Red 7-segment clock display - 0.56 digit height : ID 865 : $3.95 : Adafruit Industries, Unique & fun DIY electronics and kits

Adafruit White 7-segment clock display - 0.56 digit height [ADA1001] : Electronics

Adafruit 0.56 4-Digit 7-Segment Display w/I2C Backpack - Yellow : ID 879 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits

Adafruit White 7-segment clock display - 0.56 digit height [ADA1001] : Electronics

Key Features: 7-segment LED backpacks without the LEDs End-to-end stackable Fully Assembled and tested HT16K33 I2C LED driver By popular request, you can now get 7-segment LED backpacks without the LEDs! These backpacks feature an HT16K33 I2C LED driver, they're simple and easy to use - get running in under half an hour, with numbers on the 7-segment.

Adafruit 7-Segment LED Matrix Backpack - Stemma Qt / Qwiic ADA877

Catalog Adafruit Electronica

Red 7-segment clock display - 1.2 digit height

Adafruit Learning System

Assembled Adafruit 0.56 4-Digit 7-Segment Display [w/ I2C Backpack STEMMA QT - Red] : ID 5599 : $12.50 : Adafruit Industries, Unique & fun DIY electronics and kits

What's better than a single LED? Lots of LEDs! A fun way to make a small display is to use an 8x8 matrix or a 4-digit 7-segment display. Matrices like

Adafruit 0.56 4-Digit 7-Segment Display w/I2C Backpack - Yellow

Adafruit ADA865 7-Segment Clock Display - 0.56 Digit Height - Red

Green 7-segment clock display - 0.56 digit height : ID 813 : $3.95 : Adafruit Industries, Unique & fun DIY electronics and kits

Adafruit 0.56 4-Digit 7-Segment Display w/I2C Backpack - Blue

Adafruit ADA865 7-Segment Clock Display - 0.56 Digit Height - Red