Works by Andre Krayewski (Andrzej Krajewski), 1970s and 1980s. h/t Marcin Przyłęcki.
Various works by DXTR 2017-2018.
Works by MuirMcNeil, a British design agency.
Very textmodey profile by Ivo Brower for All Eyes On Type, a calligraphy and typography festival in Rotterdam in May.
In the 1960s, Eduardo Joselevich and Fanny Fingerman developed a technique to represent images with only four symbols. Full blocks or circles, in either black or white. They called it Fototrama and it was used at Olivetti and Philips for example.
More here.