You may seen videos go viral, with tens of millions of views, that apparently show people creating photovoltaic arrays by wiring coils around grids of old compact discs (or even just adhering aluminum foil strips across them). Hey, they look all shiny metallic and solar-y, so they should be able to generate power, right?
Wrong. As Robert Murray-Smith points out, this is all nonsense, and he describes why. For one, CDs are covered with a layer of lacquer, so all you are doing to winding wires or attaching aluminum strips to plastic.
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Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.
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