Optical Lens Pattern Cutter The NH-800AT automatic lens groover is an instrument that automatically grooves the edge of an eyeglass lens.The grooving position for the lens edge center grooving,the outer periphery profile grooving, and the inner periphery profile grooving can be easily set. Installation 1?
Works good for door sensor, model train sensor, microchip, Picaxe, Arduino sensor The contacts are Normally Open, when a magnet is places near the END, there is a closed contact. These have been put near a model train, with the magnet on the train. As it goes by, the controller can sense the location.
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