware Required S.no Component Value Qty … Read more
RFID stands for Radio Frequency Identification; a term that refers to technologies that use radio frequencies to identify objects. RFID has been used in a number of practical applications in many industries, such as improving … Read more
In this tutorial, we are making a project on a Car Battery Monitor With Low Battery Cutoff Function. This circuit monitors the battery of any vehicle and shows a visual indication of the battery level … Read more
In this tutorial, we are making a project of a low-cost 8 LED battery monitor using LM324 IC. LM324 is an IC that contains four op-amps. Therefore we have used two ICs in this circuit … Read more
In this tutorial, we are making a good quality LM324 Battery monitor. You can make this circuit by using an LM3914 IC but that costs more than this IC, therefore we made an alternative circuit … Read more
In this tutorial, we are demonstrating an Easy Cell Phone Detector using LM324 IC. The circuit is very sensitive and can detect a mobile phone from 10 to 20 meters away. The detection range also … Read more