Description
Reviews
| 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 | 110 degrees cone |
| Output Signal | 3.3V TTL High/Low |
| Trigger Mode | L (Low) / H (High) selectable |
| Delay Time | 5s to 300s (adjustable) |
| Blockade Time | 2.5s (default) |
| PCB Dimensions | 32mm x 24mm |
| Operating Temperature | -15°C to +70°C |
| Compatibility | Arduino, Raspberry Pi, ESP8266 |
Anonymous
Apr 05, 2026
Rating: 5/5
Reliable Motion Detection
Bought five of these for a hallway lighting project. All arrived in anti-static bags. No dead on arrival units.
Anonymous
Apr 02, 2026
Rating: 3/5
Sensitive to heat sources
Works okay but triggered by my heater initially. Had to move the sensor away. Good for the price though.
Anonymous
Mar 15, 2026
Rating: 5/5
Great value component
Standard HC-SR501 quality. Pins are labeled clearly. Voltage range is wide enough for most battery setups.
Anonymous
Mar 07, 2026
Rating: 5/5
Perfect for Arduino Projects
Works exactly as described. Easy to wire up with my Arduino Uno. The sensitivity pots are useful for tuning.
Anonymous
Feb 07, 2026
Rating: 4/5
Good sensor, slight learning curve
The module works well once you understand the jumper settings. Detection range is accurate. Took me a bit to calibrate the delay.
Q: Can I adjust the detection range?
A: Yes, there is a potentiometer on the board to adjust sensitivity and distance.
Q: Does it detect motion through thin wood?
A: No, PIR sensors detect infrared radiation changes and cannot penetrate solid obstacles like wood.
Q: What is the output current capability?
A: The output is a TTL signal, suitable for microcontroller inputs, not for driving high-power loads directly.
Q: Is there a datasheet available?
A: Yes, please check the product description section for the downloadable PDF manual.
Q: Can this run directly off 5V USB power?
A: Yes, the module operates between 4.5V and 20V, so 5V USB is suitable.
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