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You are here: Home / Archives for 324 IC Circuits

Prevent Amplifier Fuse from Blowing During Power Switch ON

Last Updated on May 5, 2022 by Swagatam 2 Comments

Is your power amplifier fuse blowing during power switch ON? It could be happening due to the initial high current drawn by the loudspeakers, when power is switched ON. The […]

Filed Under: 324 IC Circuits, Amplifiers

Anti Spy RF Detector Circuit – Wireless Bug Detector

Last Updated on July 19, 2021 by Swagatam 39 Comments

A anti-spy or bug detector circuit is a device that detects hidden wireless electronic devices such as wireless microphones, spy cameras, Wi-Fi devices, GPS trackers or any gadget that emits […]



Filed Under: 324 IC Circuits, Mini Projects, Security and Alarm

2 Simple Bidirectional Motor Controller Circuits Explored

Last Updated on May 25, 2022 by Swagatam 17 Comments

A circuit which allows a connected motor to operate in clockwise and anticlockwise directions through alternate input triggers is called a bidirectional controller circuit. The first design below discusses a […]

Filed Under: 324 IC Circuits, Motor Controller, Simple Circuits

5 KVA to 10 KVA Automatic Voltage Stabilizer – 220 Volts, 120 Volts

Last Updated on July 13, 2021 by Swagatam 86 Comments

Voltage stabilizer in the range of kVAs are powerful AC voltage stabilizer units specially designed for controlling and stabilizing high voltage fluctuations, for high power electrical equipment. In this article […]

Filed Under: 324 IC Circuits, Home Electrical Circuits

LM324 Quick Datasheet and Application Circuits

Last Updated on January 1, 2020 by Swagatam 23 Comments

LM324 IC pinout diagram details

In this post we are going to take a look at the popular LM 324 IC. We will be looking at the pin configuration, its important features and its technical […]

Filed Under: 324 IC Circuits, Datasheets, Electronic Components

Multiple Battery Charger Circuit using Dump Capacitor

Last Updated on July 6, 2019 by Swagatam 61 Comments

In this article we will try to build an automatic battery charger circuit using dump capacitor concept for self detecting and charging a multiple set of batteries. The idea was […]

Filed Under: 324 IC Circuits, 555 IC Circuits, Battery Chargers

RPM Controller Circuit for Diesel Generators

Last Updated on July 6, 2019 by Swagatam 11 Comments

The post discusses a diesel generator RPM controller circuit for boats using PWM technique and also using a simple triac shunt circuit. The idea was requested by Mr. Dave. Circuit […]

Filed Under: 324 IC Circuits, 555 IC Circuits, Motor Controller

How to Interface 4×4 Keypad with Arduino

Last Updated on July 6, 2019 by Swagatam

In this post we are going to learn how to interface a 4×4 keypad with Arduino. We are going to see what is a keypad, how it is constructed and […]

Filed Under: 324 IC Circuits, Arduino Engineering Projects

How to Make a Simple Math Calculator using Arduino

Last Updated on February 23, 2020 by Swagatam

In this post, we are going to construct a calculator using Arduino, which can perform far complex arithmetical calculation than an ordinary calculator. The motto of this post is not […]

Filed Under: 324 IC Circuits, Arduino Engineering Projects, Simple Circuits

How to Build a Microphone Amplifier Circuit

Last Updated on May 5, 2022 by Swagatam 20 Comments

In this article we are going to see how to build a microphone amplifier circuit with operational amplifier LM324. This circuit can be used as good pre-amplifier for audio projects. […]

Filed Under: 324 IC Circuits, Amplifiers, Audio Projects



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