40 Year Old Heathkit Clock Hack!

Just for the Heathkit Fans! Yes, this GC-1107 Digital Clock was my very first electronic build from waaaaay back - and I have found a cool hack/mod to make the first of my projects even better than it ever was.
For further reading check out my blog Heathkit catalog posts:
Highlights of the 1979 Heathkit Catalog - http://www.frantone.com/designwritings/1979HeathkitCatalog/heathkit_catalog_1979.html
Highlights of the 1984 Heathkit Catalog - http://www.frantone.com/Heathkit_Catalog/heathkit_catalog_1984.html

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Видео 40 Year Old Heathkit Clock Hack! канала Fran Blanche