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Thanks for all the feedback / advice. I need to order some components and I'll get on with testing the code, and let you know how I get on Razz

I mainly need to get more confident with C, so I'm ...

I've realised I can do it using a multi-dimensional array.

I can place all the 'fonts' in a separate fonts.h file and then the for loop in main can search through and grab the right one. I presume ...

I didn't include anything in the schematic but the basic pin connections. In reality you'd have series resistors to set the current and use transistors as switches with the emitters connected to suppl ...

Thanks for the reply,

Yeah I know the final thing will be much more complicated than what I have so far, I'm just not sure how to get to that point yet.

really basic schematic of just the port b ...

Just wondering if anybody has any advice with regard to controlling an LED matrix via a PIC16F877A or similar device.

I'm still in the learning stages with C and am trying to write a program that w ...