--- In [email protected], "levene_paul" <[EMAIL PROTECTED]> wrote: > > --- In [email protected], "thedos1701" <thedos1701@> wrote: > > > > Hi all, > > Is it possible to use a 5 Volt Relay with the GPIO output lines of the > > foxboard? > > I saw on the Acme site that the output lines have 3.3 Volt. > > Thanks! > > > > Yes you can use a relay from the fox board but you will need a > transistor to drive it. > > Paul >
Hello, when you drive a relay you must put a diode in parallel with the self of the relay. The anode connected to ground (-) and the cathode connect to +. the diode protect the transistor when you cut voltage.
