• 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 Simple

Simple

Simple Solar Tracker System – Mechanism and Working

Last Updated on February 28, 2026 by Swagatam 88 Comments

The circuit and the mechanism I have explained in this article may be considered as the easiest and perfect dual axis solar tracker system. How the Dual Axis Solar Tracker Concept Works The device is able to track the daytime motion of the sun precisely and shift in the vertical axis accordingly. The device also […]

Filed Under: Solar Controller Circuits Tagged With: Mechanism, Simple, Solar, System, Tracker, Working

5 Simple Water Level Controller Circuits

Last Updated on January 22, 2026 by Swagatam 221 Comments

An automatic water level controller is a device which senses undesired low and high water levels in a tank, and switches a water pump ON or OFF accordingly to maintain an optimal water content in the tank. In this article I have explained 5 simple automatic water level controller circuits which can be used for […]

Filed Under: Water Controller Tagged With: Circuits, Controller, Level, Simple, Water

How to Generate Electricity from Sea Waves – 2 Simple Methods

Last Updated on January 21, 2026 by Swagatam 4 Comments

seawaterelectricity

In this post we investigate a couple of quick and efficient methods of generating free electricity from the sea waves which is limitless and an infinite source of energy. Introduction Just like wind and sun, sea is another example of massiveness and a potential raw energy source that may be harnessed for acquiring electrical power. […]

Filed Under: Renewable Energy Tagged With: Electricity, Generate, Methods, Simple, Water

10 Simple FM Transmitter Circuit Diagrams Explained

Last Updated on January 2, 2026 by Swagatam 132 Comments

two transistor FM transmitter

An FM transmitter circuit is a high frequency wireless device which is able to transmit voice signals into atmosphere so that it can be received by a corresponding FM receiver circuit for reproducing the voice signals in a loudspeaker. Here we’ll discuss how to build small FM transmitter circuits using 10 different methods, one that […]

Filed Under: Wireless Circuits Tagged With: Diagrams, Explained, FM, Simple, Transmitter

4 Simple Transformerless Power Supply Circuits Explained

Last Updated on December 24, 2025 by Swagatam 438 Comments

In this post I have explained 4 easy to build, compact simple transformerless power supply circuits. All the circuits presented here are built using capacitive reactance theory for stepping down the input AC mains voltage. All the designs presented here work independently without any transformer, or no transformer. The Transformerless Power Supply Concept As the […]

Filed Under: Power Supply Circuits Tagged With: Circuits, Explained, Power, Simple, Supply, Transformerless

Battery Voltage Monitor Circuits using LM324 and LM3915 ICs

Last Updated on November 24, 2025 by Swagatam 59 Comments

dcvoltagemonitorcircuit

The post describes simple battery charge monitor circuits or battery status indicator circuits using 4 LEDs to 10 LEDs, and using ICs like LM324 and LM3915. The first design is a 4 LED voltage monitor circuit using the versatile IC LM324. The idea was requested by Ms. Piyali. Technical Specifications I’ve a project, if you […]

Filed Under: Sensors and Detectors Tagged With: Battery, Circuits, Monitor, Simple, Voltage

  • « Go to Previous Page
  • Page 1
  • Interim pages omitted …
  • Page 16
  • Page 17
  • Page 18
  • Page 19
  • Page 20
  • Interim pages omitted …
  • Page 31
  • 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 (148)
  • 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 (100)
  • 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 (65)
  • Sensors and Detectors (107)
  • SMPS and Converters (45)
  • 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 EGS002 Datasheet, Circuit Diagram Explained
  • Swagatam on Contact
  • Ariyan Siddique on EGS002 Datasheet, Circuit Diagram Explained
  • Swagatam on EGS002 Datasheet, Circuit Diagram Explained
  • danx on Contact

Social Profiles

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

© 2026 · Swagatam Innovations