• Skip to main content
  • Skip to primary sidebar

Homemade Circuit Projects

Need circuit help? Post them in the comments! I've answered over 50,000!

Blog | Categories | About | Hire Me | Contact | Calculators-online
You are here: Home / Newly Updated Circuit Projects:

Newly Updated Circuit Projects:

Quadcopter Remote Control Circuit without MCU

Last Updated on December 19, 2025 by Swagatam 115 Comments

DRV

Although a quadcopter remote control circuits can be very easily procured from the market or from any online store, an avid electronic hobbyist is never allowed to learn how actually these function and whether or not these can be built at home? In this article I have explained how to build a simple quadcopter remote […]

Filed Under: Remote Control Circuits Tagged With: Control, MCU, Quadcopter, Remote, without

Single Transistor LED Flasher Circuit

Last Updated on December 14, 2025 by Swagatam 151 Comments

OneTransistorLEDFlasherCircuitDiagram2CImage

It is possibly the smallest LED flasher to date, which is able to flash an LED ON/OFF infinitely using a single transistor, a resistor, and a capacitor. Can you imagine making a great looking LED flasher or blinker with just a single transistor and a couple of other passive parts? That’s exactly what I have […]

Filed Under: Lamps and Lights Tagged With: Flasher, LED, Single, Transistor

Power Factor Correction (PFC) Circuit – Tutorial

Last Updated on December 10, 2025 by Swagatam 19 Comments

passive 2

In this post I have explained the different methods of configuring a power factor correction circuit or a PFC circuit in SMPS designs, and explains the best practice options for these topologies so that it complies with the modern PFC restriction guidelines. Designing efficient power supply circuits have never been easy, however in the course […]

Filed Under: Voltage Control and Protection Tagged With: Correction, Factor, PFC, Power, Tutorial

Design your own Sine Wave Inverter Circuit from the Scratch [Tutorial]

Last Updated on November 30, 2025 by Swagatam 48 Comments

the right way to interface SPWM with inverter MOSFETs

In this article I have explained comprehensively regarding how to design a sine wave inverter without any form of coding or complex circuit designs. The included designs are simple yet extremely precise with their sine waveform structure. You might have often felt discouraged, thinking that making a sine wave inverter from the scratch can be […]

Filed Under: Inverter Circuits Tagged With: Design, Inverter, Scratch, Sine, Tutorial, Wave

7 Best Touch Sensor Switch Circuits Explored

Last Updated on November 29, 2025 by Swagatam 82 Comments

touch2Bsensor

In this post I have explained 8 easy methods of building touch sensor switch circuits at home, which can be used for switching 220 V appliances ON/OFF with mere finger touch operat ions. The first one is a simple touch sensor switch using a single IC 4017, the second one employs a Schmidt trigger IC, […]

Filed Under: Sensors and Detectors Tagged With: Best, Circuits, Explored, Sensor, Switch, Touch

Emergency LED Lamp Circuit with Battery Overcharge Protection

Last Updated on November 26, 2025 by Swagatam 138 Comments

The following LED emergency light with battery over charge protection feature circuit was designed by me in response to the request sent by PP. Main Features In this article I have explained an LED emergency light circuit with advanced features such as, Using Transistors only The following design of the proposed day/night automatic emergency LED […]

Filed Under: Lamps and Lights Tagged With: Battery, Charge, Emergency, Lamp, Over, Protected

  • « Go to Previous Page
  • Page 1
  • Interim pages omitted …
  • Page 136
  • Page 137
  • Page 138
  • Page 139
  • Page 140
  • Interim pages omitted …
  • Page 291
  • Go to Next Page »

Primary Sidebar

My Youtube Channel

Circuit Simulator

circuit simulator image

Subscribe to get New Circuits in your Email

Categories

  • Arduino Projects (96)
  • Audio and Amplifier Projects (134)
  • Automation Projects (18)
  • Automobile Electronics (103)
  • Battery Charger Circuits (88)
  • Datasheets and Components (109)
  • Electronics Theory (149)
  • Energy from Magnets (27)
  • Games and Sports Projects (11)
  • Grid and 3-Phase (20)
  • Health related Projects (27)
  • Home Electrical Circuits (13)
  • Indicator Circuits (16)
  • Inverter Circuits (98)
  • Lamps and Lights (162)
  • Meters and Testers (72)
  • Mini Projects (28)
  • Motor Controller (69)
  • Oscillator Circuits (28)
  • Pets and Pests (15)
  • Power Supply Circuits (91)
  • Remote Control Circuits (50)
  • Renewable Energy (12)
  • Security and Alarm (64)
  • Sensors and Detectors (106)
  • SMPS and Converters (41)
  • Solar Controller Circuits (60)
  • Temperature Controllers (43)
  • Timer and Delay Relay (50)
  • Voltage Control and Protection (43)
  • Water Controller (37)
  • Wireless Circuits (31)

Other Links

  • Privacy Policy
  • Cookie Policy
  • Disclaimer
  • Copyright
  • Videos
  • Sitemap

People also Search

555 Circuits | 741 Circuits | LM324 Circuits | LM338 Circuits | 4017 Circuits | Ultrasonic Projects | SMPS Projects | Christmas Projects | MOSFETs | Radio Circuits | Laser Circuits | PIR Projects |

Recent Comments

  • Swagatam on Mp3 Player Using DF Player – Full Design Details
  • Swagatam on HX710B Air Pressure Sensor Datasheet, How to Connect
  • Swagatam on Electronic Circuit Projects, Tutorials, and Practical Engineering Solutions
  • Swagatam on 1 Hz to 1 MHz Frequency Reference Generator Circuit Diagram
  • Bill Butler Sr on 1 Hz to 1 MHz Frequency Reference Generator Circuit Diagram

Social Profiles

  • Twitter
  • YouTube
  • Instagram
  • Pinterest
  • My Facebook-Page
  • Stack Exchange
  • Linkedin

© 2026 · Swagatam Innovations