Hi I need help can i use the relay 5v with raspberry to commande the solenoid valve 24 v AC
Thread Starter enginner_IoT Joined Nov 20, 2019 1 Nov 20, 2019 #1 Hi I need help can i use the relay 5v with raspberry to commande the solenoid valve 24 v AC
Dodgydave Joined Jun 22, 2012 11,302 Nov 20, 2019 #2 Yes just use a transistor to power the relay coil with a back emf diode across the coil.