alvinthen
Member level 2
Water valves project
I'm trying to control several water valves using multiplexing method with pc's parallel port.
however, the solenoid valves has to be driven by 220v while the decoder i'm using output at Vmin 2.7V (74LS154 4 to 16 decoder), how do I control my solenoid valve?
I'm trying to control several water valves using multiplexing method with pc's parallel port.
however, the solenoid valves has to be driven by 220v while the decoder i'm using output at Vmin 2.7V (74LS154 4 to 16 decoder), how do I control my solenoid valve?