ELEGOO 3mm & 5mm Clear & Diffused LED Kit, RGB, UV, Fast Flashing, 350pcs

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• 350 PIECES ACROSS TWO SIZES AND SPECIAL EFFECTS - Stock 30 each of 3mm and 5mm white, red, blue, yellow and green LEDs, plus 10 UV, 10 RGB common-anode, 10 RGB common-cathode, 10 fast-flashing RGB and 10 slow-flashing RGB LEDs in a divided organizer
• CLEAR AND DIFFUSED OPTIONS FOR DIFFERENT LOOKS - Use narrow, bright indicators for control panels or softer light for models, cosplay, school experiments, 3D-printed props and breadboard projects, with both 3mm and 5mm sizes ready for compact or more visible designs
• EXPLORE UV, RGB AND SELF-FLASHING CIRCUITS - Compare common-anode and common-cathode RGB wiring, create color-mixing lessons or add automatic fast and slow effects without coding every blink; these are conventional through-hole LEDs, not addressable WS2812 or RGB strip pixels
• PROTECT EVERY LED WITH THE CORRECT RESISTOR - Check polarity, forward voltage and desired current before power is applied, calculate a series resistor for the supply voltage and never connect a bare LED directly to a battery, power rail or controller output without current limiting
• BARE COMPONENTS FOR LEARNING, PROTOTYPING AND REPAIR - Test each diode before permanent soldering, keep the compartments labeled and verify RGB pin order when leads have been trimmed; resistors, wires, breadboards, controller boards, soldering tools and power supplies are not included