easy5 pts · first answer countshardware-basicsgpio
Sizing an LED resistor
A 3.3 V GPIO drives an LED with a forward voltage of 2.0 V. You want about 10 mA. Which resistor is closest?
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A 3.3 V GPIO drives an LED with a forward voltage of 2.0 V. You want about 10 mA. Which resistor is closest?
Join free to post in the discussion.