Assertion: led's current | /r/HasProperty | required by led
Facets:
Source sentences:
text: In such cases to control the brightness of light and the current required by LED, a process known as pulse width modulation is used for repeatedly turning the LED ON and OFF depending on the intensity of light required.
text: when it is connected in series with the resistance, as a result the forward current required by the LED is provided by supply voltage across the combination.