To begin with, IC 555 Timer Based Vibration Alarm Circuit is any easy to make, as it senses vibration and gives sound and light alert. Security systems, factory machines and anti-theft devices use this circuit and also the main component, the 555 timer IC sends a steady signal when the sensor detects vibration. Circuit Working: […]
Alarm Circuits
Easy DIY Timer Alarm Circuit with 555 IC
IC 555 is very popular and useful chip in electronics and it works in different modes with bistable, astable and monostable. Here we used IC 555 in monostable mode to make a Easy DIY Timer Alarm Circuit with 555 IC, also we can set time and after that the buzzer or alarm will ring. In […]
Build Your Own Door Knob Touch Alarm Circuit
Todays time safety is very important, so this Build Your Own Door Knob Touch Alarm Circuit can help protect home and office. Also, this small project is Door Knob Touch Alarm using 555 IC, which can sense when someone touches the door knob. Furthermore, if someone touches then alarm makes loud sound and it scares […]
LPG Gas Leakage Detector Circuit using Arduino
LPG Gas Leakage Detector Circuit using Arduino is important safety tool which can stop accidents, as this project uses Arduino to check LPG gas in air. Also, if gas level goes too high then buzzer make sound and LCD show warning, hence, through this circuit people know danger fast. Arduino Code: Code Explanation: Circuit Working: […]
Fire Alarm Circuit using Thermistor and IC 555
The Fire Alarm Circuit using Thermistor and IC 555 help to find and warn people about fire, as this design uses IC 555 and thermistor to check temperature change and maybe fire. Furthermore, thermistor is special part which feels the temperature change, also circuit is easy to make and thermistor changes resistance with heat and […]
Automobile Brake Failure Indicator Circuit
Automobile Brake Failure Indicator Circuit is backup system, which tell driver if brake system have a problem; as it uses electric parts to check brake and if problem comes then it show light or make sound. Furthermore, this circuit work only in cars with negative grounding and it also give signal if brake switch does […]