New member
I just purchased one of the wonderful looking cfa-635 in blue/white. I want to use this in a microcontroller application.
Can i talk to this display via TTL level RS232? or I2C or SPI?
i assume there is a RS232toUSB bridge chip from fdti there... can i connect to the TTL 232 side without disconnecting the IC?

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CF Tech

We could provide "logic level RS232" on some of the GPIO pins.

Please write support(at)crystalfontz(dot)com (edit to '@' & '.') and we can see what we can work out.