The soil moisture sensor module , built around the LM393 comparator, gives an active-low (L) level output when the soil is dry (determined by a pre-setted threshold value). This digital output (wet ...

The Pressure Sensor Module incorporates a material called Velostat with the Arduino. This material adds more resistance when more pressure is applied to the material. This module also uses the RGB LED ...

The HW-006 (V1.3) line tracker sensor module based on TCRT5000 an infrared reflectance sensor. This is usually mounted at the bottom of a line following robot chassis. ... HW-006 Module – Arduino ...