The Great Search: Miniature Ferrite Core Ring (Toroid) #TheGreatSearch #DigiKey @digikey @Adafruit
Channel: Adafruit Industries
Date: 29/03/2022

We were flipping through a cool old book on how computers were made and there was a section on 'core memory'. This is how data was stored dynamically on computers before capacitive-based RAM. Instead of storing a charge on a transistor's gate, the flip of a ferromagnetic core in a grid could store a single bit. Some folks make core memory for fun now - you just need some enameled wire and miniature ferrite cores! While the ultra-tiny rings of yore are no longer made, you can still get some pretty small toroids. Let's see what's available at Digi-Key!

Computers: Their History and how They Work by Richard B. Rusch (1969) https://awfullibrarybooks.net/ye-olde-computer-book/

See on Digi-Key at https://www.digikey.com/short/3md320f9

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