Alarm | Electronic Schematic Diagram

Category: Alarm

This is the collection of alarm schematic diagrams at circuitdiagram.net. The alarm provides a warning tone when an event takes place, for example: thefts, fires, and other events that are not normal. Alarms have the capability of causing a fight-or-flight response in humans; a person under this mindset will panic and either flee the perceived danger or attempt to eliminate it, often ignoring rational thought in either case. A person in such a state can be characterised as “alarmed”.

Car Anti-Theft Protection with Buzzer

This is the circuit diagram of car anti-theft to protect and increase the security of your car, prevent your from stealing. This circuit is very […]

Simple Mat Alarm Switch

This easy to built circuit produces a warning beep when somebody crosses a secure area in your home or place of work. The transfer, hidden […]

Light Fence with LDR

This is the light fence schematic diagram uses LDR as the light sensing. The fundamental issue with the greater part of standard light sensors is […]

water level indicator circuit electronic

Water Level Indicator using 7 Segment LED

Here the water-level indicator which use a 7-segment display, to show the water level (low, half and full) in the tank. Moreover, a buzzer is […]

Notebook Anti Theft Protector

Here the notebook anti theft protector circuit to secure your important netbook / notebook from stealing. Basically, this is a mini security alarm generator. Fixed […]

Musical Bell with Touch Switch

Here the circuit diagram of musical bell with touch switch and timer. This circuit is designed around CMOS IC CD4011 which work as the delay […]

Power Supply Failure Alarm

This is the ‘special’ circuit design of power supply failure alarm. The vast majority of the power supply failure alarm / indicator circuits require a […]

Shutter Guard

This is the shutter guard circuit which has sensitive vibration sensor, piezo-sensor. This circuit is specifically designed for outlets to defend towards theft. It can […]