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LEDs and Lighting Class
Tools + Materials
Meet Your Saw
Table Saw Class
Raspberry Pi Beer Fridge of Awesomeness
Tools and Materials for Arduino
Welcome to Arduino
a relay is pretty much the same thing as a light switch. you use it as a contact closure to complete the power circuit to the light (be it bulb or LED strip)
EASY Solar Charging Power Bank
3W 4'x4' Arduino Laser Cutter/Engraver
Ultimate Night Vision Headlamp - 500+ lumens with only 8 watts
Decorate Your Wedding with Wood 8 in 1 Instructable
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