DROP and READ: a paper-based device combined with portable readout for ABO, Rh (D, C, c, E, e) and Mia phenotyping

DROP and READ device, a PAD that is combined with portable readouts for e ABO, Rh and Mia antigens typing, was created using a Raspberry Pi 4, a camera, LEDs, and an LCD touch screen. It would enable antigen-negative compatible blood to be provided to alloimmunized patients.