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

Anonymous

Mar 09, 2026

Rating: 5/5

Automatic light solution

Used this for a closet light. Works every time.

Anonymous

Feb 26, 2026

Rating: 5/5

Great for Arduino

Works perfectly with my Uno board. Easy to calibrate.

Anonymous

Jan 31, 2026

Rating: 5/5

Standard module

This is the standard HC-SR501. Reliable and cheap.

Anonymous

Jan 21, 2026

Rating: 3/5

Potentiometers are tight

Sensor works but the adjustment knobs are very stiff.

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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