Matrix & Sprite Arduino Libraries, for a many-LED display!
1pcs Tm1637 4 Bits Digital Led Display Module For Arduino 7 Segment 0.36inch Clock Red Anode Tube Four Serial Driver Board Pack - Led Displays - AliExpress
File:DIY Arduino LED screen for audio spectrum analyzer 2.jpg - Wikimedia Commons
LED Displays with Arduino - 7-Segment & Dot-Matrix - YouTube
Control an 8x8 matrix of LEDs. | Arduino Documentation | Arduino Documentation
Top 5 Arduino Displays - YouTube
20 x 4 Serial IC2 LCD Display for Arduino
Overview | 32x16 and 32x32 RGB LED Matrix | Adafruit Learning System
LED & Key Display Module for Arduino - KELVIN® Educational
LED Displays with Arduino | DroneBot Workshop
Lcd + LED screens - Hackster.io
Guide for I2C OLED Display with Arduino | Random Nerd Tutorials
16x32 LED Matrix Display Module with Arduino - ICStation.com - YouTube
Overview | 32x16 and 32x32 RGB LED Matrix | Adafruit Learning System