Kempston joystick interface
Why the Kempston interface mattered if you owned an original Spectrum, a birthday-money joystick disaster from October 1985, and a homebrew rebuild for a fraction of the 1985 price.
Tagged: PCBWay build
Projects
Datel Robotek: A Recreated Robot Control Card for the ZX Spectrum
A faithful recreation of Datel's long out-of-production Robotek interface, corrected against the original schematics from Make and Program Your Own Robots.