(Trust us, it’s a fruit.) With some research, he discovered the HT16K33 LED driver, which checked all the boxen. The first version worked, but needed what looks like a couple of bodge wires.
Personal Note: When LEDs appeared initially, one of the problems that we faced was that the LED drivers that came with the lamps would malfunction. I initially designed a small circuit to limit ...
"Our new IS31FL3758 matrix LED driver represents a significant leap forward in LED ... and a built-in de-ghosting circuit to eliminate LED ghosting artifacts in matrix scanning operations. The device ...