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dda
dda
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Can I force Arduino Notnot to be powered by USB?

I'm building a 3D printer and I'm using a Atmega2560an ATmega2560 + RAMPS board.

The whole thing is powered by an ATX PSU (12v for motors and stuff, 5v for the Arduino), but when I plug in my USB cable, I can't shut the printer down, as it switches over to USB power.

Is there a way to make the Arduino never use the USB power, only the external powersourcepower source?

Thanks!

Can I force Arduino Not to be powered by USB?

I'm building a 3D printer and I'm using a Atmega2560 + RAMPS board.

The whole thing is powered by an ATX PSU (12v for motors and stuff, 5v for the Arduino), but when I plug in my USB cable, I can't shut the printer down, as it switches over to USB power.

Is there a way to make the Arduino never use the USB power, only the external powersource?

Thanks!

Can I force Arduino not to be powered by USB?

I'm building a 3D printer and I'm using an ATmega2560 + RAMPS board.

The whole thing is powered by an ATX PSU (12v for motors and stuff, 5v for the Arduino), but when I plug in my USB cable, I can't shut the printer down, as it switches over to USB power.

Is there a way to make the Arduino never use the USB power, only the external power source?

Thanks!

Tweeted twitter.com/StackArduino/status/965705011048140802
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Valmond
Valmond
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Can I force Arduino Not to be powered by USB?

I'm building a 3D printer and I'm using a Atmega2560 + RAMPS board.

The whole thing is powered by an ATX PSU (12v for motors and stuff, 5v for the Arduino), but when I plug in my USB cable, I can't shut the printer down, as it switches over to USB power.

Is there a way to make the Arduino never use the USB power, only the external powersource?

Thanks!