LEDs continue to dramatically transform signage and lighting. However, often LED displays today are 8×8 and cannot communicate many international alpha-numeric characters. MAXREFDES99# integrates four ...

There’s been a ~3-month flood of “MAX7219” LED matrixx+PCB kits out on eBay that go for ~$5 that are certainly using the same. The price of real MAX7219s though legit channels is a tragedy ...