These Plessey dot-matrix displays are a perfect example of that. We’re not sure where [Michael] scored these displays, but they look fantastic. Each 8-pin DIP has two 5×7-matrix, high ...

These Plessey dot-matrix displays are a perfect example of that. We’re not sure where [Michael] scored these displays, but they look fantastic. Each 8-pin DIP has two 5×7-matrix, high ...

Also known as a "serial dot matrix printer." The dot matrix printer uses one or two columns of dot hammers that are moved across the paper. The hammers rapidly press the ribbon into the paper ...

An early impact printer that combined band printer and dot matrix technologies. It used a revolving band, but dots were on the band instead of the actual characters. Bands with different dot sizes ...