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Sorry! Grab'eM Black Magnetic Sensor 003 Module is sold out.

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Grab'eM Black Magnetic Sensor 003 Module

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  • Age group:12 Years & Above
  • Colour:Black
  • Key Feature 1:Hall Effect Magnetic
  • Type:Science & Activity Kits
  • SUPC: SDL876128730


The hall effect magnetic and proximity sensor module can be used to detect the presence (or absence!) of nearby objects such as magnets.If no magnetic field is present, the signal line of the sensor is high (3.5 v). If a magnetic field is presented to the sensor, the signal line goes low, at the same time the led on the sensor lights up. The polarity of the magnetic field is of influence to the switching action. The front side of the sensor needs the opposite polarity as the back of the sensor to switch on. • having a signal output instruction• with mounting holes for easy fixed installation• the output valid signal is low• the sensitivity is adjustable (fine-tuning)• high sensitivity magnetic sensors• the output switch circuit board can be directly connected to the micro controller Io port• can be used for motor speed, position detection and other occasions

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