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Prevent Chinese tablet charging from Arduino.

Posted by ohfurryone 
Prevent Chinese tablet charging from Arduino.
May 23, 2017 03:27AM
I am attempting to connect a cheap Pendo Chinese tablet to my RAMPS based controller. While the Pendo is off or in standby it keeps pulling down the voltage every 5 or so seconds, it doesn't do it if the tablet is on AC.

I can keep the screen lit while on AC but I'm worried if the charger gets unplugged during a print. Is there any way I can prevent the tablet pulling down the voltage?
Re: Prevent Chinese tablet charging from Arduino.
May 23, 2017 06:36AM
Are you talking about USB? Then you could just cut the 5V wire of the cable, so none of the devices can draw current from the other.
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