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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@user7029
How about alternate digikey's NHD-C0216CZ-FSW-FBW-3V3-ND
It's 2x16 char display, transflective (low power reflective or LED backlighted), SPI like sending commands, and avoids memory bloating. Unit price around 11 USD.
The maker also has a 160x160 I2C bus B &W display (limitation: can't read back pixels)
After some thoughts, it's probably the best compromise. A 5-way rock button attached to it should be enough to make simple nav menus, like digital watches or data loggers.
Graphical display should be by the mobile phone using serial BT transmission.