• 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:

Bicycle LED Light Circuit Using a Single 1.5V Cell

Last Updated on May 16, 2026 by Swagatam 10 Comments

bicycleLEDturnlightcircuit

The proposed bike flasher flashes two white LEDs from a single 1.5V cell by using a solitary general purpose transistor, and does not need core for the involved transformer, the main core being the Air itself. Using Joule Thief Concept Every Joule Thief circuit uses ferrite rod or toroid core and its turns are wounded […]

Filed Under: Automobile Electronics Tagged With: Bicycle, Cell, LED, Light, Single

Car Speed Limit Warning Indicator Circuit

Last Updated on May 16, 2026 by Swagatam 30 Comments

carspeedlimitindicatorcircuit

In the following post I have explained a simple yet useful car speed limit warning indicator circuit which can be used in vehicles for getting an instant indication of a possible over speed limit conditions. The idea was requested by Mr. Abu-Hafss. Technical Specifications: Shall appreciate, if you could design a circuit to warn with […]

Filed Under: Automobile Electronics, Indicator Circuits Tagged With: Indicator, Limit, Speed, Warning

Modifying Car Turn Signal Lights, Park-Lights and Side-Marker Lights

Last Updated on May 16, 2026 by Swagatam 53 Comments

modified park lights

In this post I have explained an innovative circuit modification which allows a single common lamp to be used as a parking light, turn signal indicator light, as well as a side marker light on the relevant positions. The idea was requested by Mr. Chris Technical Specifications I have a project that is slightly related […]

Filed Under: Automobile Electronics Tagged With: Lights, Modifying, Park, Side, Signal, Turn

Make this Car Air Ionizer Circuit

Last Updated on May 16, 2026 by Swagatam 74 Comments

carionizercircuit

In this post I have explained the construction of a car air ionizer circuit which can be used for cleansing the atmosphere of car interior from smoke, pollution, dust particles, bad odor, pollen particles etc. The circuit was requested by Mr. Edalcor Zuproc. The Circuit Concept In one of my previous posts we saw how simply a home air […]

Filed Under: Automobile Electronics Tagged With: Ionizer

Upgrading Car Parklights to Enhanced DRLs

Last Updated on May 16, 2026 by Swagatam 11 Comments

DRL smart circuit

In this article I have explained a simple circuit idea which can be applied in order to convert existing car park lights into advanced, smart DRL system. The idea was requested by Mr. Chris. Technical Specifications I was very interested in reading the circuit diagram you posted a few months back regarding the ‘Smart DRL/indicator […]

Filed Under: Automobile Electronics Tagged With: DRLs, Enhanced, Parklights, Upgrading

Car Radiator Hot Indicator Circuit

Last Updated on May 16, 2026 by Swagatam 3 Comments

car radiator indicator circuit 1

The proposed circuit is very useful which warns the car driver before hand once the radiator gets heated up above the preset level. How it Works The working of this circuit is very simple and works off on the car battery. The familiar IC555 is used here which is the heart of the circuit. The […]

Filed Under: Automobile Electronics, Indicator Circuits Tagged With: Indicator, Radiator

  • « Go to Previous Page
  • Page 1
  • Interim pages omitted …
  • Page 3
  • Page 4
  • Page 5
  • Page 6
  • Page 7
  • Interim pages omitted …
  • Page 291
  • Go to Next Page »

Primary Sidebar

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 (96)
  • Lamps and Lights (160)
  • Meters and Testers (72)
  • Mini Projects (28)
  • Motor Controller (68)
  • 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 |

Social Profiles

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

Recent Comments

  • Swagatam on EGS002 Datasheet, Circuit Diagram Explained
  • Swagatam on Simple SG3525 Sine Wave Inverter Circuit Explained
  • Swagatam on 2 Best Long Duration Timer Circuits Explained
  • Swagatam on TL494 Datasheet, Pinout, Application Circuits
  • David on Simple SG3525 Sine Wave Inverter Circuit Explained

© 2026 · Swagatam Innovations