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    You need to determine how much current is required too, it's not just the voltage that matters. Can you show a schematic of how things are currently connected? Commented May 13, 2016 at 7:01
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    I suggest going back to read the basics about voltage and current, especially the part about parallel circuits. You seem to be confused about quite a few things. That said, without any sort of data about the servos or the circuit connections I doubt anybody will give an answer that you're happy with Commented May 13, 2016 at 7:19
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    Don't power the servos from the Arduino. Power them separately, and only connect the ground and control signal lines to the Arduino. Commented May 13, 2016 at 8:01
  • I read that each takes up 2.2 V each so that means the Arduino can only handle about 2 , if using 5V - that doesn't mean you can power two 2.2V servos from 5V. It doesn't work that way. Can you edit your question and include a link to the servos and preferably the datasheet? Commented May 13, 2016 at 11:56