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Arduino
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7m
Build a Precision Scale With a Load Cell and an HX711
Questions and answers on building a load-cell scale with an HX711: the Wheatstone bridge, calibration with a known mass, how much noise…
Build It
7m
Build a Hall-Effect RPM Tachometer With an Arduino
A build guide for an Arduino tachometer using a Hall switch and a magnet: how the sensor responds, interrupt-based pulse timing, the…