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and hydrophobic acoustic membranes that maintain performance indefinitely in wet environments
000 ppm (varies by gas) Preheat Time ~20 seconds for stable readings Sensitivity Adjustment Onboard potentiometer for digital threshold tuning Indicator LEDs Power LED + Digital Output trigger LED Interface 4-pin header (VCC
crystal Budget components
Low Power Consumption: Runs for months on a single LR44 button-cell battery
HC-SR505 Mini PIR (Passive Infrared) Motion Sensor SX1278 LoRa Module Ra- 02 433MHZ Wireless Spread Spectrum Transmission and hydrophobic acoustic membranes thatHC SR505 Mini PIR (Passive Infrared) Motion Sensor Detect human motion effortlessly with the HC SR505 Mini PIR Sensor a compact, low power passive infrared module ideal for automatic lighting, security systems, and IoT projects. Available at The Engineer Store, Bengaluru with fast shipping, 7 day warranty on manufacturing defects, and expert support. Specifications Module HC SR505 Mini PIR Motion Sensor Sensor Type Passive Infrared (PIR) Pyroelectric
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