A PAL Atari 7800 gets a Deluxe composite mod from The Future Was 8 Bit, a recap, a slot clean and a reversible power socket, with no cutting or drilling.
An 80s style C64 tape piracy board: I build the Clonemaster V2 three-way Datasette splitter, blow a fuse with a rogue jumper, then successfully copy a tape.
A full TZXDuino build from Zaxon’s kit, including the V1 board fix, Arduino IDE and library setup, the old bootloader gotcha, and loading games on a ZX Spectrum.
A step by step build of Stephen Smith’s Romantic Robot Multiface 128 recreation for the ZX Spectrum, from bare PCB and EPROM programming to the NMI menu.
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.