Pro Mini

[last update: 2017-10-19]
go to: Arduino boards
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• 3v or 5v?: Some pro-mini's are 3v, some 5v. They're not marked as to which. But since you can destroy a 3v by using 5v on inputs, here's how to find out what you have:
• connect 6-12vdc to the "RAW" power input
• measure voltage at Vcc (to gnd)
• Vcc is regulated on the board, so it will either be 3.3v or 5v, depending on which version you have.

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