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LEDs and Lighting Class
I'm taking a free class (how to use a breadboard) but none of the instructions seem to work, i.e. mouse over this and it changes (doesn't), click the components+ button (can't find it), etc.
Laser Cutting Class
Raspberry Pi Class
How to Use a Breadboard to Light LEDs
Powerful burning Laser
Start Raspberry pi without screen/Monitor
DIY ALTOIDS SMALLS JOULE THIEF FLASHLIGHT