So this is odd... I pulled two Arduino Mini Pro's (3.3V - 8kHz) out of my bin to use them and I was having difficulty even getting a "Hello World" sketch to work properly on either. I put the same sketch on an Uno and it worked fine. After noodling around it was clear that I have to set the serial …

Mini Pro Serial port running at half speed

system December 5, 2012, 2:38am 3

Ooops, 8 MHz...

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