The IPOS expansion card for the MOVITRAC(reg) 31C frequency inverter gives the inverter the ability to control point-to-point motor positioning without the use of a high-level controller such as a PLC or motion controller. The IPOS card's built-in PLC-type logic gives the MOVITRAC 31C capabilities that include math functions, timer and activation of outputs, and the motion control and logic functions of a single-axis motion controller.
A make-your-own Star Wars Sith Lightsaber hilt is heftier and better-looking than most others out there, according to its maker, Sean Charlesworth. You can 3D print it from free source files, and there's even a hardware kit available -- not free -- so you can build one just in time for Halloween.
Highly regarded engineer and physicist Ransom Stephens speaks with Design News about his extensive science and engineering background, the serious yet funny study of neuroscience, and how one primes their brain for innovation.
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