Joule Thief Circuit: A Low-Power Voltage Booster Circuit

https://circuitdigest.com

Build a Joule Thief circuit to power LEDs from dead batteries. Complete circuit diagram with toroid, working principle, components list & step-by-step assembly guide.

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Created by Jayant 6 hours 17 sec ago – Made popular 6 hours 17 sec ago
Category: Electronic Circuits   Tags:

LED Chaser Circuit using 555 Timer IC: Step by Step Guide 2025

https://circuitdigest.com

Build an LED chaser circuit using a 555 timer IC and a CD4017. Complete guide with circuit diagram, pinout, assembly steps, and troubleshooting. Adjustable speed control included.

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Created by Jayant 5 weeks 3 hours ago – Made popular 5 weeks 3 hours ago
Category: Electronic Circuits   Tags:

Build a Compact and Portable DIY Bluetooth Speaker Amplifier

https://circuitdigest.com

DIY Bluetooth Speaker using the JDY-62 module and PAM8403 amplifier for clear, wireless audio. This simple project covers components, pinouts, wiring, and circuit setup, making it perfect for beginners learning basic electronics while creating their own portable speaker.

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Created by Jayant 9 weeks 4 days ago – Made popular 9 weeks 4 days ago
Category: Electronic Circuits   Tags:

Clocked JK Flip Flop: Working, Truth Table, and Circuit Design Guide

https://circuitdigest.com

Learn how clocked JK flip-flops work with truth tables, timing diagrams, and circuit designs. Understand toggle, set, and reset operations for digital logic applications.

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Created by Jayant 15 weeks 1 day ago – Made popular 15 weeks 1 day ago
Category: Electronic Circuits   Tags:

Understanding SR Latches: Set-Reset Latch, Gated & Clocked Versions

https://circuitdigest.com

Learn the basics of the SR latch, Set-Reset memory circuit, in digital electronics. This tutorial covers truth table, NOR/NAND implementations, gated and clocked variants, and working principles.

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Created by Jayant 23 weeks 3 days ago – Made popular 23 weeks 3 days ago
Category: Electronic Circuits   Tags:

Clocked SR Flip Flop: Complete Guide with Circuit and Truth Table

https://circuitdigest.com

Learn how to build a clocked SR flip-flop using NAND gates. Understand its working principle, truth table, and circuit diagram for designing stable digital memory and control logic circuits.

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Created by Jayant 25 weeks 2 days ago – Made popular 25 weeks 2 days ago
Category: Electronic Circuits   Tags:

Different Types of Transformers: Step-Up, Step-Down & More

https://circuitdigest.com

Learn about different types of transformers, including step-up, step-down, isolation, and autotransformers. Explore their working principles and practical applications in power systems, electronics, and industrial use.

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Created by Jayant 29 weeks 1 day ago – Made popular 29 weeks 1 day ago
Category: Electronic Circuits   Tags:

Simple Water Level Indicator Alarm with Buzzer

https://circuitdigest.com

Build a simple water level indicator and alarm circuit using basic electronic components. This DIY project helps monitor tank levels and alerts you when the water reaches a specific height.

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Created by Jayant 32 weeks 23 hours ago – Made popular 32 weeks 23 hours ago
Category: Electronic Circuits   Tags:

A Beginner’s Guide to Cycloconverters

https://circuitdigest.com

Learn about cycloconverters, their working principle, circuit design, types, and real-world applications. This comprehensive guide covers everything from block diagrams to practical uses in motor control and power systems.

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Created by Jayant 32 weeks 4 days ago – Made popular 32 weeks 4 days ago
Category: Electronic Circuits   Tags:

RS232 Serial Communication Protocol: Basics, Working & Specifications

https://circuitdigest.com

Learn the basics of RS232 serial communication, including how it works, key specs, and pin details. Perfect for beginners exploring serial data exchange.

