Arduino Calculator

Arduino 5V to 3.3V Level Shift Calculator

Calculate resistor divider values for simple Arduino 5V to 3.3V signal level shifting.

Arduino 5V to 3.3V Level Shift Calculator Formula

Vout = Vin x R2 / (R1 + R2)

Useful for Arduino Uno, Nano, Pro Mini, Mega and embedded electronics projects.

Result will appear here.