This schematic is a project in which we control the switching of bulb/lamp using Arduino and NPN TIP120 Power transistor (used as a switch).

A teacher I know is stuck, with only npn transistors in the supply cupboard and the need to create a reversible motor drive for an Arduino project. Reversing ‘bridges’ have four switches (relay ...

Let’s say you want to blink an LED. You might grab an Arduino and run the Blink sketch, or you might lace up a few components ...

Circuito de Monitoramento de Temperatura com Controle de Acionamento de Motor de Corrente Contínua com LED e Arduino - [Relé SPDT, Resistor, Transistor NPN, Diodos, LED, Bateria 9V, Sensor de ...