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Summary: Mailbag Monday Spoilers: Dual voltage source selection circuit Casio FX-7000G the world’s first graphing scientific calculator, circa 1985. A 1989 vintage analog ohmeter. Teardown of a 450W electronic dimming module. Forum HERE
Summary: Mailbag Monday Spoilers: Dual voltage source selection circuit Casio FX-7000G the world’s first graphing scientific calculator, circa 1985. A 1989 vintage analog ohmeter. Teardown of a 450W electronic dimming module. Forum HERE