Tpic6c596 Shift Register Large Digit Driver Board 6.5" 7-segment 8-bit Led Display Digital Tube Module Dc 5v For Arduino - Instrument Parts & Accessories - AliExpress
Shift register Matrix display issue - Displays - Arduino Forum
How to Use Shift Registers on the Arduino - Circuit Basics
LED Matrix – Tom Archer
Efficient Method to Control 8*8 LED Matrix using Shift Register IC 74595 and Arduino Mega - YouTube
LED Matrix Using Shift Registers : 7 Steps (with Pictures) - Instructables
Playing with a shift register and some LEDs - Electrical Engineering Stack Exchange
Using a Shift Register to Control a Bunch of LEDs | Onion Omega2 Arduino Dock Starter Kit
Experiment Guide for the Johnny-Five Inventor's Kit - SparkFun Learn