Nacho Segura

Hello everyone, I've been researching and informing myself for a while but I can't solve my problem. I have an electronic scale which I would like to power with a 5v charger, the thing is that it uses a 3v...

Hola a todos llevo un rato investigando e informandome pero no consigo solucionar mi problema. Tengo una bascula electronica a la cual me gustaria alimentar con un cargador de 5v la cosa es que utiliza una bateria de 3v 210...