Interfacing 3.3v to 5v logic

2 posts
by Blars » Wed Mar 28, 2012 9:21 pm
For those of you who wish to connect hardware to the gpio pins, this app note from TI covers the basics.  While it's written for the MPS430 series of microcontrollers, it applies to the non-5v tolerent pins of the Raspberry Pi as well.
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by TonyD » Thu Mar 29, 2012 11:11 am
NXP (Philips) have a couple of useful apps notes as well on the subject:
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