Pico Compatible Display SEENGREAT 4 X Digit 8 Segment Display Module For Raspberry Pi 4 Digit LED Module Please feel free to contact us via Amazon message if you have any problem. It includes 4 red digits, each with 7-segments for the character and an 8th decimal segment. The module uses SPI meaning it won't hog all of your Pico GPIO pins, which is great if you want to use it alongside other Raspberry Pi Pico HATs using a HAT expander Adopting 74HC595 driver chip. Raspberry Pi Compute Module 4 IO Board : Industries, Unique & fun DIY electronics and kits Providing demo codes of C and Python based on Raspberry Pi Pico On-board Raspberry Pi Pico socket connector, users can directly insert the Raspberry Pi Pico series boards 7-segment Display Modules and the Raspberry Pi - Raspberry Pi Spy We provide C and python demo codes based on Raspberry Pi Pico. Digital tube specification: 8 segments 4 digit red Digital tube polarity: common cathode., Control chip: 74HC595., Signal interface: compatible with SPI Supply voltage: 5 V., Package contents: 1., PICO-8SEG-4B-LED x1 Note: The Raspberry Pi Pico and interface line in photos are NOT included. Product parameters: Size: 51mm(length)*21mm(width) Digital tube size: 0., 4 inch.