英语翻译LED Backlit Display module also available.This module is
英语翻译
LED Backlit Display module also available.
This module is the same size as the non-backlit module and replaces it directly.You will have to supply a dropping resistor to set the current from your primary power source.The forward voltage drop of the LEDs is 4V and the maximum current is 200ma.The unit lites up pretty good with 30ma.At this setting it can be powered continuously from the on-board 5V regulator through a 33ohm 1/4 watt resistor.From 12V you need an 80ohm/2W resistor for 100ma,or a 160ohm/1W resistor for 50ma.特别是From 12V you need an 80ohm/2W resistor for 100ma,or a 160ohm/1W resistor for 50ma.应该怎样翻?