HC-SR501 PIR Human Motion Sensor
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Model information
- Source
- Printables
- Category
- Electronics
- License
- Creative Commons — Public Domain
This enclosure is engineered for a precision fit around the standard HC-SR501 sensor module.
Design & Material: The case features a minimalist cubic design, likely printed in PLA or PETG. The bright yellow color makes it highly visible for industrial or experimental setups.
Aperture: A circular cutout on the face allows the translucent Fresnel lens to remain unobstructed, ensuring a full $120^\circ$ detection angle for infrared heat signatures.
Features:
Side Port: Includes a rectangular cutout on the side for easy access to the sensor's sensitivity and time-delay adjustment potentiometers.
Mounting Tab: A built-in eyelet/tab at the base allows for easy screw-mounting to walls, ceilings, or chassis frames.
Cable Management: Rear exits provide a clean path for the VCC, GND, and OUT jumper wires.
Application: Ideal for securing sensors in motion-activated lighting, security systems, or energy-saving projects where loose wiring needs protection from dust and physical impact.