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Back to the future - of 1985!  I got a very vintage talking scale at the thrift shop and I'm anxious to see what's inside...

Hank Lives - https://www.youtube.com/watch?v=mRer1lH3Ryo

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1985 Talking Scale Teardown

Back to the future - of 1985! I got a very vintage talking scale at the thrift shop and I'm anxious to see what's inside... Hank Lives - https://www.youtube.com/watch?v=mRer1lH3Ryo Join Team FranLab!!!! Become a patron and help support my YouTube Channel on Patreon: http://www.patreon.com/frantone Send your cards, letters, or any stuff you feel is worthy for sharing on Viewer Mail: Frantone PO Box 14024 Philadelphia, PA 19122 - Music by Fran Blanche - Frantone on Facebook - https://www.facebook.com/frantone/ Fran on Twitter - https://twitter.com/contourcorsets Fran's Science Blog - http://www.frantone.com/designwritings/design_writings.html FranArt Website - http://www.contourcorsets.com

Comments

Kadah

The dial reader is likely a quadrature encoder that uses 2 optical sensors at an offset, this would allow it to count ticks on the dial but also direction. Either one of the CD chips is a quadrature counter with A and B inputs instead of UP/DOWN (given the age, maybe not), or one CD chip is a quadrature decoder and the other is a standard up-down counter. Quadrature decoders and counters are somewhat special and now rare, single chip magnetic encodes have mostly taken over most use cases.

Anonymous

I see there is a missing button, the button that was used for those who were lying about their weight. Try using Microsoft www.bing.ca there is some info to be found there about the chips.

Anonymous

Eeew! That thing is feral.... Super Hospital grade germ eradicator needed. I'm thinking at least 2Lt. Or maybe sheep dip!