Introducing a new serial (SPI) 8-digit seven segment LED display module using MAX7219 | Embedded Lab
Circuit diagram The SPI7SEGDISP8.56 display module is based on MAXIM’s MAX7219 display driver chip that provides a 3-wire serial (SPI) interface to drive 7-segment LED displays (common-cathode type) up to 8 digits. Included on-chip are a BCD decoder ......