// //

EEVblog #643 – Mailbag


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

About EEVblog

Check Also

EEVblog 1623 – Electronex 2024 Walkthrough

Walkthrough of the 2024 Electronex trade show in Sydney. Forum: https://www.eevblog.com/forum/blog/eevblog-1623-electronex-2024-walkthrough/ Podcast: Download