What does this symbols means on the LCD pin outs?

Question

I am trying to understand this product : NHD-C0220BIZ-FS(RGB)-FBW-3VM

enter image description here

It is a LCD with back light in reg, green, blue (not clear for me if they are mixed or you can only choose one)

What do you think that A , RK, GK, BA means? how I should connect it to the MCU and voltage?

Renan · Accepted Answer · 2013-09-28 19:33:59Z

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From the drawing, A is the anode and RK, BK, GK are the cathodes of the red/green/blue LEDs respectively.

answered Sep 28, 2013 at 19:33

Renan

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Javier Loureiro · Accepted Answer · 2013-09-28 19:20:51Z

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I think I found it

A is "Anode" ( + 3.3V in my case) K is "Cathode" I connect it to the MCU pin, through a resistor. Setting the pin down, it will light the LED.

answered Sep 28, 2013 at 19:20

Javier Loureiro

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\$\begingroup\$ And by combining which of the three are on, you can have 8 colors (r,g,b,rg,rb,gb,rgb/white,off). And if you use pwm, you can get even more colors at the same time. \$\endgroup\$
– Passerby
Commented Sep 28, 2013 at 22:13

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