CuriousMarc restores a 1968 HP Nixie counter — and gives it a sixth digit

Still from CuriousMarc’s HP 5221B restoration video. A 1968 frequency counter gets more than a cleanup in CuriousMarc’s new HP 5221B res [...]

A 1979 RAM upgrade brings new life to a 1977 Commodore PET

Commodore PET and memory chip. Still from Commodore History’s video. A 1977 Commodore PET with just 8 KB of RAM is a tight fit for anythin [...]

A simple MC6847 video card takes shape for homebrew 8-bit computers

Video still from The 6502 Show, “The super-simple video card takes shape” (12 October 2026). A small 8-bit computer does not need a mode [...]

Usagi Electric adds dual 8-inch floppy drives to a PDP-11/44 project

DSD 440 hardware shown in Usagi Electric’s PDP-11 video (video still). Usagi Electric is expanding a PDP-11/44 restoration with a Data Sys [...]

Toggle65: a 6502 computer you program with switches

Anders Nielsen builds Toggle65, a 6502-family computer with a switch-and-LED front panel, garage-milled boards and a hardwood case. [...]

A homebrew relay computer gets a purpose-built front panel

Backplane and ribbon-cable connection inside DiPDoT’s relay computer. Still from DiPDoT’s video. After nearly three years of building a [...]

A SNES repair shows why the first diagnosis needs testing

Two SNES boards compared during the repair. Still from The Retro Channel’s video. A repair can go sideways when the first plausible fault [...]

A Commodore 1702 repair that refused to be a one-part fix

Still from Adrian’s Digital Basement’s Commodore 1702 repair video, 10 October 2026. A blown fuse was only the beginning of Adrian Black [...]

A BBS door-game creator’s work gets a preservation spotlight

Still from The Serial Port’s PAROLE Software interview (9 October 2026). The Serial Port’s new interview turns a piece of dial-up histor [...]

Picocomputer 6502 game jam opens to browser-playable entries

Development setup shown in Rumbledethumps’ Picocomputer 6502 game jam video (still at 3:00). A new Picocomputer 6502 game jam is open, inv [...]
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