In this article we will learn current sensing technique in detail and wire up a current transformer to measure AC current with the help of an Arduino.

Arduino Voltmeter Circuit Diagram: Circuit Diagram for this Arduino Voltmeter is shown above. Connections: Connect high voltage side (220V) of transformer to the mains supply and low voltage (12v) to ...

The circuit diagram of the Arduino-controlled 12V automatic battery charger is shown in Fig. 1. It is built around Arduino Uno (Board1), adjustable voltage regulator LM338 (IC1), 12V voltage regulator ...

Arduino based Fire Alarm – Circuit and Working Fig. 2 presents the circuit diagram for the fire alarm using a flame sensor and Arduino Nano. The system is powered by a step-down transformer (X1), a ...

This paper presents a current transformer (CT)-based high-reliability energy harvesting circuit (EHC) for an electromagnetic energy extractor, which powers monitoring sensors in power system.