SparkFun LuMini LED Ring - Inch COMシリーズ

Description
Note：
In larger installations you may need to add a decoupling capacitor between power and ground to prevent voltage dips when turning on a whole bunch of LED's simultaneously. We recommend using a 4.7μF capacitor which we sell in strips of 10.
Get Started With the SparkFun LuMini LED Ring Guide
Features
Optional Capacitor Space
Daisy-Chainable