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eddie board level shifter ic — Parallax Forums

eddie board level shifter ic

stargazer2050stargazer2050 Posts: 89
edited 2013-03-18 12:34 in Robotics
What ic is used to shift 3.3 to 5v on the eddie?
They are labeled U11, U12, U13.
They appear to be dual 'op amps' of some nature.
Symbol in schematic is an inverter.
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