We love seeing previous expertise introduced again to life, particularly when it’s accomplished within the context of how the machine was initially meant for use. And double factors when it’s area gear, like what [Curious Marc] and his normal merry band of cohorts did once they managed to light up a couple of real Apollo DSKY displays.
The “Show and Keyboard” fashioned the human interface to the Apollo Steering Pc, the purpose-built machine that allowed Apollo missions to fly to the Moon, land safely, and return to Earth. Full DSKYs are onerous to return by, however a fortunate collector named [Marcel] was in a position to rating a pair of the electroluminescent panels, one a prototype and one a flight-qualified spare. He turned them over to AGC guru [Carl Claunch], who labored out all the main points of getting the show working once more — a non-trivial activity with a tool that wants 250 volts at 800 Hertz.
The primary third of the video beneath largely considerations the backstory of the DSKY shows and the historic features of the artifacts; skip to across the 12:30 mark to get into the technical particulars, together with the stunning use of relays to drive the segments of the show. It is sensible when you understand that mid-60s transistors weren’t as much as the duty, and it will need to have made the Apollo spacecraft a splendidly clicky place. We had been additionally intrigued by the intelligent approach the entire relay rely was saved to a minimal, by realizing that not each mixture of segments was legitimate for every seven-segment show.
The video has a few cameos, like [Ben Krasnow], no slouch himself in relation to electroluminescent displays and DSKY replicas. We additionally get a glimpse of well-known component slicer and MOnSter 6502-tamer [TubeTime] too.