Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Operating Frequency | 24GHz ISM Band |
| Max Detection Range | 5 Meters |
| Communication Interface | UART TTL |
| Supply Voltage | 5V DC |
| Working Current | 45mA (Typical) |
| Detection Angle | 120 Degrees |
| Output Protocol | Custom UART |
| Module Dimensions | 25 x 25 x 4 mm |
| Operating Temperature | -20°C to 60°C |
| Mounting Type | PCB Soldering |
Anonymous
Apr 12, 2026
Rating: 4/5
Good sensor, tricky setup
Hardware works well. Documentation for the protocol could be more detailed for beginners.
Anonymous
Apr 04, 2026
Rating: 3/5
Range is limited
Works as described but 5 meters is optimistic in cluttered rooms. Good for small spaces.
Anonymous
Feb 12, 2026
Rating: 5/5
Better than PIR
Finally a sensor that detects presence without large movements. Very reliable.
Anonymous
Jan 30, 2026
Rating: 5/5
Genuine product
Checked the chip markings. Works exactly like the official specs. Fast shipping.
Anonymous
Jan 21, 2026
Rating: 5/5
Perfect for ESPHome
Integrated this into my smart lighting system. The micro-motion detection prevents lights from turning off while I'm reading.
Q: Is firmware updateable?
A: Yes, via the UART interface using the official configuration tool.
Q: Is this compatible with Arduino?
A: Yes, it communicates via UART so it works with Arduino, ESP32, and ESP8266.
Q: Does it require external antenna?
A: No, this module has a built-in PCB antenna ready for use.
Q: What logic level is the UART?
A: The UART TX pin is 3.3V logic level. Ensure your MCU is compatible.
Q: Can it detect motion through glass?
A: Yes, mmWave signals can penetrate non-metallic materials like glass and thin wood.
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