Shift Register
Arduino

74HC595 Complete Guide (2026): Wiring and Arduino Code

A thorough guide to using the 74HC595 with Arduino. Expand your GPIO without limit using just three signal lines — from shiftOut() to hardware SPI, with schematics, KiCad design files, and sample code. Fully compatible with the Arduino UNO R4.

作成: 2026-02-11 ・ 更新: 2026-10-20