I have used these displays - as well as smaller 128x64 ones based on the KS0108 controller - in the past. Here is an example of T6963, 240x128 that was done several years ago.
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However, I no longer use monochrome graphic LCDs. Today, TFT color LCDs are more compact, higher resolution, typically consume less power, and are generally less expensive. Driving them may be little more complex (but not by much) - as the general principles are the same. This is a 320x240 TFT that I am developing a framework for a handheld HMI terminal with my own graphic primitives (9-11 concurrent tasks managed by an RTOS, touch panel, dimmable backlight, keypad, RTC with battery backup, USART external comms, optional RF comms, etc.) The TFT display costs about half that of the 128x240 T6963.
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