Low cost Braille printer

A dot matrix printer modified at a low cost to work as a Braille printer. Both the friends once visited a blind school for a school project where they saw much of the printing work done in a time consuming manual manner. Challenged by a teacher there they came up with their own Braille printer using a dot matrix printer. Khushwant likes to play cricket and chess. He also enjoys surfing the net and making electronic gadgets like electronic stethoscope, water level indicators, LED displays etc. He wants to become an astronaut and undertake space exploration. Santokh likes learning new things.