[Heathkit] Heathkit MK5017 clock chips available

Scott Gilson scott at myhappydestiny.com
Fri Dec 26 23:13:35 EST 2025


I bought a GC-1094 clock at a Ham radio swap meet, guy said it just 
needed new caps.  It did, but the MK5017 clock chip was also bad. :-(

So, I designed a replacement using an Atmel microcontroller, and am 
selling them.

On Tindie: 
https://www.tindie.com/products/sgilson99/mk5017aa-replacement-for-heathkit-digital-clocks/

On eBay: https://ebay.us/m/npvxDb

And a video explaining how I made it: https://youtu.be/y1bNXlhA8oo

Hope this helps someone restore their GC-1094 or GC-1005.

Thanks,

Scott



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