Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Operating Frequency | 24GHz ISM Band |
| Detection Range | 0.2m to 8m (Configurable) |
| Input Voltage | 3.3V to 5V DC |
| Communication Protocol | UART TTL |
| Standby Power | Approx. 0.8mW |
| Operating Temperature | -20°C to +60°C |
| Module Size | 24mm x 24mm x 3mm |
| Antenna Type | Integrated PCB Antenna |
| Detection Angle | ±45 Degrees |
| Certifications | CE, FCC, RoHS |
Anonymous
Apr 14, 2026
Rating: 3/5
Needs technical knowledge
The sensor works, but the documentation for the configuration tool was a bit sparse. Expect some learning curve if you are new to radar.
Anonymous
Mar 11, 2026
Rating: 5/5
Reliable Detection
Tested through a thin plastic enclosure. Still detects motion and presence accurately. Much better than infrared solutions.
Anonymous
Feb 01, 2026
Rating: 5/5
Low power indeed
Running on battery power for a project. The sleep mode consumption is incredibly low as specified. Great for IoT.
Anonymous
Feb 01, 2026
Rating: 4/5
Good sensitivity
Works well for my bathroom light switch. Had to tweak the sensitivity settings via UART to avoid false positives from the fan.
Anonymous
Jan 24, 2026
Rating: 5/5
Perfect for Home Automation
Integrated this with my ESPHome setup. Detects presence even when sitting still, unlike PIR sensors. Very happy with the purchase.
Q: Does it require a separate programmer?
A: No, you can configure it via UART using a USB-to-TTL adapter and the provided configuration software.
Q: What is the maximum detection distance?
A: The maximum range is up to 8 meters in an open environment, but this varies based on configuration and obstacles.
Q: Is it compatible with Arduino?
A: Yes, it communicates via UART TTL, so it works with Arduino, ESP32, and ESP8266 boards.
Q: Can it distinguish between humans and pets?
A: It is optimized for human presence detection. Small pets may trigger it depending on sensitivity settings and distance.
Q: Can this detect through a wooden door?
A: It can detect through thin non-metallic materials like thin wood or plastic, but thick walls will block the signal.
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