This library contains a driver written in Rust for the Spectra tri-colour (white, black, red) e-paper displays from Pervasive Displays Inc. The displays are often found in SES Imagotag electronic price labels. Technical details of the price labels can be found for example here.
The C++ driver can be found here.
This library is tested with the 2.66 inch display and the EXT3-1 extension kit from Pervasive Displays on a Raspberry Pi Zero with std support and on a STM32 Nucleo board with no_std. See the examples folder to get started.