It's time to get creative with the Brightdot portable collection featuring LEDs! The entire collection includes a variety of different PCBs with addressable RGB LEDs and a unique Arduino-compatible design to create something bright and portable that is also smart. This set includes a large Brightdot circle. Each board is super thin and features gold-plated contacts with 6 holes measuring 1.22 mm. All models also have backup lines to ensure that a defective LED does not affect the others. Each LED is controlled by 3 wires (power, ground, and data) and can be connected to the next LED through these wires, creating a large array of LEDs. You can solder these LEDs into electrical circuits or use them in clothing, on backpacks, and on shoes.