Join us in restoring this beautiful Soviet-made 1977 Iskra-121 calculator (Искра 121) with a Nixie tube display!
Download the technical manual for the Iskra 121 (in Russian):
https://bit.ly/iskra_121_manual
Download schematics for the Искра 111и power supply (very similar to the Iskra 121 PSU):
https://bit.ly/Iskra_111i_psu
Support us on Patreon with a $2 contribution!
https://www.patreon.com/workshopnation
Featured tools:
EEVblog Brymen Multimeter: https://amzn.to/3tsht9N
Cheap component tester: https://amzn.to/3nu6Cs2
Elenco Hook Up Wire Kit: https://amzn.to/3DSArYH
Wiha ratchet bit set: https://amzn.to/3IKZS1X
Deoxit contact cleaner: https://amzn.to/3IO2pIz
Wire strippers: https://amzn.to/3m31cn9
Solder: https://amzn.to/3GFXAiF
Amtech flux: https://amzn.to/3DSLbGo
Solder iron tip cleaner: https://amzn.to/31TjH6w
Production tools:
Sony A7Siii (main camera): https://amzn.to/3pWAeyM
Samsung S10 Plus (second camera): https://amzn.to/3ET8H7u
Sennheiser wireless lav mic: https://amzn.to/3IK0YuS
C-stand: https://amzn.to/3GKMfxM
Be sure to check out our retro computing Instagram channel: https://www.instagram.com/circuitlords/
Music:
Night Owl by Broke For Free: http://freemusicarchive.org/music/Broke_For_Free
Creative Commons — Attribution 3.0 Unported— CC BY 3.0
Free Download / Stream: https://bit.ly/_night-owl
Music promoted by Audio Library: https://youtu.be/pGdYT1FZllQ
Thanks for watching!
#workshopnation #calculatorrestoration
#nixie