The Speccy celebrating the Sinclair ZX Spectrum

Hardware Projects

Build videos and write-ups of ZX Spectrum-related hardware projects — replacement boards, interfaces, and upgrades, with PCBs manufactured at PCBWay.

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TK-Pie: A Real HDMI Interface for the ZX Spectrum 48K

AI

19 August 2026

InterfacePCBWay buildVideo
Build video coming soon

An edge-connector board that pairs a Raspberry Pi Zero with a CPLD to give a 1983 ZX Spectrum 48K genuine, native HDMI output — no SCART, no RF modulator, no upscaler. Read the project page.