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We open up a Block I Apollo AC inverter, which gets us totally sidetracked into the Apollo 13 incident. Using the original ...

We restore the first of our E&L MMD-1 Mini Micro Designers, a 1976 single board microcomputer designed around the Intel 8080 ...

We try to make an Apollo talkback indicator work again, the ones that go either "grey" or "barber pole" on the control panel. Things ...

I just visited my friend Jack Rubin and his well named Computerarium. Today, we are going to boot an HP 1000E (from 1976) and ...

We pimp up our MMD-1 by breadboarding 32K of non-volatile FRAM memory. Which turns out to be way more difficult than ...

We restore a genuine Apollo DSKY to full operation. And then, we use it! Link to our DSKY talk at VCF West 2024: ...

Core Rope Memory, which contained the programs that landed man on the Moon in the 1960s, is insanely complicated. But that ...

We continue the restoration of our E&L MMD-1 Mini Micro Designer, a 1976 Intel 8080 based microcomputer. We take advantage ...

We attempt to fix the mother of all breadboard prototyping systems, the E&L Instruments Elite 2. Worth over $9000 in today's ...

We take a break from complicated stuff to relax and admire a Hewlett-Packard HDSP-2112 LED display from 1988, using an HP ...

We succeed in running the original 1975 Microsoft BASIC on the MMD-1. That was WAY harder than expected! MMD-1 Playlist: ...

We take on our second E&L MMD-1 microcomputer unit. It's not in good shape. Don't try to restore it like we did. MMD-1 Playlist: ...

My great Tektronix PS2521G is suddenly blowing many of its fuses. We take advantage of the repair to upgrade a few things too.

In our quest to run Microsoft BASIC on the MMD-1, we add an Altair-compatible serial port using a vintage MC6850 chip. MMD-1 ...

Our brand spanking new HP 5261A plugin has been in storage since 1972! Authentic HP vintage unboxing experience awaits.

In preparation for some upcoming atomic clock metrology, we repair two HP 5087A distribution amplifiers, an instrument so good it ...

We open up a Soyuz INK "Globus" analog mechanical navigation computer. It's full of gears and incredibly gorgeous, and in our ...

In this final episode, we chat with Jon Titus, the Mark 8 and MMD-1 designer, and his business partner David Larsen, owner of the ...

We look inside and power up the Apollo command module PCM Telemetry box, which provided the telemetry downlink for the ...

We repair a classic HP 3478A 5-½ digit voltmeter, and admire its ultra complicated A to D converter. HP Multislope II ADC patent: ...

We continue the repair of the 1801A vertical 50 MHz plug in, which we had started live during the Opensauce show. We found it ...