Adafruit-LED-Sequins-for-Wearables-Pack-of-5-Adafruit-1755-P-The-Adafruit-Wearable-Ruby-Red-LED-Sequins-can-hook-to-your-Gemma-or-Flora-board-to-show-off-your-coding-&-your-design-skills-at-the-same-time-Use-PWM-to-make-them-fade-or-sparkle-for-your-next-wearable-or-cosplay-project-They-consist-of-a-1206-size-LED-with-a-100-Ohm-limiting-resistor-&-only-draw-5m A-at-3-3V-letting-you-stack-4-or-5-of-them-on-a-single-GPIO-pin-You-don-t-strictly-need-an-MCU-either-simply-power-them-from