4 2013-02-13 www.fritzing.org <b>Voltage Regulator</b> Standard LM317 adjustable voltage regulator. AOI (Adjust Output Input). Google 'LM317 Calculator' for easy to use app to get the two resistor values needed. 240/720 for 5V output. 240/390 for 3.3V output. Spark Fun Electronics SKU : COM-00527 Voltage Regulator SINK V_REG_317 TO220-ADJ to220-adj sparkfun Voltage Regulator 1.25 – 36 V LM317 sink ADJ

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