Door Open Alarm Circuit Diagram
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Magnetic Door Alarm Circuit using 3144 Hall Effect Sensor
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![Door Opening Alarm / Alert Circuit](https://i2.wp.com/www.electroschematics.com/wp-content/uploads/2014/08/door-opening-alarm.jpg)
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![Door opening alarm circuit diagram](https://i2.wp.com/mechatrofice.com/wp-content/uploads/2017/12/door-opening-alarm-using-reed-switch.png)
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![Door Opening Alarm using Hall Sensor | Detailed Project Available](https://i2.wp.com/electronicsforu.com/wp-contents/uploads/2016/04/827_C2D_Fig_1.jpg)
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![How to Build a Door Alarm Circuit](https://i2.wp.com/www.learningaboutelectronics.com/images/Door-alarm-circuit.png)
![Window/Door Alarm Circuit](https://i2.wp.com/www.electroschematics.com/wp-content/uploads/2010/11/door-ajar-alarm.gif)
![Door Open Alarm Circuit using Reed switch](https://i2.wp.com/theorycircuit.com/wp-content/uploads/2017/03/door-open-alarm-circuit.png)
![DOOR_OPEN_ALARM - Alarm_Control - Control_Circuit - Circuit Diagram](https://i2.wp.com/www.seekic.com/uploadfile/ic-circuit/20097104613543.gif)
![Door opening alarm circuit diagram](https://i2.wp.com/mechatrofice.com/wp-content/uploads/2017/12/automatic-door-opening-alarm-installation.jpg)
![Magnetic Door Alarm Circuit using 3144 Hall Effect Sensor](https://i2.wp.com/circuits-diy.com/wp-content/uploads/2020/01/magnetic-door-alarm-circuit-3144-hall-effect-sensor.png)
![circuit analysis - Adding a delay to a door alarm? - Electrical](https://i2.wp.com/i.stack.imgur.com/QC23X.png)
![Door Security Alarm Circuit](https://4.bp.blogspot.com/-D5Sw5cEZ_1o/V_CdMI-t1_I/AAAAAAAAOx4/9z3mmZBheAMAXHD-_5C8-XgPMSHEXOPBQCLcB/s1600/door%2Balarm.png)