February 10, 2011
about 3 years ago
I am a relatively new Arduino user - have been playing for about a year now, but have only done a handful of small projects. I’ve recently purchased this 5v pro mini and a triple access accelerometer (http://www.sparkfun.com/products/10955) The accelerometer is a 3.3v piece, and this pro mini is a 5v. If I want to use the two together do I need to get a 3.3->5v logic controller (for example http://www.sparkfun.com/products/8745) or can I simply build myself a circuit that has a 3.3v power source? I was planning to design this into a project that would have a custom PCB, and if I can simply plan in a 3.3v regulator, I may do that.
Happy to supply more details if more info is needed.
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