CuriousMarc
Videos documenting restorations of exceptional vintage electronics and early computers, space hardware and the odd mechanical calculator or Teletype. It often showcases my Hewlett-Packard test equipment collection and, from time to time, my R2-D2 robot build. Things rarely work when I start, but almost always do when I end. A nerdy place for your inner engineer, to celebrate engineering exploits of our predecessors, and learn a lot from it. To contact me, use the CAPTCHA protected email link below.
Apollo Talkback "Barber pole" Indicator
MMD-1 Mini Micro Designer Part 8: Chatting with the original designers
MMD-1 Mini Micro Designer Part 7: Running the original Microsoft BASIC
MMD-1 Mini Micro Designer Part 6: Breadboarding a homebrew serial port
MMD 1 Mini Micro Designer Part 5: Breadboarding FRAM memory
MMD 1 Mini Micro Designer Part 4: Restoring our 2nd unit the RIGHT way
MMD 1 Mini Micro Designer Part 3: Restoring our 2nd unit the WRONG way
MMD-1 Restoration - Part 2: breadboarding HP 5082-7340 displays, bad RAM
MMD-1 Restoration - Part 1: bringing up the cutest Intel 8080 microcomputer trainer
Apollo Comms Part 35: PCM Telemetry - Power Up
HP 182C Oscilloscope Repair - Part 5: HP 1801A Dual Vertical Amplifier Plugin
HP 182C Oscilloscope Repair - Part 4: HP 1821A timebase really tough debug
HP 182C Oscilloscope Repair - Part 3: the HP 1821A Timebase plugin from 1966 puts up a fight
HP 182C Oscilloscope Repair - Part 2: Alive Again!
HP 182C Oscilloscope Repair - Part 1: High Voltage Power Supply "Accident"
TV-2B/U Military Tube Tester Restoration - Part 2
TV-2B/U Military Tube Tester Restoration - Part 1
More live action from Opensauce: atomic clock and a Nixie counter turn on
HP 182C Scope Live Repair at Opensauce 2025
HP 115BR Hackaday 1 Hertz Challenge entry
HDSP-2112 vintage LED "intelligent" displays
Third HP 5061A atomic clock repair: we chase 0.1 parts per trillion
BK Precision 879B LCR Meter Repair (with Sequre HT140 Hot Tweezers)
HP 8664A 3GHz Synthesized Signal Generator Repair - Part 4
HP 8664A 3GHz Synthesized Signal Generator Repair - Part 3
HP 8664A 3GHz Synthesized Signal Generator Repair - Part 2
HP 8664A 3GHz Synthesized Signal Generator Repair - Part 1
Polaroid magic with monster HP 197A and 198A Oscilloscope Cameras
Another HP 5061A atomic clock comes in for repair, and it's very broken
Our first dual atomic clock comparison experiment does not go as planned