Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
I am a college student doing hobby project, I need to design an IR bream break detector which would work with IR Transmitter and IR Receiver to detect beam break between transmitter and receiver in 1 meter range. Can you please suggest components and circuits for same, preferably requiring 5V...
I have a door of 15 inch width and 25 inch height. I need to sense if there is any object (pets, human etc.,) between the door because the door opens and closes automatically on motion sensing but not stop closing if there is an object in between
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