RGB LED Matrices with CircuitPython by Jeff Epler published April 20, 2020, last edited January 22, 2025 last major update December 18, 2021 posted in LEDs/ LED Matrices CircuitPython LCDs & Displays/ Graphic LEDs Save New Favorite × Please sign in to include this guide in your list of favorites. You will be redirected back to this guide once you sign in, and can then save this guide as one of your favorites. Download Overview Connecting with Feather M4 Express & FeatherWing Connecting with Feather RP2040 & FeatherWing Connecting Using a Proto Shield Feather M4 Express Feather nRF52840 ItsyBitsy M4 ItsyBitsy nRF52840 Metro M4 Express Feather STM32F405 Metro ESP32S2 Connecting Using a MatrixPortal Prep the MatrixPortal Example: Simple two-line text scroller Example: Two-line colorful text scroller Example: (Ada)Fruit Machine Example: Conway's "Game of Life" Intro to displayio Advanced: Multiple Panels Advanced Example: Big, big flag of Wales Single page Feedback? Corrections? Featured Products view all Your browser does not support the video tag. Adafruit Matrix Portal - CircuitPython Powered Internet Display $24.95 Add to Cart Your browser does not support the video tag. Adafruit RGB Matrix Featherwing Kit Out of Stock Adafruit Feather M4 Express - Featuring ATSAMD51 $22.95 Add to Cart 5V 4A (4000mA) switching power supply - UL Listed $14.95 Add to Cart Medium 16x32 RGB LED matrix panel - 6mm Pitch $24.95 Add to Cart 64x32 RGB LED Matrix - 5mm pitch $49.95 Add to Cart Your browser does not support the video tag. 64x32 RGB LED Matrix - 4mm pitch $39.95 Add to Cart 64x32 RGB LED Matrix - 3mm pitch $44.95 Add to Cart 131 Beginner Skill guide Intro to displayio Page last edited April 22, 2020 Text editor powered by tinymce. Example: Conway's "Game of Life" Advanced: Multiple Panels