• 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:

Music Power Level Indicator Circuit using IC LM3915

Last Updated on May 15, 2026 by Swagatam 9 Comments

level2Bmeter2Bcircuit

In this post I have explained a  LED music power level indicator for indicating a subwoofer bass power range, which can be also modified as an effective dancing Electroluminescent Wire light show. The idea was requested by Mr. David. Technical Specifications Here’s an idea or suggestion for your projects or what ever lol My son […]

Filed Under: Audio and Amplifier Projects Tagged With: Indicator, Level, LM3915, Music, Power

Simple Musical Door Bell Circuit

Last Updated on May 15, 2026 by Swagatam 35 Comments

doorbell circuit

A very simple musical door bell circuit can be built and installed in homes, the design features a replaceable music chip option, and an adjustable ringtone duration, as per the user preference, we’ll learn the entire circuit procedure through the following article. Today we can find a huge range of door bells in the market […]

Filed Under: Audio and Amplifier Projects Tagged With: Bell, Door, Musical, Simple

Make this Crystal Radio Set Circuit using No Batteries

Last Updated on May 15, 2026 by Swagatam 14 Comments

crystal

A crystal radio circuit is probably the simplest form of radio that uses hardly any electronic components, and needs absolutely no external power for the operations. Crystal Radio Concept The only downside of this radio concept is the requirement of a very long antenna and a deep earthing, therefore this unit is not something which […]

Filed Under: Audio and Amplifier Projects Tagged With: Batteries, Crystal, Radio

5 Simple Preamplifier Circuits Explained

Last Updated on May 15, 2026 by Swagatam 125 Comments

amplifier 2

As the name suggests a preamplifier circuit pre-amplifies a very small signal to some specified level that can be further amplified by an attached power amplifier circuit. It basically acts like a buffer stage between the input small signal source and a power amplifier. A preamplifier is used in applications where the input signal is […]

Filed Under: Audio and Amplifier Projects Tagged With: Circuits, Explained, Preamplifier, Simple

32 watt Amplifier Circuit using TDA2050

Last Updated on May 15, 2026 by Swagatam 45 Comments

In this post I have explained how to build a simple yet powerful 32 watt amplifier circuit using a single chip TDA2050 and with a handful of resistors and capacitors. By: Dhrubajyoti Biswas Working Principle of TDA2050V This article will detail building a stereo amplifier along with an output for a headphone jack. It is […]

Filed Under: Audio and Amplifier Projects Tagged With: Amplifier, TDA2050, Watt

6 watt Audio Amplifier Circuit Using TDA1011

Last Updated on May 15, 2026 by Swagatam 15 Comments

A very simple yet useful 6 watt audio amplifier circuit using IC TDA1011 is explained in the following article, which can be built by new hobbyist and used for amplifying music from different sources such as cellphones, FM radios, doorbell etc. By:Dhrubajyoti Biswas. A monolithic integrated audio amplifier circuit TDA1011 is especially used for recording […]

Filed Under: Audio and Amplifier Projects Tagged With: Amplifier, Audio, TDA1011, Watt

  • « Go to Previous Page
  • Page 1
  • Interim pages omitted …
  • Page 163
  • Page 164
  • Page 165
  • Page 166
  • Page 167
  • Interim pages omitted …
  • Page 294
  • Go to Next Page »

Primary Sidebar



Categories

  • Arduino Projects (95)
  • Audio and Amplifier Projects (134)
  • Automation Projects (18)
  • Automobile Electronics (103)
  • Battery Charger Circuits (89)
  • Datasheets and Components (109)
  • Electronics Theory (150)
  • Energy from Magnets and Earth (40)
  • 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 (163)
  • Meters and Testers (72)
  • Mini Projects (28)
  • Motor Controller (68)
  • Oscillator Circuits (30)
  • Pets and Pests (15)
  • Power Supply Circuits (91)
  • Remote Control Circuits (50)
  • Security and Alarm (65)
  • Sensors and Detectors (107)
  • SMPS and Converters (46)
  • Solar Controller Circuits (62)
  • Temperature Controllers (44)
  • Timer and Delay Relay (50)
  • Voltage Control and Protection (44)
  • Water Controller (37)
  • Wireless Circuits (31)



Circuit Simulator

circuit simulator image



Subscribe to get New Circuits in your Email



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 Low Battery Indicator Circuit Using Two Transistors Only
  • Swagatam on How To Use And Program ATmega Microcontrollers From Scratch Without Arduino
  • Norman D Kelley on Low Battery Indicator Circuit Using Two Transistors Only
  • Swagatam on Blood Electrification Circuit: Explanation And Working Principle
  • Ron Shenk on Blood Electrification Circuit: Explanation And Working Principle

Social Profiles

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

© 2026 · Swagatam Innovations