Electronics Design

Input protection for 3.3V FPGA in a TTL world...

I am still working with a friend on a TTL level replacement for some chips on a pinball board and we have a nice FPGA (...

9 comments posted 4yrs

posted by spam

9 comments posted 4yrs posted by spam

Browser-based hardware design tool Flux raises $12M

Flux says its technology is supported by “all modern browsers,” requiring no downloads. The system features a simulator...

18 comments posted 4yrs

posted by bloggs.fredbloggs.fred

18 comments posted 4yrs posted by bloggs.fredbloggs.fred

Weird/smelly problem with Skybuck's DreamPC2006 and CPU fan not spinning

I did the following: 1. Replaced winfast motherboard with backup winfast motherboard. The backup motherboard is same mo...

32 comments posted 4yrs

posted by skybuck2000

32 comments posted 4yrs posted by skybuck2000

No impedance matching??

No impedance matching?? How to force photons to never bounce back: https://www.sciencedaily.com/releases/2021/10/2110131...

7 comments posted 4yrs

posted by pNaonStpealmtje

7 comments posted 4yrs posted by pNaonStpealmtje

OT: Only Murders in teh Building

We've enjoyed this "light-hearted" fare -- short, funny, engaging. I *think* next episode is last (unless a cliff-hanger...

2 comments posted 4yrs

posted by blockedofcourse

2 comments posted 4yrs posted by blockedofcourse

Captain Kirk Cried...

Bill Shatner didn't fill his diaper on the upshot. Taking a look back at Earth made him cry though. I can't believe how...

43 comments posted 4yrs

posted by DecadentLinuxUserNumeroUno

43 comments posted 4yrs posted by DecadentLinuxUserNumeroUno

Which Wednesday Night?

Wednesday Showers and thunderstorms, mainly after 1pm. High near 85. South wind 15 to 20 mph, with gusts as high as 25...

8 comments posted 4yrs

posted by Sophi.2

8 comments posted 4yrs posted by Sophi.2

Fwd: Re: AT&T Labs wave behavior machine.

> On Sun, 10 Oct 2021 19:35:03 +0200, Jeroen Belleman > snipped-for-privacy@nospam.please wrote: > >> >>> On Sun, 10 Oc...

1 comments posted 4yrs

posted by jeroen

1 comments posted 4yrs posted by jeroen

Small single-phase VFD for 120V?

Looking for a "better dimmer" to speed-control two small AC fans. They do not seem to like any kind of dimmer, fan-rate...

86 comments posted 4yrs

posted by news

86 comments posted 4yrs posted by news

Android Auto Crapped Out

I find GPS navigation to be essential in Puerto Rico because of the few street signs. Both Google maps and Waze had wor...

5 comments posted 4yrs

posted by gnuarm.deletethisbit

5 comments posted 4yrs posted by gnuarm.deletethisbit

OT Aztec Cave Beans

The possibly true legend is that these were found in a cave and carbon dated back 1500 years and were still viable. htt...

26 comments posted 4yrs

posted by jlarkin

26 comments posted 4yrs posted by jlarkin

Motion in support or reject EV charging chip reader?

Again: "Cost - $700 million in costs could slow EV charger deployment across California. By CARB’s own calculation, an...

90 comments posted 4yrs

posted by edward.ming.lee

90 comments posted 4yrs posted by edward.ming.lee

AHa: Quantum-circuit black hole lasers

Quantum-circuit black hole lasers genral idea: https://www.sciencedaily.com/releases/2021/10/211008105741.htm paper: ht...

0 comments posted 4yrs

posted by pNaonStpealmtje

0 comments posted 4yrs posted by pNaonStpealmtje

debugging at 3AM

We need to make pulses from -5 to +10 volts, and brainstormed this yesterday afternoon: https://www.dropbox.com/s/t0k6v...

20 comments posted 4yrs

posted by jlarkin

20 comments posted 4yrs posted by jlarkin

Python application for running test equipment

Hi I did my first Python application today. A simple application that controls my test equipment to do characterization...

10 comments posted 4yrs

posted by klauskvik

10 comments posted 4yrs posted by klauskvik