Tech Apr 29, 2026 10 min Why 74HC595 Seven-Segment Displays Flicker and How QUAD7SHIFT Handles the Latch Boundary Flicker and ghosting on 74HC595-based seven-segment displays often come from latch boundary placement rather than power issues. A look at how QUAD7SHIFT's 16-bit atomic update avoids the problem. Hardware Open Source Arduino Microcontroller Electronics