BASIC Stamp 1 Serial Adapter, 3-pin to DB9-F
... to be programmed from a parallel port on a DOS-based PC. Since then, PC technology
has evolved greatly, so this adapter was designed so that you can program the BASIC ... into a serial cable and the other onto a 3-pin
header provided on BASIC Stamp 1 development boards.
Of course, technology
marches on, and now many PCs don't have an ...