• 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 » Mini Projects » Page 57

Mini Projects

Simple Adjustable LED Dimmer Circuit

Last updated on 22 May 2026 by Admin-Lavi Leave a Comment

Want to change how bright the LED light is?; then we can use adjustable LED dimmer circuit for that. Furthermore, this small and Simple Adjustable LED Dimmer Circuit helps to control LED brightness so one get just right light for any time. Also, by turning some parts like resistor, transistor and one special knob (called […]

Filed Under: DIY Projects, LED and Lamps, Mini Projects, Voltage Regulator

How to Build a Simple LED Circuit

Last updated on 22 May 2026 by Admin-Lavi Leave a Comment

This article teaches us How to Build a Simple LED Circuit; an LED is small special light that shine when to get electricity. Also, this project show how to join some parts together to make LED turn ON. Moreover, people use LED circuits in many things like torch lights, car back lights and even big […]

Filed Under: DIY Projects, Hobby Circuits, LED and Lamps, Mini Projects

Simple Flashing Beacon Light Circuit

Last updated on 22 May 2026 by Admin-Lavi Leave a Comment

This guide shows how to build a Simple Flashing Beacon Light Circuit which does requires few parts like: Timer tells the light when to turn ON and OFF quickly, so it looks like blinking; also, people use this circuit for decoration, warning light or just for fun. Circuit Working: Parts List: Components Quantity Resistors 10k […]

Filed Under: Indicator Circuits, LED and Lamps, Mini Projects

Simple Regulated Adjustable Power Supply Circuit using IC 723

Last updated on 22 May 2026 by Admin-Lavi Leave a Comment

To begin with, this Simple Regulated Adjustable Power Supply Circuit using IC 723 show how to make one simple power supply circuit, which can change voltage up and down. We can use one chip call LM723 with some people say IC 723, this chip is good and it take power from plug and makes it […]

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

Mobile Phone Detector Circuit using Op-Amp

Last updated on 20 May 2026 by Admin-Lavi Leave a Comment

To begin with, in this Mobile Phone Detector Circuit using Op-Amp we will show how to make one circuit to detect mobile phones nearby. The circuit detects radio signals from an active mobile phone, helping to identify unauthorized phone usage in quiet places like meeting rooms and libraries. However, always check local rules and regulations […]

Filed Under: Hobby Circuits, Mini Projects, Security and Protection, Sensors and Detectors

Simple Low Battery Indicator Circuit using Two Transistors

Last updated on 20 May 2026 by Admin-Lavi Leave a Comment

This article for Simple Low Battery Indicator Circuit using Two Transistors tell how to make small circuit for battery device. When battery goes low it uses only few parts like two transistors to turn ON one LED light; so this way we can know when to change battery before device stop working. Circuit Diagram: Parts […]

Filed Under: Battery Charger Circuits, Hobby Circuits, Indicator Circuits, Mini Projects, Power Supply Circuits, Transistor Circuits

  • « Go to Previous Page
  • Page 1
  • Interim pages omitted …
  • Page 55
  • Page 56
  • Page 57
  • Page 58
  • Page 59
  • Interim pages omitted …
  • Page 66
  • Go to Next Page »

Primary Sidebar




Categories

  • 555 Timer Projects (137)
  • Alarm Circuits (81)
  • Amplifier Circuits (94)
  • Arduino Projects (103)
  • Audio Circuits (190)
  • Automation Circuits (150)
  • Automobile Circuits (40)
  • Battery Charger Circuits (89)
  • DIY Projects (437)
  • Free Energy (12)
  • Heater and Temperature Controllers (32)
  • High Voltage (24)
  • Hobby Circuits (244)
  • Indicator Circuits (63)
  • Inverter Circuits (17)
  • IoT projects (12)
  • LDR Circuits (47)
  • LED and Lamps (201)
  • Meters and Testers (44)
  • Mini Projects (392)
  • Motor Controllers (26)
  • Oscillator Circuits (70)
  • Power Supply Circuits (245)
  • Radio Frequency (8)
  • Remote Control Circuits (12)
  • Renewable energy (20)
  • Security and Protection (128)
  • Sensors and Detectors (236)
  • Solar Circuits (31)
  • Timer Circuits (63)
  • Transistor Circuits (178)
  • Transmitter Circuit (19)
  • Tutorials (33)
  • Voltage Regulator (67)
  • Water Level Controller (10)

Recent Posts

  • Low Current Controlled Battery Charger Circuit using LM723 IC
  • 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

Recent Comments

  1. Admin-Lavi on High Voltage Fence Charger Circuit
  2. etere on High Voltage Fence Charger Circuit
  3. Admin-Lavi on High Voltage Fence Charger Circuit
  4. egidio grzinic on High Voltage Fence Charger Circuit
  5. Logic OR Gate Circuit using Transistors - Circuit Ideas for You on Automatic Street Light Circuit using LDR

Copyright © 2026 | New Circuit Ideas