• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar

Circuit Ideas for You

Get free circuit ideas online.

  • Home
  • Privacy Policy
  • About
Home » Page 115

Hand Grip Strength Tester Circuit

Last updated on 14 July 2025 by Admin-Lavi Leave a Comment

Do anyone want to test their grip strength? Like small hand wrestling with ourselves? This Hand Grip Strength Tester Circuit is a hand grip tester. It uses simple electronic parts to check how hard we can squeeze. More squeeze then more lights turn ON which shows our grip power. Circuit Working: Parts List: Component Value/Type […]

Filed Under: Meters and Testers

Simple Guitar Fuzz Circuit

Last updated on 14 July 2025 by Admin-Lavi Leave a Comment

Imagine we play guitar but we want loud, fuzzy, buzzing sound which is not clear. A Simple Guitar Fuzz Circuit is like small monster in a box. It changes our normal sound and makes it fuzzy, noisy or roaring. Rock and blues players use this as it comes in small box with buttons we press […]

Filed Under: Audio Circuits

How to use an LED as a Light Detector Circuit

Last updated on 14 July 2025 by Admin-Lavi Leave a Comment

LEDs mostly make light but they can also sense light! Like a secret power when light hits an LED the right way it makes a tiny bit of electricity. This is called the photovoltaic effect like a tiny solar panel. In this post for How to use an LED as a Light Detector Circuit we […]

Filed Under: Sensors and Detectors

Simple Speaker Audio Output Transformer Circuit

Last updated on 14 July 2025 by Admin-Lavi Leave a Comment

Imagine our voice is strong but we whisper through a tiny straw to reach our far friend but it wont work. Same is in circuit for Simple Speaker Audio Output Transformer Circuit which works like a megaphone for sound signal. It takes strong signal from amplifier and changes it to fit the speaker so music […]

Filed Under: Audio Circuits

Simple Transistor Tester Circuit

Last updated on 14 July 2025 by Admin-Lavi Leave a Comment

Transistors are small switches. But how to check if they work or what type they are? This Simple Transistor Tester Circuit is like a transistor checker. It is an easy DIY project which uses few parts. It tells us if transistor is good or bad and also shows if its NPN or PNP like two […]

Filed Under: Meters and Testers, Transistor Circuits

Simple DC High Low Voltage Cut Off Circuit

Last updated on 14 July 2025 by Admin-Lavi Leave a Comment

If our device need right DC power to work safe then this Simple DC High Low Voltage Cut Off Circuit work like a guard. If battery is too low then circuit stop power to save our device. If battery is too high then also circuit stops power to protect. This circuit keep device safe from […]

Filed Under: Power Supply Circuits

  • « Go to Previous Page
  • Page 1
  • Interim pages omitted …
  • Page 113
  • Page 114
  • Page 115
  • Page 116
  • Page 117
  • Interim pages omitted …
  • Page 170
  • Go to Next Page »

Primary Sidebar




Categories

  • 555 Timer Projects (25)
  • Alarm Circuits (60)
  • Amplifier Circuits (89)
  • Arduino Projects (102)
  • Audio Circuits (157)
  • Automation Circuits (13)
  • Automobile Circuits (23)
  • Battery Charger Circuits (76)
  • DIY Projects (92)
  • Free Energy (13)
  • Heater and Temperature Controllers (22)
  • High Voltage (18)
  • Hobby Circuits (39)
  • Indicator Circuits (58)
  • Inverter Circuits (19)
  • IoT projects (1)
  • LDR Circuits (34)
  • LED and Lamps (175)
  • Meters and Testers (35)
  • Mini Projects (58)
  • Motor Controllers (22)
  • Oscillator Circuits (51)
  • Power Supply Circuits (187)
  • Remote Control Circuits (9)
  • Security and Protection (54)
  • Sensors and Detectors (167)
  • Solar Circuits (32)
  • Timer Circuits (52)
  • Transistor Circuits (136)
  • Transmitter Circuit (20)
  • Tutorials (9)
  • Voltage Regulator (5)
  • Water Level Controller (8)

Recent Posts

  • Simple 500mW Speaker Driver Circuit
  • Easy DIY LM386 Audio Amplifier Circuit
  • Multi-Purpose Audio Preamplifier Circuit using IC TL072
  • AF Signal Preamplifier Circuit with LM741 IC
  • Simple LM324 Microphone Amplifier Circuit

Recent Comments

  1. How to Make a Bird Chirping Noise Easily on Chirping Bird Sound Generator Circuit
  2. Transistor Based Medium Impedance Preamplifier Circuit - Circuit Ideas for You on Low Impedance Input Transistor Preamplifier Circuit
  3. Admin-Lavi on Alternate Red Green LED Flasher Circuit
  4. Admin-Lavi on Alternate Red Green LED Flasher Circuit
  5. Mike on Alternate Red Green LED Flasher Circuit

Copyright © 2026 | New Circuit Ideas