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Created by Jayant 35 weeks 1 day ago – Made popular 35 weeks 1 day ago
Category: Electronic Circuits   Tags:

Solar Powered Mobile Phone Charger Project

https://quartzcomponents.com

Build a Solar-Powered Mobile Phone Charger Circuit to harness the power of the sun for charging your devices. This project is eco-friendly, easy to make, and perfect for outdoor or emergency use!

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Created by Jayant 1 year 3 weeks ago – Made popular 1 year 3 weeks ago
Category: Electronic Circuits   Tags:

Power Bank Module

https://quartzcomponents.com

4-level LED lamp display power, not working state intelligent automatic shutdown;
The built-in lithium battery protection IC, over-current, overpressure, under-voltage protection;
Dual USB output ports.

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Created by Jayant 3 years 31 weeks ago – Made popular 3 years 31 weeks ago
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MB10F Bridge Rectifier

https://components101.com

The MB10F is a surface mount glass passivated bridge rectifier from diodes incorporated with a low voltage drop of 1.1V and a forward continuous current of 800mA. It has high efficiency and a high surge current capability of 30A.

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Created by Jayant 4 years 19 weeks ago – Made popular 4 years 19 weeks ago
Category: Electronic Circuits   Tags:

TDA2030 Audio Amplifier

https://components101.com

The TDA2030 IC is a powerful audio amplifier IC able to deliver up to 20W of output power, so you can use it to run a 4Ω speaker at 12W or a 8Ω speaker at 8W.

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Created by Jayant 4 years 22 weeks ago – Made popular 4 years 22 weeks ago
Category: Electronic Circuits   Tags:

IRF510 N-channel Power MOSFET

https://components101.com

IRF510 is a third-generation Power MOSFET with the best combination of fast switching and low on-state resistance. This component is available at a lower cost. Hence, it is widely used in industrial applications for power dissipation levels up to 43W.

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Created by Jayant 4 years 23 weeks ago – Made popular 4 years 23 weeks ago
Category: Electronic Circuits   Tags:

Water Level Indicator Circuit using 555 Timer IC

https://quartzcomponents.com

We are going to build a water level indicator circuit using 555 timer IC. This is a useful project which detects the water level and gives a signal to the user indicating that the water has reached the desired level.

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Created by Jayant 6 years 2 weeks ago – Made popular 6 years 2 weeks ago
Category: Electronic Circuits   Tags:

Crowbar Circuit

https://circuitdigest.com

In this tutorial we will discuss about the Crowbar Circuit which is a type of overvoltage protection circuit and is commonly used in electronic devices. We will also practically create this circuit and verify how it is working in real life.

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Created by Jayant 7 years 28 weeks ago – Made popular 7 years 28 weeks ago
Category: Electronic Circuits   Tags:

TRIAC Dimmer Circuit

https://circuitdigest.com

In this project we use Triac (Triode AC Switch) to control the brightness of the AC bulb with a IR TV Remote. You can also control Fan speed with your TV remote using this Triac Dimmer circuit.

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Created by Jayant 8 years 17 weeks ago – Made popular 8 years 17 weeks ago
Category: Electronic Circuits   Tags:

RF Transmitter and Receiver Circuit

https://circuitdigest.com

Here we will learn the basics of RF module and how to use it as a standalone RF Transmitter and Receiver. Here we have explained the RF Transmitter and Receiver Circuit by controlling the LEDs wirelessly using RF.

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Created by Jayant 8 years 22 weeks ago – Made popular 8 years 22 weeks ago
Category: Electronic Circuits   Tags:

Panic Alarm Circuit

https://circuitdigest.com

A Panic Alarm Circuit is used to send an emergency signal immediately to the people in nearby location to call for help or to alert them. The possible panic situation can be any, it is not restricted to few situations.

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Created by Jayant 8 years 23 weeks ago – Made popular 8 years 23 weeks ago
Category: Electronic Circuits   Tags:

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