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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.
hello i just writing this tofind out how to use ultra sonics. how doi put them in to a circuit. how do they work aswell does anyone know. do they work just like a switch.
They are speakers that emit ultrasonic soundwaves..
They can be used as a simple switch if one is emitting a constant wave and the other is recieving.. If the reflected sound is intense enough (depending on your comparator) then it will switch at a given distance.
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