Using: Arduino Uno, L293D shield, (2x) 12v Solenoid Valve, 12v 1a AC>DC Transformer (its an energizer battery charger transformer.) The signal from the Arudino sends to the L293D shield np, as it has an led indicator to denote. Both Solenoids work, but, they are salvage parts. Solenoid in the A …

Is it an issue with the L293D?

avender August 20, 2021, 11:32pm 6

sorry, i forgot to mention, the are "normally closed" solenoid valves. rated at 12v 100ma draw.

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