The KY-033 Line Tracking module is an infrared sensor that detects whether the surface in front of it is reflective or opaque. Sensitivity to ambient light can be adjusted using the knob to achieve a fairly accurate reading.
The KY-033 Line Tracking module is an infrared sensor that detects whether the surface in front of it is reflective or opaque. Sensitivity to ambient light can be adjusted using the knob to achieve a fairly accurate reading.