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#electronics

240 posts160 participants4 posts today
Public
niconiconi

Just simulated a microstrip transmission line with a gap on the ground plane as an ultra-wideband antenna in FDTD. Its radiation efficiency increased from 1.6% to 8.3%. It's why you shouldn't do this... Transmit into the load, not into free space! #electronics

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Embedded Podcast

Chris (@stoneymonster) and Elecia (@logicalelegance) are diving into the dazzling world of electronic costumery with Janet Hansen (@flashingjanet).

From illuminated fashion to the art behind wearable electronics, Janet shares her journey into professional costumery and what it means to merge creativity with tech.

Join the conversation here: embedded.fm/episodes/499

Here's Janet’s take on using wireless controls in her costumes:

#art#Mudder#embedded
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Soh Kam Yung

"[T]he innovations in digital signal processing architectures pioneered at UCLA and Broadcom persist in the digital modems that enable both wired and wireless communications in our devices. For these advances, along with contributions to expanding science, technology, engineering, and math (STEM) education, [Henry] Samueli is the recipient of the 2025 IEEE Medal of Honor."

spectrum.ieee.org/henry-samuel

IEEE Spectrum · This Man Made the Modem in Your Phone a RealityBy Tekla S. Perry
#DigitalProcessing#Modems#Broadcom
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Natasha Nox 🇺🇦🇵🇸

Can someone tell me if there's a fix for this weird phenomena with metal-case laptops (could be magnesium, dunno) where, when connected to a charger, the device got this weird "haptic humming" to it when touched? Not sure how to describe it… it doesn't seem like static electricity (which would be way worse, obviously), but like the metal vibrates if you move your skin over it. Only happens if it's connected to the charger, I noticed this with different devices & chargers.
#computer #electronics

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Robin

Tinkering with an old pair of headphones to test the validity of the Bluetooth board that cost me less that €1.50
and L-ion battery charging board was even less at 46c.
The Lithium-Ion battery was free, and came from a finished and disposed of vape!

HiFi Headphones I already own, but i am testing them with a ratty old set of headphones...The sound reproduction is superb. now to build the finished product, though my Heath Robinson setup works surprisingly well

#Electronics#Bluetooth
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Embedded Podcast

Janet Hansen ( @flashingjanet ) joins us to talk about professional costumery(with electronics) and becoming an artist.

You can read the show transcript here: embedded.fm/transcripts/499.

Feel free to share your favorite quotes!

Thank you to Mouser Electronics for sponsoring the show.

Embedded499: This Is Your Problem — EmbeddedTranscript from 499: This Is Your Problem with Janet Hansen, Christopher White, and Elecia White.
#art#Mudder#embedded
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Jonatan Hildén

our hallway led lights started doing an incredibly annoying high frequency strobe flicker, but sometimes they function normally. Does someone who is good with the Elecronics know if they are broken or if it is something that can be fixed? And does this indicate some problem with the switch or wiring? These don’t have replaceable lamps. #electronics

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