Shouldn't Vin be directly routed from the input voltage +pin? When I measure the input voltage it varies greatly if I measure using Vin or directly from the input pin on the power connector. Shouldn't Vin be directly routed from the input pin? V = 12.37V (actual voltage measured on the power plug) …

Vin not the same as input voltage

E40racer January 8, 2013, 3:04pm 2

The barrel jack has a diode (causing the voltage drop) for reverse voltage protection.

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