• 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 20

Solenoid Valve Control Circuit using Arduino

Last updated on 21 November 2025 by Admin-Lavi Leave a Comment

Solenoid valve is small device which controls water or air flow. Arduino can operate this valve using relay. Relay works like switch. Arduino gives signal to relay. Relay turns valve ON or OFF. This project for Solenoid Valve Control Circuit using Arduino is simple and useful. Arduino Coding: Coding Explanation: Circuit Working: Parts List: Item […]

Filed Under: Arduino Projects, Motor Controllers

Simple Arduino OLED Display Circuit

Last updated on 20 November 2025 by Admin-Lavi Leave a Comment

Want our Arduino to talk to us on screen? Then add a small digital screen to our Arduino in minutes. With OLED display, our simple Arduino project suddenly feel like a real gadget. It show clear text with no backlight, low power and with super cool look. OLED display need only two data wires and […]

Filed Under: Arduino Projects, LED and Lamps

Arduino Based Smart Car Parking Sensor Circuit

Last updated on 20 November 2025 by Admin-Lavi Leave a Comment

Today parking is big problem everywhere. Parking become easy with this Arduino idea. So we made small Arduino Based Smart Car Parking Sensor Circuit. This system detects car and display free or busy slot automatic. Arduino brain tell LCD which slot free. No confusion, no searching, just smart slot information. Simple circuit with smart working […]

Filed Under: Arduino Projects, Sensors and Detectors

Arduino Air Pressure Circuit with Sensor HX710B

Last updated on 20 November 2025 by Admin-Lavi Leave a Comment

Air pressure is around us all time, but we cannot see it. With HX710B sensor and Arduino, we can measure it easily. This project for Arduino Air Pressure Circuit with Sensor HX710B show pressure value on LCD in real time. Just connect wires, upload code and see pressure on screen. Circuit is easy, code is […]

Filed Under: Arduino Projects, Sensors and Detectors

555 Timer Astable Multivibrator Circuit

Last updated on 19 November 2025 by Admin-Lavi Leave a Comment

This 555 Timer Astable Multivibrator Circuit is simple and easy. Astable means output never stays stable. Output keeps switching high and low again and again. Circuit creates square wave pulses. It is used for LED blinking, tone generation, clock signal and many hobby projects. Circuit Working: Parts List: Component Quantity Resistors 1k ohm, 100k 1/4 […]

Filed Under: Timer Circuits

555 Timer Monostable Multivibrator Circuit

Last updated on 19 November 2025 by Admin-Lavi Leave a Comment

This article explain simple 555 Timer Monostable Multivibrator Circuit. Circuit create one single pulse when trigger comes. Time period depend on resistor and capacitor. Circuit is easy to build. And this circuit can run from 5V to 12V power supply. Many people use it for delay, timer, reset pulse and for buzzer control. Circuit Working: […]

Filed Under: Timer Circuits

  • « Go to Previous Page
  • Page 1
  • Interim pages omitted …
  • Page 18
  • Page 19
  • Page 20
  • Page 21
  • Page 22
  • Interim pages omitted …
  • Page 154
  • Go to Next Page »

Primary Sidebar




Categories

  • Alarm Circuits (47)
  • Amplifier Circuits (67)
  • Arduino Projects (101)
  • Audio Circuits (117)
  • Automobile Circuits (19)
  • Battery Charger Circuits (67)
  • Free Energy (13)
  • Heater and Temperature Controllers (14)
  • High Voltage (6)
  • Indicator Circuits (48)
  • Inverter Circuits (20)
  • IoT projects (1)
  • LDR Circuits (26)
  • LED and Lamps (158)
  • Meters and Testers (31)
  • Motor Controllers (22)
  • Oscillator Circuits (41)
  • Power Supply Circuits (124)
  • Remote Control Circuits (10)
  • Security and Protection (29)
  • Sensors and Detectors (130)
  • Solar Circuits (30)
  • Timer Circuits (44)
  • Transistor Circuits (102)
  • Transmitter Circuit (17)
  • Tutorials (8)
  • Water Level Controller (7)

Recent Posts

  • 5V High Current Power Supply Circuit using IC 7805
  • 0-20V Regulated Power Supply Circuit using Transistors
  • 6V to 15V Op-Amp Based Power Supply Circuit
  • 38V Linear Power Supply Circuit using Transistors
  • 0-30V Transistor Based Variable Power Supply Circuit

Recent Comments

  1. Noel Cabahug on Ni-MH Battery Charger Circuit with IC LT4060
  2. Admin-Lavi on Simple Hulda Clark Zapper Circuit using IC 555
  3. B on Simple Hulda Clark Zapper Circuit using IC 555
  4. TDHofstetter on DIY Variable Power Supply Circuit using Arduino
  5. feathbuff on Simple Micro Ampere Meter Circuit

Copyright © 2026 | New Circuit Ideas