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.
Thanks for the suggestions, some food for thought! What I was getting at though is if the LEDs are arranged in a dice shape as above and you have an input of 011 (3) and want to light up LEDs 3 4 and 5 how would you go about doing this? Given a 3-8 decoder only changes one output to 1 would I have to be cheeky and simply add inverters onto the other two outputs? To make it easier, it ONLY works when this condition is met, any other input and the lights tay off.
It doesnt have to be that complicated (im not at that level yet). All I want is an idea of how to make a circuit that IF, for example, 011 was the input then 3 LEDs would light up out of the possible 7, any other input would mean NO LEDs would turn on - for now I don't think the placement is the most important point, im more interested in how to go about implementing the logic gates.