vold Bageri lukker i2c controlled rgb led Op Ændringer fra Snazzy
For Gravity I2c 8x16 Rgb Led Dot Matrix Face Plate Led 8*16 Display Panel 7 Colour Match For Arduino Controller I2c/uar Cable - Industrial Computer & Accessories - AliExpress
RGB 8x8 64 LED Matrix Panel Compatible with Arduino Individually Addre
Adafruit NeoDriver - I2C to NeoPixel Driver Board - Stemma QT : ID 5766 : $7.50 : Adafruit Industries, Unique & fun DIY electronics and kits
SC620 | Current Sink LED Driver for 8 BL + I2C Interface | Semtech