Hello, I am new to this forum and programming with the arduino, so forgive me. I am eventually going to make an 8x8 led matrix, but I am currently prototyping on a breadboard with a 4x5 matrix. I am using the MAX7219 chip and the LEDCONTROL library. So, I have constructed the circuit below, and the…

4 column, 5 row LED MATRIX with MAX7219

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