There are drawbots, and then there are drawbots. Tim Noble created this “semi-automatic” chalkboard drawbot, built around laser-cut plywood, 3-D printed drive gears, MakerBot electronics, and a lovely old oak blackboard frame. I’ll readily admit that this thing fills me with awe and terror at the same time. I’m not sure why. The idea of an automatic blackboard seems kind of ancient and sinister, and this one is exceedingly well done.
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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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What this thing needs is a second end-effector in the shape of an anthropomorphic hand with long, sharp fingernails that can be dragged across the surface now and then!