With this RGB LED Array Display you can use your creativity to create different applications such as games, visual effects, etc.

Make a small Video Display with this Bicolor 8x8 LED Matrix. At just 1.2" on a side, it's pretty visible, but not enough to not plug into a breadboard! Each grid has two LEDs inside so it can display red, green, yellow, or multiplexed. This Matrix is bright, Beautiful and modern with beautiful diffused square lens for a stunning look. There are 24 pins on the side, 12 on each, with 0.1" spacing so you can easily connect it to a breadboard with a line on each side for wiring above.

Basic LCD 16x2 red letters and black background 3.3V

Adafruit Small 1.2 8x8 LED Matrix w/I2C Backpack - Yellow-Green

LED Charlieplexed Matrix - 9x16 LEDs - Vermelho

128x64 Lcd With Blue Background.

This 4-digit 7-segment shield has 5 buttons that can be used as menu selection buttons or control buttons, using I2C to conduct the digital call.

This LED Matrix 24 × 8 display is specially designed for the FireBeetle series. It supports low power mode and scroll display. With HT1632C high-performance LED driver chip , each led has an independent register, which facilitates separate driving. Integrates a 256KHz RC clock, only 5uA in low power mode, supports 16-scale PWM brightness adjustment. This product also works with another Arduino microcontroller like Arduino UNO (same as DFRduino UNO).

Digital Voltmeter 12Vdc LED Panel with Capacity, from ProK.