Automatic Door Alarm Project
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Automatic door alarm project. Likewise we can create many useful projects using this like. Automatic water level indicator and controller using arduino. The door opening alarm circuit or front office visitor alert is used for alerting you when a customer is at your office shop. When the door is opened the magnet moves away from the sensor generating a controlling signal to sound the alarm.
When the door is ordinarily closed the alarm is not triggered. Primarily ultrasonic sensor is used to measure distance from any object but here we can see that it can be used as security alarm or door alarm with arduino. Circuit diagram of automatic door bell using object detection. When the door is opened up the alarm goes off alerting us that the door has been opened.
Full code for this door alarm project is given below. Technical hacker 3 034 views. Schematic of the door opening alert circuit. It will produce a beep sound when each new customer or visitor is entering and will automatically switch off after few seconds.
This is a circuit where an alarm will go off if the door that the circuit is connected to is opened. This door open alarm uses an input sensor fixed at the corner of the door frame and a magnet fixed on the door panel close to the sensor.
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