Assertion: led | /r/HasProperty | operated with a series resistor
Facets:
value: in most cases
type: TEMPORAL
value: from a low voltage dc supply
type: OTHER
Source sentences:
text: In most cases LEDs are operated from a low voltage DC supply, with a series resistor, R S used to limit the forward current to a safe value from say 5mA for a simple LED indicator to 30mA or more where a high brightness light output is needed.
text: In most cases LEDs are operated from a low voltage DC supply, with a series resistor, R S used to limit the forward current to a safe value from say 5mA for a simple LED indicator to 30mA or more where a high brightness light output is needed.