A
Anonymous
Apr 11, 2026
Rating: 5/5
Perfect for Arduino projects
Easy to wire up, 3.3V compatible makes it great for ESP8266 projects.
Description
Tmall 14-Year Store Risym Weixin - High-Quality Best Seller
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Operating Voltage | 3.3V - 5V DC |
| Detection Range | 5 - 7 Meters |
| Operating Frequency | 3.181 GHz + 200MHz |
| Output Signal | 3.3V TTL Level |
| Operating Temperature | -20°C to +80°C |
| PCB Dimensions | 36mm x 17mm |
| Static Current | Approx 2.8mA |
| Trigger Mode | Continuous Trigger |
| Output Delay | Approx 2 Seconds |
| Mounting Type | Through Hole Pin Header |
5 reviews
A
Anonymous
Apr 03, 2026
Rating: 5/5
Compact and efficient
Small footprint on the breadboard and low power consumption for battery projects.
A
Anonymous
Jan 31, 2026
Rating: 4/5
Good but sensitive
Very sensitive, needed to adjust placement to avoid false triggers from fans.
A
Anonymous
Jan 23, 2026
Rating: 5/5
Reliable detection
Used it for automatic lighting control, works flawlessly even in daylight.
A
Anonymous
Jan 20, 2026
Rating: 5/5
Works better than PIR
Great sensitivity, detects through thin plastic covers which my old PIR sensor could not do.
5 FAQ
Q: Is it compatible with ESP32?
A: Yes, it operates at 3.3V logic levels which are compatible with ESP32.
Q: What is the maximum voltage input?
A: Please do not exceed 5V DC to avoid damaging the module.
Q: Can this detect motion through wood?
A: Yes, microwave signals can penetrate non-metallic materials like wood and plastic.
Q: Does it work in complete darkness?
A: Yes, it does not rely on light or heat like PIR sensors, so it works in total darkness.
Q: Can I adjust the sensitivity?
A: The standard version has fixed sensitivity, but some variants include a potentiometer.
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