• 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 | Contact | Calculators-online
You are here: Home / Archives for 2015

Archives for 2015

Make this Electric Scooter/Rickshaw Circuit

Last Updated on January 4, 2024 by Swagatam 44 Comments

electric2Bscooter

In this article I have explained a simple electric scooter circuit design which can be also modified to make an electric auto-rickshaw. The idea was requested by Mr. Steve. The Circuit  Request I was lucky enough to find your blog, really amazing stuff that you’ve managed to design. I’m looking for a DC to DC […]

Filed Under: Automobile Electronics Tagged With: Electric, Rickshaw, Scooter

LED Timer Indicator Circuit for Board Games

Last Updated on January 4, 2024 by Swagatam 2 Comments

led2Btimer

In this article I have explained a simple LED indicator timer circuit which can be used with board games for indicating the elapsed time or the time consumed by the player to complete his or her turn. The idea was requested by Mr. Shane Robins. Technical Specifications Hope all is well with you. I am relatively new […]

Filed Under: Games and Sports Projects Tagged With: Board, Games, Indicator, LED, Timer

Atomizer Circuit for E Cigarettes

Last Updated on January 3, 2024 by Swagatam 10 Comments

atomizer

In this post I have explained a simple transistorized PWM controlled atomizer circuit for E-Cigarettes which may be used for controlling the filament heat levels of an atomizer. The idea was requested by Mr. Dave. Technical Specifications My name is Dave. Found your site searching for a driver circuit for a mosfet gate. I like […]

Filed Under: Temperature Controllers Tagged With: Atomizer, Cigarettes

Automatic Bathroom/Toilet Engage Indicator Circuit

Last Updated on January 3, 2024 by Swagatam 8 Comments

IMG 1200 2

In this post I have explained a very simple automatic bathroom/Toilet Engage indicator circuit which can be installed with any relevant door bolt for implementing the actions. The idea was created and submitted by Mr. Sandipan. The Design I have one more idea that need your help. I would like to implement is at my […]

Filed Under: Indicator Circuits Tagged With: Automatic, Bathroom, Engage, Indicator, Toilet

How to Make a Barcode Security Lock Circuit

Last Updated on January 3, 2024 by Swagatam 12 Comments

barcodescanner 2

A simple barcode security lock circuit or barcode scanner circuit is explained in the following article using just a handful of ordinary components such as an op amp, an LDR and an laser light. We all have seen and are familiar with these arrays of thick and thin lines which can be seen printed on […]

Filed Under: Security and Alarm Tagged With: Barcode, Lock, Security

High Power Industrial Mains Surge Suppressor Explored

Last Updated on January 3, 2024 by Swagatam Leave a Comment

highenergyvaristor

In this post I have explained a high energy surge suppressor circuit using high capacity industrial MOVs for suppressing high current mains surges in industrial electrical lines. The Circuit Problem: I’ve been reading a lot of your design ideas and I am extremely impressed with your designs. I don’t have anywhere near your level of […]

Filed Under: Voltage Control and Protection Tagged With: High, Industrial, Mains, Power, Suppressor, Surge

  • « Go to Previous Page
  • Page 1
  • Interim pages omitted …
  • Page 11
  • Page 12
  • Page 13
  • Page 14
  • Page 15
  • Interim pages omitted …
  • Page 31
  • Go to Next Page »

Primary Sidebar

circuit simulator image



Subscribe to get New Circuits in your Email



Categories

  • Arduino Projects (95)
  • Audio and Amplifier Projects (133)
  • Automation Projects (18)
  • Automobile Electronics (103)
  • Battery Charger Circuits (87)
  • 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 (95)
  • Lamps and Lights (159)
  • Meters and Testers (71)
  • 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 (34)
  • Solar Controller Circuits (60)
  • Temperature Controllers (43)
  • Timer and Delay Relay (49)
  • Voltage Control and Protection (42)
  • 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 7 Simple Continuity Tester Circuits Explained
  • Swagatam on Echo Effect Generator Circuit
  • Swagatam on Making a Cell Phone Controlled Remote Bell Circuit
  • Swagatam on Ultrasonic Fuel Level Indicator Circuit
  • Keir Vaughan-Taylor on 7 Simple Continuity Tester Circuits Explained

© 2026 · Swagatam Innovations