• 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 » DIY Projects » Page 9

DIY Projects

Simple Electronic Stethoscope Circuit

Last updated on 19 May 2026 by Admin-Lavi Leave a Comment

This Simple Electronic Stethoscope Circuit teaches us about how to make one type of stethoscope circuit. Normal stethoscope uses tube to listen small sound from body like heart and lung but this electronic stethoscope uses small electric parts to make sound more clear and loud. The circuit also help doctors and nurses hear better what […]

Filed Under: Audio Circuits, DIY Projects, Mini Projects

Acupuncture Point Locator Circuit

Last updated on 18 May 2026 by Admin-Lavi Leave a Comment

Acupuncture Point Locator Circuit is small device which helps to find special point on human body; in acupuncture thin needle goes inside our body part to reduce pain. Moreover, this is old medical method and these special body points called acupuncture point or just acupoints. People also think energy moves through body using these points, […]

Filed Under: DIY Projects, Oscillator Circuits, Sensors and Detectors

Coffee Temperature Indicator Circuit

Last updated on 18 May 2026 by Admin-Lavi Leave a Comment

Ever burnt your tongue because of coffee too hot?; then this Coffee Temperature Indicator Circuit show how to make small circuit and which tells how hot coffee is! Here, it uses sensor to check temperature and then LED light up to say if coffee is good to drink or not; so now we can enjoy […]

Filed Under: DIY Projects, Heater and Temperature Controllers, Indicator Circuits, Sensors and Detectors

Stabilized Adjustable Power Supply 0-15V/5A Circuit

Last updated on 18 May 2026 by Admin-Lavi Leave a Comment

This article for Stabilized Adjustable Power Supply 0-15V/5A Circuit tell us about how to make special power supply circuit, which can give voltage from 0 to 15V. Also, it can run many electric devices because it give 5 amp current, but one more good thing is this power supply stays stable. Here, the voltage does […]

Filed Under: DIY Projects, Power Supply Circuits, Voltage Regulator

Precision Electronic Rat Repellent Circuit

Last updated on 16 May 2026 by Admin-Lavi Leave a Comment

When we plug in Precision Electronic Rat Repellent Circuit device, it makes high loud noise that rat and mouse do not like. Also, humans and most animals cannot hear this noise because of its very high frequency, hence, this device is a good choice if we do not want to use poison, as it produces […]

Filed Under: 555 Timer Projects, Automation Circuits, DIY Projects, Oscillator Circuits, Security and Protection

Xenon Tube Stroboscope Circuit

Last updated on 16 May 2026 by Admin-Lavi Leave a Comment

Xenon Tube Stroboscope Circuit show how to make flashing light using special xenon tube stroboscope, as this circuit uses only few parts and can plug in normal 220V power socket to make light flash very bright! WARNING: This circuit uses high voltage, which can be dangerous, so we should seek help from an expert electrician. […]

Filed Under: DIY Projects, High Voltage, LED and Lamps

  • « Go to Previous Page
  • Page 1
  • Interim pages omitted …
  • Page 7
  • Page 8
  • Page 9
  • Page 10
  • Page 11
  • Interim pages omitted …
  • Page 19
  • Go to Next Page »

Primary Sidebar




Categories

  • 555 Timer Projects (30)
  • Alarm Circuits (62)
  • Amplifier Circuits (89)
  • Arduino Projects (102)
  • Audio Circuits (159)
  • Automation Circuits (22)
  • Automobile Circuits (24)
  • Battery Charger Circuits (77)
  • DIY Projects (113)
  • Free Energy (13)
  • Heater and Temperature Controllers (25)
  • High Voltage (19)
  • Hobby Circuits (47)
  • Indicator Circuits (59)
  • Inverter Circuits (19)
  • IoT projects (1)
  • LDR Circuits (34)
  • LED and Lamps (177)
  • Meters and Testers (36)
  • Mini Projects (77)
  • Motor Controllers (22)
  • Oscillator Circuits (52)
  • Power Supply Circuits (189)
  • Remote Control Circuits (10)
  • Security and Protection (60)
  • Sensors and Detectors (170)
  • Solar Circuits (32)
  • Timer Circuits (53)
  • Transistor Circuits (136)
  • Transmitter Circuit (20)
  • Tutorials (9)
  • Voltage Regulator (6)
  • Water Level Controller (8)

Recent Posts

  • 741 Op-Amp Treble Booster Circuit
  • Simple Diode and Transistor Based Audio Limiter Circuit
  • Simple 500mW Speaker Driver Circuit
  • Easy DIY LM386 Audio Amplifier Circuit
  • Multi-Purpose Audio Preamplifier Circuit using IC TL072

Recent Comments

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

Copyright © 2026 | New Circuit Ideas