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 ...

It will also prepare the user on how to successfully hook the Velostat up to an Arduino and how to code for it. This module can be used from K-6. Materials not included in Arduino kit: Velostat ; ...

ZMPT101B Module & Arduino Uno Serial Plotter. Arduino Uno can measure voltages through its analog inputs. ... However, your microcontroller, sensor module, operating voltage and high-voltage input ...