[Trax] was asked by a friend to build a device that could detect the presence of a car in front of his garage gate for it to open automatically. After searching the web for such a project and trying ...
CLEVELAND -- EMX Industries Inc., a manufacturer of sensors for automation and gate/door control, announced the MVP D-TEK, the first vehicle loop detector that is compatible with 9VDC to 220VAC power ...
CMOS devices have large input impedance with input currents on the order of 0.01nA. Adding feedback circuitry can result in a latch-like device that can be used to store bits, and also operate in a ...
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