Adafruit MatrixPortal S3 CircuitPython Powered Internet RGB Matrix Display by M. LeBlanc-Williams published July 24, 2023, last edited October 01, 2025 last major update September 07, 2023 posted in LEDs/ LED Matrices Microcontrollers CircuitPython 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. Link Note Download Overview Pinouts Prep the MatrixPortal LED Matrix Diffuser Install CircuitPython What is CircuitPython? CircuitPython Internet Test MatrixPortal Library Overview CircuitPython Pins and Modules PortalBase Library Docs MatrixPortal Library Docs CircuitPython RGB Matrix Library Arduino IDE Setup Using with Arduino IDE Arduino Blink I2C Scan Test WiFi Test Usage with Adafruit IO Arduino Sand Demo Protomatter Library Migrating from MatrixPortal M4 Install UF2 Bootloader Factory Reset USB Power Downloads Single page Feedback? Corrections? Text View Primary Products Your browser does not support the video tag. Adafruit Matrix Portal S3 CircuitPython Powered Internet Display Out of Stock 55 Beginner Product guide 👍 5 MatrixPortal Library Docs Page last edited July 13, 2023 Text editor powered by tinymce. CircuitPython Pins and Modules Arduino IDE Setup