Hi. I use 20x4 LCD with PIC16F877A and i need to dimming the backlight by microcontroller minimun two step, one at maximun light and one regulated for the night.
Anyone have make one circuit like this?
Backlight parameters: V=3.5V and I=60mA
(sorry for my language!)
Many thanks, Tony
tonyg(at)fastwebnet(dot)it
Anyone have make one circuit like this?
Backlight parameters: V=3.5V and I=60mA
(sorry for my language!)
Many thanks, Tony
tonyg(at)fastwebnet(dot)it
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