T&L Publications

Greybie, you have it exactly!

Thanks for the reply. The metal will be about 1" x 4" and will pass over the sensors. The leds which were immediately below the metal and have lit up should then remain lit until the system is reset manually. The idea is to show the track of the object to identify how closely it followed a...

Hi. I am what can only be described as a complete novice when it comes to electronic design. However, I am looking for guidance for an idea I have. I want to have a series of LEDs come on when a metal object passes over them. There would be a series of rows of maybe 10 LEDs in each row. The LEDs mus...