According to the Arduino Pro Mini spec it has Input Voltage of 5 – 12 V (5V model). Is it possible to input 12v by using any method other than usb? If so are there any downsides/limitations?
Electronic – arduino – How to power Arduino Pro Mini via VCC pin (12v input)
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Best Answer
If you want to feed 12v to the board then you should use the raw input which feeds the onboard regulator input and will step down the voltage to 5v (vcc).
You should not connect any voltage >5v to Vcc or USB directly
The location of the raw input pin on the board is