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Hall (Holzer) Magnetic Switch Module (2 Pcs)

by Velleman

The device includes an on-chip Hall 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.


  • on-chip Hall voltage generator for magnetic sensing
  • on-board amplifier
  • on-board Schmitt trigger
  • open collector output


  • 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
  • dimensions: 25 x 15 mm
  • weight: 2 g
  • User manual