Connecting Digital Tubes with Arduino Development Boards
Introduction to Digital Tubes The pins related to data of 74HC595 can be divided into three categories: DS: Serial data input, connected to a certain digital I/O pin of the microcontroller. Q0~Q7: 8-bit parallel data output, can directly control 8 LEDs or the 8 pins of a seven-segment digital tube. Q7′: Cascade output terminal, connected … Read more