HC-SR501 PIR Module

PIR motion sensor with high/low TTL 3.3V output signal.
Sensitivity (up to 7m) and output duration (20s - 5min approx.) adjustable.
5V - 20V DC supply.
Supplied with a fresnel lens.
Can be fitted with a LDR to provide inhibit in light function for security light switching.
  • Model: M034
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£1.82

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For more information, check this product's datasheet..