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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.

Recent content by Carl Kremer

  1. Carl Kremer

    Production line hole detector.

    Thank you so much all your insight. First I might have painted a bad picture of our hole detector. It detects holes and serves it purpose. But I want to improve the system to be close to fool proof and without false alarms. The ideas about using light / improving on the system we have are good...
  2. Carl Kremer

    Production line hole detector.

    Hello. First I am a noob to electronics but can solder and short a circuit. Outline of problem. I work for a company that makes plastic drainage membranes. These have to be guaranteed watertight. Our production machine is 2.20 meters wide. Producing 2 meter wide rolls of membrane. These...
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