A
Anonymous
Mar 24, 2026
Rating: 4/5
Good for Learning
Easy to interface with Arduino. Wish the datasheet had more pinout diagrams included.
Description
Microwave induction module featuring Doppler sensor technology and intelligent radar switching
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Input Voltage | DC 3.3V - 5V |
| Detection Range | 0 - 5 Meters |
| Output Signal | TTL Digital Output |
| Radar Frequency | 24.125 GHz |
| Static Current | Less than 3mA |
| Board Dimensions | 20mm x 15mm x 2mm |
| Operating Temperature | -20°C to +80°C |
| Sensitivity | Adjustable via Potentiometer |
| Hold Time | Adjustable 0.3s to 10s |
| Connection Interface | 3-Pin Header (VCC, GND, OUT) |
5 reviews
A
Anonymous
Mar 24, 2026
Rating: 5/5
Compact and Powerful
Amazing how small this is. Fits perfectly inside my junction box without issues.
A
Anonymous
Mar 09, 2026
Rating: 5/5
Excellent Sensitivity
This radar module is far superior to standard PIR sensors. It detects subtle movements reliably.
A
Anonymous
Feb 10, 2026
Rating: 5/5
Reliable Detection
I have tested this through thin wood and it still works. Great for hidden installations.
A
Anonymous
Jan 21, 2026
Rating: 4/5
Great Value
Works well for my smart light project. Had to adjust the delay pot a few times to get it right.
5 FAQ
Q: Is this suitable for 12V systems?
A: No, please use a voltage regulator. The max input is 5V.
Q: Does it consume a lot of power?
A: No, the static current is under 3mA, making it suitable for battery projects.
Q: Can I adjust the detection range?
A: Yes, there is a potentiometer on the board to adjust sensitivity and range.
Q: Can this detect motion through plastic?
A: Yes, microwave radar can penetrate non-metallic materials like plastic and wood.
Q: What logic level is the output?
A: The output is 3.3V TTL compatible. It goes High when motion is detected.
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