please comment.
5 V +ve and gnd are connected to the computer power supply. backlight LED display rather hot...higher than I read from the spec.
backlight LED display rather hot...
Sep 29, 2003
8 Replies
IT needs some kind of current limiting. Read the data sheet.
If you can't stand the heat ...
Mike Page BEng(Hons) MIEE www.eclectic-web.co.uk
I added LED display ( backlight) for my linux box and wrote up the internal status for that. It is getting hot over a period of time. I let it on the whole nite. it looks fine. NO burn up.
>The backlit LCDs I have used needed a current limiter to be added. Usually a resistor in series with the power supply is sufficient. Regards, JC
Myl> 5 V +ve and gnd are connected to the computer power supply.
Try this:
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HTH,
Vadim
"Mylinux" schreef in bericht news:bl8ve4$ snipped-for-privacy@imsp212.netvigator.com...
Hy,
for my 40 X 2 LCD backlight i connect a 4R7 / 5W resistor in series to limit the current!
JK
"Mylinux" schreef in bericht news:bl8ve4$ snipped-for-privacy@imsp212.netvigator.com...
Use 5,6 ohm resistor if 16x2
The following page details the calculation
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