• 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 / Archives for 2020

Archives for 2020

Automotive LED Driver Circuits – Design Analysis

Last Updated on May 16, 2026 by Swagatam 38 Comments

telltale lights automotive

In cars or automobiles, LEDs have grown to be the preferred choice of lighting. Whether it’s the rear tail-lights or the tell-tale indicators in the cluster as indicated in Figure 1 below, all incorporate LEDs nowadays. Their compact dimensions helps versatility in design and offers the prospective to be as durable as the vehicle’s life […]

Filed Under: Automobile Electronics Tagged With: Analysis, Automotive, Circuits, Design, Driver, LED

4 Solid-State Car Alternator Regulator Circuits Explored

Last Updated on May 16, 2026 by Swagatam 85 Comments

car voltage regulator circuit

The 4 simple car voltage current regulator circuits I have explained below is created as a immediate alternative to any standard regulator and, although developed principally for a dynamo it will function equally effectively with an alternator. If the functioning of a traditional car alternator voltage regulator is analyzed, we find it amazing that these […]

Filed Under: Automobile Electronics Tagged With: Alternator, Circuits, Explored, Regulator, Solid, State

Automobile Engine RPM Servicing Meter Circuit (Analogue Tachometer Circuits)

Last Updated on May 16, 2026 by Swagatam 4 Comments

analogue tachometer

These useful lightweight, cheap, analogue tachometer circuits are developed for facilitating car or auto servicing mechanics for precisely adjusting a car ignition system RPM to get maximum efficiency from it. The proposed circuits are actually combined results of a tachometer and a dwell meter. Application The car RPM servicing meter circuit can be applied for […]

Filed Under: Automobile Electronics Tagged With: Analogue, Automobile, Engine, Meter, RPM, Servicing

3-Pin Solid-State Car Turn Indicator Flasher Circuit – Transistorized

Last Updated on May 16, 2026 by Swagatam 6 Comments

car solid state flasher unit

Although, most of the car electronics have evolved into solid-sate versions, a turn indicator flasher unit is one device which still depend on a relay based design in many of the modern cars. Disadvantages of Relay Based Flasher There are a couple major disadvantages of a relay based electromechanical flasher unit: 1) First, these being […]

Filed Under: Automobile Electronics Tagged With: Flasher, Indicator, Solid, State, Transistorized, Turn

Converting Wasted Spark Ignition to Sequential Spark, for High Efficiency Combustion

Last Updated on May 16, 2026 by Swagatam 37 Comments

wasted spark 1

In this post I have explained a simple method of converting a wasted spark type ignition system in an automobile, into an enhanced, sequential spark, 6 cylinder engine type ignition system. The idea was requested by Mr. Brenton, as given below: Main Requirements I was looking through the car and motorcycle section but couldn’t find […]

Filed Under: Automobile Electronics Tagged With: Converting, High, Ignition, Sequential, spark, Wasted

Car Warning Tone Generator for Ignition, Headlight, Turn Lights

Last Updated on May 16, 2026 by Swagatam 10 Comments

car warning tone

The circuit explained here is basically a warning signal generator designed largely for automobile application. It triggers a warning signal in a situation when the turn indicator switch is not restored back to its neutral status. The circuit is especially useful for all those cars where the turn indicator system is not supported with an […]

Filed Under: Automobile Electronics Tagged With: Generator, Headlight, Ignition, Tone, Turn, Warning

  • « Go to Previous Page
  • Page 1
  • Interim pages omitted …
  • Page 3
  • Page 4
  • Page 5
  • Page 6
  • Page 7
  • Interim pages omitted …
  • Page 18
  • 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 (95)
  • 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 (99)
  • 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 (44)
  • 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 How to Use an Op amp as a Comparator Circuit
  • Swagatam on Simple Triac Triggering Circuits Explained
  • pat on Simple Triac Triggering Circuits Explained
  • Dr John C Bullas on How to Use an Op amp as a Comparator Circuit
  • Swagatam on How to Use an Op amp as a Comparator Circuit

Social Profiles

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

© 2026 · Swagatam Innovations