Controls speed and direction of a DC motor with use of a pot and Arduino uno const int analogInPin = A0; // Analog input pin that the potentiometer is attached to const int analogOutPin = 10; // ...

This Arduino sketch demonstrates how to control a relay using a soil moisture sensor and two potentiometers to set the minimum and maximum thresholds for when the relay should turn on or off. The ...

Wire up this Arduino-based sensor and save them. Search. Pop Mech Pro; ... and the other to ground through a 10kΩ resistor and to Arduino's analog pin A0. ... and 661 in a drier pot.