Electronics Design

Dummy Load for Laser Driver Development

Gentlemen (IOW not you, Bill), I've got a bunch of green laser diodes which are specified for 370mA current draw. I've...

6 comments posted 7mos

posted by cd

6 comments posted 7mos posted by cd

cool dc/dc things

https://www.ti.com/product-category/power-management/dcdc-modules/isolated/products.html These things are tiny, cheap,...

12 comments posted 7mos

posted by jl

12 comments posted 7mos posted by jl

Pressure (air) sensor best practices

Any pointers regarding deployment of pressure sensors measuring air pressure? I'm looking at nominally an inch of water...

12 comments posted 7mos

posted by blockedofcourse

12 comments posted 7mos posted by blockedofcourse

GR Experimenters

https://www.worldradiohistory.com/Archive-Company-Publications/General_Radio_Experimenter.htm There was the HP Journal...

12 comments posted 7mos

posted by jl

12 comments posted 7mos posted by jl

Season's Greetings!

Gentlemen, It's 'that' time of year again and we've had some heated debates on this group over the last 12 months, both...

16 comments posted 7mos

posted by cd

16 comments posted 7mos posted by cd

Chinese EUV

https://finance.yahoo.com/news/exclusive-china-built-manhattan-project-141758929.html Lots of ebay stuff, I suspect. Joh...

46 comments posted 7mos

posted by jl

46 comments posted 7mos posted by jl

new power supply architecture

https://www.electronicdesign.com/resources/ideas-for-design/article/55339913/analog-devices-regulation-loop-without-a-r...

34 comments posted 7mos

posted by jl

34 comments posted 7mos posted by jl

Italian Expedition to the Planet Mars

It's now clear that arthritic rocket-powered astronautics lack the physical means to colonize either Mars or the Moon....

4 comments posted 7mos

posted by user2039

4 comments posted 7mos posted by user2039

driverless fun

https://www.sfgate.com/bayarea/article/waymo-temporarily-suspends-service-sf-amid-power-21254917.php John Larkin Highlan...

0 comments posted 7mos

posted by jl

0 comments posted 7mos posted by jl

Christmas Quiz 2025 [OT]

The Christmas Quiz 2025 is now available for download at: http://www.poppyrecords.co.uk/quiz.htm As usual it follows a t...

4 comments posted 7mos

posted by liz

4 comments posted 7mos posted by liz

semiconductor mag

https://secure.viewer.zmags.com/publication/5d3e6be3#/5d3e6be3/1 I read a bunch of online electronics mags, mostly to s...

8 comments posted 7mos

posted by jl

8 comments posted 7mos posted by jl

PWM shunt regulator

https://www.dropbox.com/scl/fi/i0s6oxr36eu6nks5hsucq/Dumper6.jpg?rlkey=awek8liwwfooq8vbrtxlexdic&raw=1 I have a 48 volt...

70 comments posted 7mos

posted by jl

70 comments posted 7mos posted by jl

Re: [OT] listserv recommendations

> >> I am in the process of learning electronics for homebrew >> applications. While this NG will likely serve as a lea...

5 comments posted 7mos

posted by me

5 comments posted 7mos posted by me

Re: Repurposing TVs

> I repair a lot of LCD/LED TVs -- to keep them from the land fill. > > But, there are only "so many" people/places you...

14 comments posted 7mos

posted by Jeff

14 comments posted 7mos posted by Jeff

terminal posts / connectors for deadbug

I started playing around with deadbug and found that it is convenient and not as difficult as I imagined. However, I am...

45 comments posted 7mos

posted by christopher

45 comments posted 7mos posted by christopher