With this module you can show images on a Samsung EMDX E-Paper Display from the command-line.
$ npm i -g @weejewel/samsung-emdx
$ samsung-emdx show-image \
--mac 00:11:22:33:44:55 \ # Optional. Used for Wake-on-LAN
--host 192.168.0.123 \
--pin 123456 \
--image ~/Photos/Doggy.jpgAnd ta-da! Within a few seconds your display should start refreshing.