5 X Hc-sr501 Human Sensor Module Pyroelectric Infrared

US $12.99

  • Thomson, Georgia, United States
  • Jan 30th
5 X SR501 Human Sensors     TTL output goes high when it detects people, output is low when it is     not detecting. When a person enters the protected area the     sensor output is high. When a person leaves the protected area, after the     adjustable delay, the sensor output goes low.

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