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Regulador de Voltagem « artesanato de volts

Regulador de Voltagem

E necessário muitas vezes por uma questão de necessitar maior corrente num projeto que envolva pequenos motores, solenóides ou outros dispositivos que você tenha uma fonte original de 9 volts. Ou você poderia simplesmente querer aproveitar alguma fonte que você ja tenha em mãos, ou usar uma bateria destas pequenas tipo de pedal de guitarra.

Para isso é preciso fazer um regulador de voltagem, utilizando o componente 7805. Os esquemas abaixo mostram detalhamente e de vários ângulos como fazer um regulador de voltagem que baixará uma voltagem de até 12 volts para os 5 volts necessários na maioria dos esquemas usados aqui.

Basta lembrar que o terra é sempre o mesmo (o do meio), e olhando o componente de frente o lado esquerdo recebe a voltagem mais alta e o direito devolve a voltagem de 5 volts.

fonte_frente

regulador7805
fonte_esquema