ArduIoT U1, 4 zone water irrigation.
Using U1 from arduIoT, I made an 4 zone irrigation system.You are going to use in this example the LCD, Buzzer, RGB led, rotary encoder, push buttons or the U1 from arduIoT.You can use 4x relays to switch on/off the water values, or you can use the custom made PCB with 4 MOSFETs.From U1 you get the ...By: arduIoTc
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[original story: Instructables]