Attributes

Brand	-
Category	Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin	-
Operating Voltage	DC 3.3V - 5V
Detection Distance	Up to 7 meters
Detection Angle	110 degrees cone
Output Signal	Digital High/Low (3.3V TTL)
Trigger Mode	L (Low) / H (High) selectable
Delay Time	Adjustable 5s - 200s
Block Time	2.5 seconds (default)
PCB Size	32mm x 24mm
Operating Temperature	-20°C to +80°C
Current Consumption	< 50uA (standby)

5 reviews

Anonymous

Mar 28, 2026

Rating: 5/5

Perfect for Arduino Security Project

Works flawlessly with my Uno. Sensitivity is adjustable which is a nice touch.

Anonymous

Mar 16, 2026

Rating: 4/5

Good value but needs tuning

The sensor works well once you adjust the potentiometers. Initial range was a bit off.

Anonymous

Mar 03, 2026

Rating: 5/5

Compact and Reliable

Small footprint makes it easy to hide in enclosures. Detection is instant.

Anonymous

Feb 26, 2026

Rating: 5/5

Exactly as described

SR602 is a classic for a reason. This module is ready to use.

Anonymous

Jan 21, 2026

Rating: 3/5

Decent for the price

Works okay indoors. Struggles a bit with glass obstacles.

5 FAQ

Q: Does it work with Raspberry Pi GPIO?

A: Yes, the 3.3V TTL output is compatible with Pi GPIO pins.

Q: Can I connect this directly to 5V?

A: Yes, it operates between 3.3V and 5V.

Q: Can it detect small pets?

A: It detects heat movement. Small pets might trigger it if close enough.

Q: Is this suitable for outdoor use?

A: It is not waterproof. You need an enclosure for outdoor use.

Q: What is the maximum detection range?

A: Under ideal conditions, up to 7 meters, but walls reduce this.

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