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For optimal accuracy
High-Performance Autonomous UAVs: Delivers regulated power to flight controllers
stepper motors
you can manually solder a resistor in series with the fan power line to reduce voltage and lower RPM
HCSR501 PIR Motion Sensor For optimal accuracyHC SR501 PIR Motion Sensor Module Detect human movement reliably with the HC SR501 Passive Infrared (PIR) Motion Sensor the industry standard module for security systems, automated lighting, and IoT projects. Available at The Engineer Store, Bengaluru, with fast shipping and full technical support. Specifications Sensor Type Passive Infrared (PIR) Pyroelectric Detection Range Up to 7 meters (adjustable) Detection Angle Less than 120 degrees cone
