
A spares or repairs ZX Spectrum 128K +2 gets a cheap buck regulator in place of its missing 7805, and its dead Datacorder turns out to need glue, not just belts.

A whistle-stop tour of the 13 tools I reach for most when fixing retro consoles and computers, plus a runner-up for ageing eyes.

Building and installing an internal composite video board that replaces the RF board inside a ZX Spectrum’s modulator, with the three circuit options explained.

Building a TL866 MiniPro adapter for 27C400 to 27C322 EPROMs, then rescuing a legless Amiga A600 Kickstart ROM by burning it to a new chip.

Building an Epyx FastLoad cartridge for the Commodore 64, working around remarked AliExpress EPROMs, and timing SD2IEC loads with and without it.