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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.
What if you setup a way that it has 7 Leds and and the last wire is ground and have a pic with at lest 7 i/o or a 4 pin pic and a shift register and shift a 1 in all the line so it flashes down the list and on the other end make sure you set it up with a correct wire so the leds flash correctly. Ill make a schematic to better explain
This should work for a Cross-Over Cable. If connections are correct Led 1 and 8 is the VCC and GND if connect correctly should light both and if all else is correct it should scroll down the line of leds. 1 after the other if not correct it will skip leds.
Here ya go: EDIT CHANGED A BIT...
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