Circuit Diagram. The circuit diagram and schematic for Arduino Power Supply Shield is pretty simple and doesn’t contain much component placement. We will be using 12V DC Barrel Jack for main voltage ...

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 ...

Arduino based Fire Alarm – Circuit and Working. Fig. 2 presents the circuit diagram for the fire alarm using a flame sensor and Arduino Nano. ... which is controlled by a 12V SPDT relay. Transistor T2 ...