A
Anonymous
Apr 09, 2026
Rating: 5/5
Perfect for Arduino Projects
Works flawlessly with my Uno. Easy to adjust sensitivity.
Description
Miniature SR602 Small PIR Human Body Infrared Sensor Module, Pyroelectric Probe, Induction Switch Sensor PI
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Operating Voltage | DC 4.5V - 20V |
| Detection Distance | Up to 7 meters |
| Detection Angle | 100 degrees cone |
| Output Signal | 3.3V TTL High/Low |
| Delay Time | Adjustable 5s - 300s |
| Block Time | 2.5 seconds (default) |
| Dimensions | 32mm x 24mm x 18mm |
| Operating Temperature | -20°C to +80°C |
| Static Current | < 50uA |
| Trigger Mode | L (Low) / H (High) selectable |
5 reviews
A
Anonymous
Mar 28, 2026
Rating: 3/5
Range varies with temperature
Noticed detection distance drops in warmer rooms. Otherwise okay.
A
Anonymous
Mar 21, 2026
Rating: 5/5
Reliable Motion Detection
Using this for a DIY security camera trigger. Very responsive.
A
Anonymous
Feb 27, 2026
Rating: 5/5
Great for Automatic Lighting
Connected to a relay module for my porch light. Saves energy.
A
Anonymous
Feb 08, 2026
Rating: 4/5
Good value but instructions vague
Sensor works well once wired correctly. Would like better pinout diagram.
5 FAQ
Q: Does it work with Raspberry Pi?
A: Yes, but ensure logic level shifting if needed.
Q: Is this 5V compatible?
A: Yes, it operates between 4.5V and 20V.
Q: How do I adjust the delay?
A: Use the onboard potentiometer labeled Time.
Q: What is the output current?
A: The output can source/sink limited current, use a transistor for loads.
Q: Can it detect pets?
A: It detects heat motion, so larger pets may trigger it.
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