automatic doorbell system
Automation Cool homemade utility Gadgets / circuit projects ECE engineering projects PIR Proximity sensor/IR obstacle sensor Security Based Automation Sensor based

Automatic doorbell system with auto-detection | 2 circuits

Hello Engineers, Its an automation world. Everything is automated. So why not doorbell? Today, in this tutorial I am going to discuss a circuit that is an automatic doorbell system with auto-detection. This circuit detects automatically if someone is standing at the door and turns the bell circuit on by giving it power. So, let’s […]

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