应用笔记 141

Data Multiplexer Adds Cursor To MAX7219 or MAX7221 LED 7 Segment Display Driver


摘要 : The MAX7219 or MAX7221 7-segment LED display driver can highlight any one digit of its 8 digit display by adding a data multiplexer. This circuit intensifies the brightness of the selected digit to provide a cursor function for data entry as well as readout.