Arduino-Compatible Hall Effect Magnetic Switch (2 pack) These devices include an on-chip hall (holzer) voltage generator for magnetic sensing, an amplifier that amplifies the hall voltage, a Schmitt trigger to provide switching hysteresis for noise rejection, and an open-collector output. These are sold as a pack of two. Specifications Voltage: 5 VDC Connection: 3 pins, (middle pin), ground and S (data out) Output (S): Schmitt Trigger, Active Low Activation: 30 Gauss Deactivation: 10 Gauss LED indicator: ON when activated Size: 25 x 15 mm Weight: 2 g
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