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Paul Gould’s prosthetic elbow joint design is a compact and impressive piece of engineering, whether intended for use in a real prosthetic or as part of a robotics project. The heart of the design is a cycloidal gearbox, driven by a brushless motor, which gives it its small size while […]
Micah took on the challenge of automating the Etch-a-Sketch drawing process after realizing he lacked the manual dexterity to create intricate drawings on the classic toy. His solution involved retrofitting the Etch-a-Sketch with a pair of stepper motors controlled by a Raspberry Pi. To accomplish this, Micah designed and 3D-printed […]