Warning: While this project does work and has been tested against a number of devices, the firmware is very quick & dirty with hardcoded parameters and missing error handling. Use in production environments is discouraged. What is it? Old computers, machines and test equipment often expect printers to be directly connected via a parallel port / LPT / IEEE 1284. In the modern day, this is impractical. Having a single printer for each device is expensive, takes up a lot of space and they need t...
