It's not exactly the same as the one of the photo don't worry I take the picture from adafruit learning system.
Other unrelated side question, is there a way (using a module or not) to power arduino + ext power on the shield with the same power supply ?
What is still unclear is the power supply for motor shield. I didn't know it should be regulated 5v.
From what i understood from the doc, it is bad to power motor shield + motors from the Arduino because it can harm it (we plan to add one more DC or stepper). So we were looking forward to plug this power supply directly to ext but you said it's a bad idea.
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