Editing Light-emitting diode
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== 5.0v - 3.3V voltage drop via red LED == | == 5.0v - 3.3V voltage drop via red LED == | ||
− | The average red LED has a 1.7V voltage drop. This property can be (ab)used to power very small 3.3V IC's from a 5.0V power supply -- put the LED in series with the 5V line | + | The average red LED has a 1.7V voltage drop. This property can be (ab)used to power very small 3.3V IC's from a 5.0V power supply -- put the LED in series with the 5V line. |
== further reading == | == further reading == |