• 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 2011

Archives for 2011

6 Simple Capacitance Meter Circuits Explained – Using IC 555 and IC 74121

Last Updated on June 8, 2026 by Swagatam 59 Comments

FrequencyMeter

In this post I will talk about 6 easy yet accurate capacitance meter circuits using the ubiquitous IC 555 and many other easily available ICs. How Capacitors Work Capacitors are one of the main electronic components which come under the passive component family. These are extensively used in electronic circuits and virtually no circuit can […]

Filed Under: Meters and Testers Tagged With: 555, Capacitance, Circuits, Explained, Meter, Simple

Simple Analogue Weighing Scale Meter Circuit

Last Updated on June 8, 2026 by Swagatam 18 Comments

simple weighing scale machine

Learn a super simple procedure to make a weighing scale meter circuit useful for measuring smaller magnitudes of weight. The Concept The concept is very simple, a light beam is allowed to pass through a linearly colored ribbon and fall over an LDR. The color shade of the ribbon positioned in front of the light […]

Filed Under: Meters and Testers Tagged With: Analogue, Meter, Scale, Simple, Weighing

Make a Workbench Multimeter With the IC 741

Last Updated on June 8, 2026 by Swagatam 29 Comments

1

Testing and troubleshooting electronic project circuits requires a multimeter, so new hobbyists may feel interested to try the following homemade multimeter circuits as their next electronic project. Using a Single Opamp 741 The few opamp based meter circuits such as Ohmmeter, voltmeter, ammeter are discussed below using the IC 741 and just a few other […]

Filed Under: Meters and Testers Tagged With: 741, Multimeter, Workbench

AC Millivolts Meter Circuit Using IC 741

Last Updated on June 8, 2026 by Swagatam 2 Comments

MeasuringmVUsingIC741Circuit252CDiagram

In this article we study an op amp based millivolt meter circuit designed to measure AC millivolts accurately, I have explained the details from the following explanation. The circuit shown below can be used to measure DC potentials in the range of milli-volts. The circuit is highly sensitive and is calibrated to measure voltages in […]

Filed Under: Meters and Testers Tagged With: 741, AC, Meter, Millivolts

RTD Temperature Meter Circuit

Last Updated on June 8, 2026 by Swagatam 2 Comments

rtd 2

In this post I have explained the making of an RTD temperature meter circuit, and also learn about different RTDs and their working principles through formulas. What’s an RTD A RTD or resistance temperature detector works by detecting the difference or an increase in the resistance of the sensor metal when it’s subjected to heat. […]

Filed Under: Meters and Testers Tagged With: Meter, RTD, Temperature

IC 4060 Pinouts Explained

Last Updated on June 7, 2026 by Swagatam 69 Comments

IC4060PinOut

Another versatile device, the IC 4060 has numerous applications and can be used for implementing various useful functions in an electronic circuit. Introduction Basically the IC 4060 is a oscillator/Timer IC and can be used for producing discretely variable accurate time intervals or delays. Alternatively it may also be used as an oscillator for acquiring […]

Filed Under: Electronics Theory Tagged With: 4060, Explained, Pinouts

  • Page 1
  • Page 2
  • Page 3
  • Interim pages omitted …
  • Page 14
  • 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 SCR Applications Circuits
  • Frank on SCR Applications Circuits
  • Swagatam on SCR Applications Circuits
  • Frank Frega on SCR Applications Circuits
  • Swagatam on 9 Simple Solar Battery Charger Circuits

Social Profiles

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

© 2026 · Swagatam Innovations