The HC-SR505 Mini PIR Motion Sensor Module is a compact motion sensor with a 10mm lens diameter, detecting motion up to 3 metres range, giving a digital HIGH/LOW output signal, operating from 4.5V to 20V DC across -15°C to 70°C. The mini pir sensor is the smaller, simplified sibling of the larger HC-SR501 PIR module — where the HC-SR501 offers a 140° angle with 3-7m adjustable range, this hc sr505 mini pir motion sensor trades range and adjustability for a significantly more compact footprint.
The mini pir motion sensor’s key simplification is the absence of onboard sensitivity and delay potentiometers found on the HC-SR501 — this mini pir motion detector hc sr505 operates with fixed detection parameters straight out of the box, with no tuning needed or possible. This makes setup faster for projects with simple motion-detection needs, but means the detection range and output hold time cannot be adjusted to match specific installation requirements the way the larger module allows.
For mini pir motion sensor arduino projects requiring tunable sensitivity or longer output delay times, the larger HC-SR501 remains the better choice — this mini module suits compact enclosures and space-constrained builds where the smaller footprint matters more than adjustability. Available at StemVolt, This sensor is well-suited for students building compact motion-activated devices and practical electronics projects.
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Features:
- Compact 10mm lens for space-constrained enclosure designs
- Fixed detection parameters — no potentiometer tuning needed
- Up to 3 metre range suits close-proximity motion sensing
- Digital-only output for simple HIGH/LOW Arduino integration
- 4.5V to 20V wide voltage range for flexible power options
Technical specifications:
 Applications:
- HC-SR505 used for Arduino compact motion-activated nightlight build
- College project uses mini pir sensor for space-saving motion demo
- Wearable uses hc sr505 mini pir motion sensor for India presence detection
- Small enclosure uses mini pir motion sensor for compact security build
- DIY gadget uses mini pir motion detector hc sr505 for desk-level sensing
Package includes:
- 1 x HC-SR505 Mini PIR Motion Sensor Module
Advait Rao –
Same day dispatch
Mishka Sen –
Amazing motion detection in a compact size, making it ideal for final year projects, security systems, and arduino automation applications
Raghav Hegde –
Genuine quality product
Kiara Sharma –
Received this HC-SR505 mini PIR sensor quickly, motion detection was accurate and responsive, making it perfect for my final year automation project.
Tanya Grover –
Bought for a compact security project, the sensor worked flawlessly with Arduino and arrived safely thanks to excellent damage proof packaging.
Devendra Patel –
Damage proof packing and COD availability ensured a convenient buying experience, while whatsapp support helped with project integration and sensor setup queries