A
Anonymous
Mar 09, 2026
Rating: 5/5
Automatic light solution
Used this for a closet light. Works every time.
Description
High sensitivity, compact size, easy installation, and durable.
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Operating Voltage | DC 4.5V - 20V |
| Static Current | < 50uA |
| Detection Distance | 3 - 7 meters |
| Detection Angle | 110 degree cone |
| Output Signal | 3.3V TTL High/Low |
| Trigger Mode | L (Low) / H (High) Jumper Selectable |
| Delay Time | 5s - 300s (Adjustable) |
| Block Time | 2.5s (Default) |
| PCB Size | 32mm x 24mm |
| Operating Temp | -15 to +70 Celsius |
5 reviews
A
Anonymous
Feb 26, 2026
Rating: 5/5
Great for Arduino
Works perfectly with my Uno board. Easy to calibrate.
A
Anonymous
Jan 31, 2026
Rating: 5/5
Standard module
This is the standard HC-SR501. Reliable and cheap.
A
Anonymous
Jan 21, 2026
Rating: 3/5
Potentiometers are tight
Sensor works but the adjustment knobs are very stiff.
A
Anonymous
Jan 21, 2026
Rating: 4/5
Good sensitivity
Detects motion well but range varies with temperature.
5 FAQ
Q: Is this compatible with Raspberry Pi?
A: Yes, it works with Raspberry Pi GPIO pins.
Q: What is the power consumption?
A: Standby current is less than 50uA.
Q: Can I use this outdoors?
A: The module itself is not waterproof. Use an enclosure.
Q: Does it come with headers?
A: Usually sold without headers, please check packaging.
Q: Can it detect motion through glass?
A: No, PIR sensors cannot detect infrared through glass.
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