If you’re looking Go-Kart with a twist, this really fun build found on Gizmodo might be what you’re looking for.
It took about three weeks and over 7,000 pieces to build this go-kart, which is mostly assembled from Lego Technic pieces including 32 tiny electric motors (eight in every wheel) that propel it to a top speed of almost two-and-a-half miles per hour—depending on the weight of the rider who needs to be under 150 pounds. You’re not going to be winning any races on this thing, but there’s a chance you’ll still be rolling faster than the slowly crawling traffic you usually have to deal with on the way to work.
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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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