• 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:

Make Free Drinking Water from Sea Water

Last Updated on June 30, 2026 by Swagatam 16 Comments

sea2Bwater2Bdesalination

In this post I have explained a cheap yet effective method of desalinating large quantities of sea water into free drinking water at home. The idea was requested by Mr. Mike. Technical Specifications This is Mike Cardenas and am writing to you with reference to your invention of a Solar Water desalination set-up from 2011 […]

Filed Under: Energy from Magnets and Earth Tagged With: Drinking, Free, Water

Wireless Home Security Circuit – Solar Powered

Last Updated on July 6, 2019 by Swagatam Leave a Comment

warning2Bsecurity

In this article I have explained a remote controlled wireless home security circuit using which enables the detection of a possible intrusion way in advance depending on how and where the remote sensors are positioned over the selected strategic locations and the desired distance from the house. The idea was requested by Mr. Dave Monette. […]

Filed Under: Security and Alarm Tagged With: Home, Powered, Security, Solar, Wireless

Emergency Incubator Heater Circuit with Battery Charger

Last Updated on January 1, 2024 by Swagatam 1 Comment

incubator2Bheater

In this post I have explained a 12V power supply with battery charger circuit which can be implemented as an uninterruptible emergency heating system for incubator chambers. The idea was requested by Mr. Arya. Technical Specifications I’ve read all your good article, but can you help me to design an Linear PSU that provide 12 […]

Filed Under: Temperature Controllers Tagged With: Battery, Charger, Emergency, Heater, Incubator

Rechargeable LED Lantern Circuit Using Dynamo

Last Updated on June 8, 2026 by Swagatam 17 Comments

dynamo2Bcharger

In this post we study a simple rechargeable LED lantern circuit which features battery charging option from a dynamo as well as from a mains 220V source. The idea was requested by Mr. Chidimonday. Technical Specifications I like what you doing here, i have even put in work some of your circuit and it functioned […]

Filed Under: Lamps and Lights Tagged With: Dynamo, Lantern, LED, Rechargeable

How to Identify Component Specifications in Schematics

Last Updated on May 17, 2026 by Swagatam 11 Comments

In this post I have explained the correct way of understanding and identifying component specifications in a given circuit schematics, even if the details are missing in the document or the schematic. Schematics without Part Specifications When a new hobbyist searches for a particular electronic circuit of his choice, the internet provides him with a […]

Filed Under: Datasheets and Components Tagged With: Component, Identify, Schematics, Specifications

Solar, Wind, Hybrid Battery Charger Circuits

Last Updated on October 20, 2023 by Swagatam 225 Comments

two2Binput2Bsolar2Bwind2Bcharger2Bcircuit

In this article I have explained a dual input hybrid solar and wind battery charger circuit using cheap and ordinary components. The idea was requested by one of the interested members of this blog. Technical Specifications Good after noon sir am designing a ” Solar and Wind energy harvest regulator circuit” which has two inputs […]

Filed Under: Solar Controller Circuits Tagged With: Battery, Charger, Circuits, Hybrid, Solar, Wind

  • « Go to Previous Page
  • Page 1
  • Interim pages omitted …
  • Page 174
  • Page 175
  • Page 176
  • Page 177
  • Page 178
  • Interim pages omitted …
  • Page 298
  • Go to Next Page »

Primary Sidebar

Categories

  • Arduino Projects (95)
  • Audio and Amplifier Projects (134)
  • Automation Projects (18)
  • Automobile Electronics (104)
  • Battery Charger Circuits (90)
  • Datasheets and Components (109)
  • Electronics Theory (153)
  • Energy from Magnets and Earth (43)
  • Games and Sports Projects (11)
  • Grid and 3-Phase (20)
  • Health related Projects (27)
  • Home Electrical Circuits (13)
  • Indicator Circuits (16)
  • Inverter Circuits (105)
  • Lamps and Lights (178)
  • Meters and Testers (72)
  • Mini Projects (28)
  • Motor Controller (68)
  • Oscillator Circuits (30)
  • Pets and Pests (15)
  • Power Supply Circuits (92)
  • Remote Control Circuits (50)
  • Security and Alarm (65)
  • Sensors and Detectors (113)
  • SMPS and Converters (47)
  • Solar Controller Circuits (63)
  • Temperature Controllers (44)
  • Timer and Delay Relay (51)
  • Voltage Control and Protection (44)
  • Water Controller (37)
  • Wireless Circuits (31)

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 |

My YouTube Channel

Circuit Simulator: Draw and Simulate Schematics

circuit simulator image

Subscribe to get New Circuits in your Email

Other Links

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

Recent Comments

  • Swagatam on PWM Inverter Using IC TL494 Circuit
  • Luke Knepp on PWM Inverter Using IC TL494 Circuit
  • Swagatam on 5 Best IC 555 Oscillator Circuits Explored
  • Swagatam on How Load Conducts in Half-Bridge Driver Circuits like IR2184 or IR2110
  • Do Hung on How Load Conducts in Half-Bridge Driver Circuits like IR2184 or IR2110

Social Profiles

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

Calculators

  • ZVS Induction Heater + Tank Calculator Tool
  • Zener Diode Calculator
  • Wire Current and Thickness Calculator (Ampacity Calculator)
  • Resistive Voltage Divider Calculator
  • Transistor Base Resistor Calculator
  • Transistor Astable Multivibrator Calculator
  • TL431 Calculator
  • Solar Panel, Inverter, Battery Calculator
  • Ferrite Core Air Gap Calculator Tool
  • Parallel MOSFET Calculator Tool: How to Connect MOSFETs in Parallel Safely
  • LC Resonance Calculator for EV Battery Charger Circuits
  • LED String Series Resistor Calculator
  • PFC (Power Factor Correction) Calculator Tool: 3kW
  • Passive Power Factor Correction (PFC) Calculator
  • LM567 IC Calculator Tool
  • SMPS Flyback Boost Converter Calculator
  • Shunt Resistor Calculator for Ammeters
  • SCR and Triac Gate Resistor Calculator
  • Battery Back up Time Calculator
  • Boost Converter Calculator (Non-Isolated)
  • Bootstrap Capacitor Calculator
  • Buck Converter Calculator
  • Buck-Boost Converter Calculator
  • Capacitance Reactance Calculator
  • DCM Flyback Transformer & Wire Gauge Wire Size Calculator Tool
  • Filter Capacitor Calculator
  • IC 4047 Calculator (Frequency and PWM)
  • IC 4060 Calculator
  • IC 555 Astable Calculator
  • IC 555 Monostable Calculator
  • IC SG3525, SG3524 Calculator
  • Inductance Calculator
  • Induction Heater Inductor and Resonant Frequency Calculator
  • Induction Heater Work Coil Calculator
  • Inverter LC Filter Calculator
  • LC Resonance Calculator
  • LED Current Calculator
  • LM317, LM338, LM396 Calculator
  • NAND/NOT Gate RC Values Calculator
  • NOT, NAND Gate Frequency Calculator
  • Notch Filter Calculator Tool
  • Ohm’s Law Calculator
  • Phase Angle Phase Shift Calculator
  • Power Factor (PF) Calculator
  • RC Filter Calculator
  • Reactance Calculator
  • Sine Table Calculator for SPWM Arduino Code
  • Small Signal Transistor(BJT) and Diode Quick Datasheet
  • SMPS Calculator for Toroidal Ferrite Transformers
  • SMPS Flyback Transformer Calculator – Design by Target Duty Cycle
  • TL431 Calculator
  • Op-Amp Hysteresis Resistor Calculator

© 2026 · Swagatam Innovations