Bringing light to my Zendesk notifications with a Raspberry Pi | by Brandon Rice | Zendesk Developer Blog
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True color RGB LED HAT colorful display for Raspberry Pi 1/2/3 Model B B+ A+ @XYGStudy : Electronics
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Raspberry Pi Rgb Led Matrix Module With 74hc595 Chip Support Spi Protocol Led Display Expansion Board For Arduino Stm32 - Demo Board Accessories - AliExpress
![Adafruit RGB Matrix HAT + RTC for Raspberry Pi - Mini Kit : ID 2345 : $24.95 : Adafruit Industries, Unique & fun DIY electronics and kits Adafruit RGB Matrix HAT + RTC for Raspberry Pi - Mini Kit : ID 2345 : $24.95 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/2345-06.jpg)