Hi Guys - I've tested my understanding using the ShiftOut tutorial, and made the circuit using LEDs - but now need to step it up to power 12 number 12V solenoids. I've put in diodes (IN5404) to stop the current reversing when the solenoid is discharging, and also transistors (TIP-122) to step up fr…

Controlling 12 Solenoids from Arduino / ShiftOut

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