DotStar Addressable 5050 RGB LED w/ Integrated Driver - 10 Pack [SK9822] : ID 2343 : $4.50 : Adafruit Industries, Unique & fun DIY electronics and kits
APA-102C-24/M - APA-102C DC 5V LED STRIP - APA ELECTRONIC CO., LTD
100pcs/string DC5V APA102C 5050 full color addressable LED pixel light;t;5cm/10cm/15cm/20cm wire spacing;with all black wire|Lighting Strings| - AliExpress