Human Presence Detection Sensor FAQ【SEN0395】

Q1: 

Why is my sensor output always 1? 

A1: 

1. Since the sensitivity of the sensor is very high, please ensure that the sensor is stably fixed when in use, and the sensor will continuously output a high level due to slight jitter when holding it; 

2. Please try to change the sensor measurement range in the code or serial port settings, and ensure that no objects move within the range, and check whether the sensor value returns to normal;

Q2:

What are the precautions when installing the sensor? 

A2: 

The sensor antenna faces the object to be measured, and the beam angle: 100*40°(width and height)

Q3: 

Does the sensor only detect human body? 

A3: 

No, the sensor detects the movement of all objects within range by detecting mmWave radar.

If you have other questions, just feel free to post them in our forum for consultation. We will reply them as soon as possible and improve the product FAQ gradually.