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Take Our 2025 EETech Engineering Insights Survey

AAC - 5 годин 26 хв тому
Join your engineering community peers and take our EETech Engineering Insights Survey 2025. You’ll get a summary of the results once they’re released. And you’ll be entered for a chance to win an Amazon card prize!

My 3$ VFD (Vacuum fluorescent display) driver

Reddit:Electronics - 6 годин 14 хв тому
My 3$ VFD (Vacuum fluorescent display) driver

I bought this display from Alibaba, and then created PCB with JLCPCB. Refresh rate 60Hz with STM32.

submitted by /u/WezJuzSieZamknij
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An e-mail delivery problem, Part 2

EDN Network - 6 годин 30 хв тому

For decades, I have used my IEEE alias address for both incoming and outgoing emails with no difficulties; however, this is no longer the case. The IEEE alias address is no longer workable for outgoing e-mails that are destined for any “gmail.com” recipient.

If I put ambertec@ieee.org in the “From” line of such an outgoing message, I get an immediate message rejection reply that looks like this:

If the content of the “From” line does not match the actual sending address, rejection occurs. In this case, the intended recipient was my own cell phone, but this kind of message comes my way when trying to send any email to any Gmail.com user.

I have neither the time nor the energy to wade into the bureaucratic techno-drivel of the “DMARC policy” or of the “DMARC initiative.” I simply cite my own experience as a signal that you and other IEEE members who read this will know that you are not alone.

John Dunn is an electronics consultant and a graduate of The Polytechnic Institute of Brooklyn (BSEE) and of New York University (MSEE).

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Nichia launches µPLS Mini and DominoPLS at ISAL 2025

Semiconductor today - 6 годин 37 хв тому
At the International Symposium on Automotive Lighting (ISAL 2025) in Darmstadt, Germany (22–24 September), Nichia Corp of Tokushima, Japan — the world’s largest gallium nitride (GaN)-based light-emitting diode/laser diode (LED/LD) manufacturer and inventor of high-brightness blue and white LEDs — is presenting its portfolio of Pixelated Light Source (PLS) solutions for adaptive driving beam (ADB) headlamps...

Lumileds’ LUXEON HL1Z Color Line simplifies multi-color LED application development with chip-scale packaging and uniform focal length

Semiconductor today - 6 годин 44 хв тому
Lumileds of Amsterdam, The Netherlands says that its new LUXEON HL1Z Color Line is a high-power, chip-scale package (CSP) portfolio of 10 direct and phosphor-converted colors that share a common focal length and footprint. Offered in small color bins and with narrow forward-voltage bins, the LEDs are said to deliver better color uniformity, better efficacy and thermal management and more consistent behavior at operating conditions...

CSA Catapult appoints Caroline O’Brien as CEO

Semiconductor today - 6 годин 55 хв тому
Compound Semiconductor Applications (CSA) Catapult has appointed Caroline O’Brien as its new chief executive officer, joining in late September...

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