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Biaxial Steadicam

At first, I make a uniaxial one:motion sensor installed on the base, and the servo arm supporting the upper platform.  …

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I assembled a set of lego street house in last weekend. The workload was huge. I post photos here, by…

STEM to STEAM: A Rising Trend

An emphasis on STEM (Science, Technology, Engineering, Mathematics) education and play has been long-established as an essential tool for raising…