Asjad New Member Apr 11, 2004 #1 Dear Folks, A quick question: If you have a HDD44780 LCD with built in LED (backlight) Does the Light come on automatically when data is sent to the LCD??? Do you have to turn the backilght ON-OFF using external control?? Thanx in advance!
Dear Folks, A quick question: If you have a HDD44780 LCD with built in LED (backlight) Does the Light come on automatically when data is sent to the LCD??? Do you have to turn the backilght ON-OFF using external control?? Thanx in advance!
Exo Active Member Apr 11, 2004 #2 There should be 2 pins to supply power to the backlight. Normally, the backlight is completely independent of the rest.
There should be 2 pins to supply power to the backlight. Normally, the backlight is completely independent of the rest.
T t New Member Apr 11, 2004 #3 Right, on the one I'm using (**broken link removed**), pin 15(+) and 16(-) supplies the power for the backlight.
Right, on the one I'm using (**broken link removed**), pin 15(+) and 16(-) supplies the power for the backlight.