[L293D] Measure output voltage to pump when VIN is zero and VCC 5V and vice versa

dimitar-zabaznoski / FlowerIO

A self watering flower pot. Made with Arduino.

GNU Lesser General Public License v3.0

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Open dimitar-zabaznoski opened 5 years ago

dimitar-zabaznoski commented 5 years ago

The DC motor gets voltage (from VCC) even though VIN and/or the enable pin are 0. Check if this is by design or an error.

dimitar-zabaznoski commented 5 years ago

If VIN has power, then VCC has power too and unintentionally powers the Arduino from the 5V pin. This shouldn't happen.