So, you may recall a few days ago in my thrifting adventures I snagged an old 70’s calculator that, after working for a few minutes failed in a flurry of smoke and heat. If not, the previous article will be shared below. https://www.xadara.com/i-got-a-vintage-70s-calculator-and-then-it-blew-up/ Well, I mentioned I would ask on the eevblog forums about what […]