I have a large (~90) LED matrix I am whipping up. However, rather than being the traditional easy square shape, its in an odd heart shape.
The reason this is a problem, if I just use horizontal rows and vertical columns, I "waste" a lot of pins on rows/columns with only a few LEDs (like at the tip of the heart), and dont have enough pins on my current equpiment to address them all.
So the question is, how do you go about combining the LEDs such that you maintain ~10 per pin, without overlapping any rows or columns (my first attempt was simply to combine the smaller rows together, which cause them to intersect with multiple columns at a time).
I feel like this is a linear algebra problem, though I took that class 10 years ago (and failed it)…