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.
Some questions about an ultrasonic transducer that I have:
I have two RC40K4 devices. They appear to be ultrasonic sensors, but the RC40K5 code does not appear on the web. Each also has a marking "2N1" on it. Each is composed of a round aluminum can approx 1 inch in dia, and 3/8 inches deep...
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