ePanorama.net

All about electronics and circuit design

AV disaster: PowerCON plugged

No audio signal. Only humming. This is how 6.3 mm plug and PowerCON meet. There are XLR and Speakon combo connectors designed for things like this. But this is PowerCON connector designed to carry mains power. Read more on PowerCON at https://www.epanorama.net/newepa/2018/10/01/powercon-connector/ Fortunately the 6.3 mm plug here only connects to the center ground pin.

Electronica 2022

The electronica trade fair in Munich is just about to start. Electronica 2022 is the world’s leading trade fair and conference for electronics November 15–18, 2022 at Trade Fair Center Messe München Germany. After a four-year break, electronics professionals gather in Munich for the Electronica trade fair. Expectations are high for both companies and visitors.

Component cross references

Here are links to some useful electronics component cross references: SMD Cross reference https://www.electronica-pt.com/db/smd.php Electronics component information search at www.epanorama.net https://www.epanorama.net/cgi-bin/semi.cgi

Friday Fun: Worst Science Stock Photo Ever Contest Crowns Winner

Worst Science Stock Photo Ever Contest Crowns Winner https://www.iflscience.com/worst-science-stock-photo-ever-contest-crowns-winner-65801 A lot of the time it seems like the general public is unaware of how scientists spend their average day. This is particularly evident when it comes to stock photographers, with some particularly hilarious results.

GeoGebra

GeoGebra (a portmanteau of geometry and algebra) is an interactive geometry, algebra, statistics and calculus application, intended for learning and teaching mathematics and science from primary school to university level. It is nice that it works on your browser without installation using multiple languages including Finnish. That’s the way I tested it by going to