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• 06:54, 4 September 2025 Visuino talk contribs created page Maxim LED Display Controller SPI MAX7219/MAX7221 (Created page with "Image:TArduinoLEDMax7219.png == Summary == LED display controller module using Maxim Integrated MAX7219/MAX7221 chips over SPI. Supports control of 7-segment displays, dot matrix displays, and custom pixel groups with adjustable intensity. == Description == The MAX7219 and MAX7221 are LED display driver ICs that simplify control of 7-segment numeric displays, bar graphs, or 8×8 dot matrix displays via SPI. This driver provides intensity control, multiple pixel...")