5x7 LED matrix - Electronic Circuits Projects Diagrams Free

monkeytree · 14th April 2006, 10:21 AM

i am probaly missing something here but from my understanding of the way a 5x7 LED matrix is wired you cannot for example turn on 1:1 , 1:3 and 2:1 without also turning on 2:3 but this does not seem right can anyone help plz?

**Nigel Goodwin** · 14th April 2006, 10:24 AM

Quote:

Originally Posted by monkeytree

i am probaly missing something here but from my understanding of the way a 5x7 LED matrix is wired you cannot for example turn on 1:1 , 1:3 and 2:1 without also turning on 2:3 but this does not seem right can anyone help plz?

It's called multiplexing, you can select individual LED's by selecting a specific row and column.

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14th April 2006, 10:21 AM	(permalink)
monkeytree	5x7 LED matrix i am probaly missing something here but from my understanding of the way a 5x7 LED matrix is wired you cannot for example turn on 1:1 , 1:3 and 2:1 without also turning on 2:3 but this does not seem right can anyone help plz? __________________ \"i can cos it doesn\'t say i can\'t\"