EEVblog #643 - Mailbag

Channel:

EEVblog

Subscribers:

974,000

Published on July 22, 2014 12:39:01 PM ● Video Link: https://www.youtube.com/watch?v=UpEbY6tsKzM

Category:

Vlog

Duration: 44:36

59,967 views

1,915

Mailbag Monday

Spoilers:
Dual input power selector circuit, the Pow-OR:
https://github.com/MouseBiteFever
Casio FX-7000G the world's first graphing scientific calculator, circa 1985.
A 1989 vintage analog ohmeter.
Teardown of a Clipsal 32E450UDM 450W electronic dimming module.
http://www.clipsal.com/Trade/Products/ProductDetail?catno=32E450UDM
www.infineon.com/dgdl/SPP_I_A20N60C3_Rev.3.0.pdf

Forum: http://www.eevblog.com/forum/blog/eevblog-643-mailbag/

EEVblog Main Web Site:
http://www.eevblog.com
EEVblog Amazon Store:
http://astore.amazon.com/eevblogstore-20
Donations:
http://www.eevblog.com/donations/
Projects:
http://www.eevblog.com/projects/
Electronics Info Wiki:
http://www.eevblog.com/wiki/