In this project we control direction and speed of a 24v high current motor using Arduino and two relays. No power switches are needed for this circuit, just two push buttons and in Potentiometer to ...

Complete Arduino soil moisture sensor tutorial with circuit diagrams, working code, troubleshooting tips and project ideas. Learn wiring, calibration & build automatic watering systems.

The aim: Create a 3.3V source from a –5V supply. You can obtain a precise, positive-output voltage from a negative-voltage supply with a boost converter and a linear regulator. The input and output ...