PROTON Electronics, a small company from Naarden the Netherlands, led by James Post, and A.J. Kool as technical manager, produced and sold a lot of electronic equipment in kit and assembled format. Parts, kist, measurement, computers to computer systems based on the 6502 and later the Z80.
They also developed Ultiboard, a printed circuit board design and layout software, which became very succesfull. The company moved to the USA for the Ultiboard business and the software is still available at NI.
On these pages information on the 6502 systems PC-1, PC-2 and PC-3, the Z80 CB80 Combiboard systems, the PIM-1 boxed 6502 system and the KB-2 Keyboard.
Many thanks to Dirk Prins for photos, scans, sources.
See also:
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