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KY-021 Mini Magnetic Reed Module for Arduino
KY-021 Mini Magnetic Reed Module for Arduino - Image 2
KY-021 Mini Magnetic Reed Module for Arduino - Image 3
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KY-021 Mini Magnetic Reed Module for Arduino

  • Operating voltage: 3.3V to 5V
  • Output type: Digital
  • Dimensions: 20 x 15 x 7mm
  • Input voltage: 3.3~5v
  • Weight: 1.2g
  • Reed switch: Normally open
  • Reed switch sensitivity: 30 gauss
  • Operating temperature: -20°C to 85°C
  • Storage temperature: -40°C to 125°C

₨ 149 ₨ 281

KY-021 Mini Magnetic Reed Module for Arduino

The KY-021 Mini Magnetic Reed Switch Module consists of a 10k resistor and a small reed switch actuated by a magnetic field, commonly used in mechanical systems as proximity sensors. Compatible with popular electronic platforms like Arduino, Teensy, and ESP8266.

  • Dimensions:20 x 15 x 7mm
  • Input Voltage:3.3~5v
  • Weight:1.2g
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