Automatic doorbell system with auto-detection | 2 circuits

automatic doorbell system

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 … Read more

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Automatic car parking alarm for Obstacle behind detection

automatic car horn

Hello Engineers. Often while parking a 4wheeler vehicle its some times frustrating and distracting to look back or obstacle handle steering too. All activities like handling the steering, braking, acceleration, and surveilling mirror are all carried out all along. It’s so messy to steer and pressing also prevents obstacles behind while parking or reversing each … Read more

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