Hardware modifications and gadgets for ZX Spectrum and compatibles

12/03/2014 - D40 / D80 modification for ZX Spectrum +2a / +2b (black case).

08/01/2014 - Kicad project of AY interface was updated.

19/10/2013 - MB-02+ modification for 28c256 instead of EPROM.

22/08/2011 - Modifications for ZX Spectrum +2a (black case).

29/07/2011 - Modifications for ZX Spectrum +2 (grey case).

17/01/2011 - Nice board by Pavel Urbancik for AY interface.

01/04/2010 - +3e^2 modification for ZX Spectrum +3 or +2a.

02/03/2010 - Simple D40 / D80 modification for ZX Spectrum 128k or +2 (grey case).

23/02/2010 - Bank LED map for ZX Spectrum 128k or +2 (grey case).

19/02/2010 - Dual color memory LED map for any ZX Spectrum or clone.

11/02/2010 - Memory LED map for any ZX Spectrum or clone.

04/02/2010 - Simple AY Interface for any ZX Spectrum compatible computer.

28/01/2010 - Universal 48k to 128k rebuild for ZX Spectrum 16k / 48k, ZX Spectrum + and Didaktik GAMA.