‘ve changed display type to SPI, and I have now received the first batch of an order for 250 displays, that I really planned to make a boosterpack with. I’m planning to order a test-batch of booster pack PCBs that look like this:
an the schematic:
The display looks similar to the above pictures, but is slightly smaller and I think maybe slightly better quality. It has backlight, and a 9-bit 3-line SPI interface. It’s quite small, so I’ve made another post about the possibility to make a wrist-watch kit from this display.