• 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 » Alarm Circuits » Page 7

Alarm Circuits

Fire Alarm Circuit

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

Fire Alarm Circuit is very important for every home. This small thing can save life because it tell early when fire is happening. In this article we will learn how to make easy fire alarm circuit by yourself. Good for small place like home, shop or small work area where there is no need of […]

Filed Under: Alarm Circuits

Laser Alarm Circuit for Security

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

This article show how to make a Laser Alarm Circuit for Security which even real spy can use it! It cost less than big expensive alarm from shop. Also it is fun to make by ourselves and is good to protect our things. What is a Laser Alarm Circuit for Security Laser alarm circuit is […]

Filed Under: Alarm Circuits

Simple Rain Detector Alarm Circuit

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

This Simple Rain Detector Alarm Circuit will help from getting our clothes wet from the sudden rain. It show how to make a easy rain detector alarm circuit. This circuit uses sensor to know when it is going to rain and then it make sound to give warning. So we can take umbrella or bring […]

Filed Under: Alarm Circuits, Sensors and Detectors

  • « Go to Previous Page
  • Page 1
  • Interim pages omitted …
  • Page 5
  • Page 6
  • Page 7

Primary Sidebar




Categories

  • Alarm Circuits (39)
  • Amplifier Circuits (67)
  • Arduino Projects (70)
  • Audio Circuits (101)
  • Automobile Circuits (19)
  • Battery Charger Circuits (54)
  • Free Energy (13)
  • Heater and Temperature Controllers (12)
  • High Voltage (1)
  • Indicator Circuits (44)
  • Inverter Circuits (16)
  • LDR Circuits (24)
  • LED and Lamps (134)
  • Meters and Testers (30)
  • Motor Controllers (19)
  • Oscillator Circuits (35)
  • Power Supply Circuits (94)
  • Remote Control Circuits (10)
  • Security and Protection (26)
  • Sensors and Detectors (106)
  • Solar Circuits (23)
  • Timer Circuits (33)
  • Transistor Circuits (68)
  • Transmitter Circuit (16)
  • Tutorials (8)
  • Water Level Controller (4)

Recent Posts

  • Simple PIR Motion Detector Circuit
  • Simple Thermistor Based Fire Alarm Circuit
  • Fire Alarm Circuit using IC LM358
  • Smoke Detector Circuit using IC LM358
  • MQ2 Gas Sensor Circuit with Arduino

Recent Comments

  1. Henrik Arboe Jensen on Adjustable Voltage, Current Power Supply Circuit using Transistor 2N3055
  2. Admin-Lavi on FM Transmitter Circuit (100 meters range)
  3. DEVINDER SINGH on FM Transmitter Circuit (100 meters range)
  4. Admin-Lavi on Constant Voltage, Constant Current Battery Charger Circuit
  5. Bill on Constant Voltage, Constant Current Battery Charger Circuit

Copyright © 2025 | New Circuit Ideas