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OT Recompiling GCC libraries in MinGW environment

Started by Martin Brown in sci.electronics.design7 months ago 6 replies

One of my codes has been ported to GCC and whilst it is well behaved and fully optimised in tests on other people's Linux systems I have a...

One of my codes has been ported to GCC and whilst it is well behaved and fully optimised in tests on other people's Linux systems I have a minor problem when compiling it x64 on my own Windows 11 box under MinGW. It all compiles fine and code generation for my own code is properly optimised AVX2 or SSE, but the calls to numerical system library functions are all using legacy x87 instr...


telephonic Tone and Probe schematic

Started by Bartolomeo Pestalozzi in sci.electronics.design7 months ago 13 replies

Hello, I am looking for an electric schematic of a telephonic Tone and Probe. Professional instrumet are like...

Hello, I am looking for an electric schematic of a telephonic Tone and Probe. Professional instrumet are like this: https://www.fluke.com/en-us/product/network-cable-testers/copper/pro3000f60-kit I don't have the pretension nor the ambition to make a similar project. I would like to build a simple object to identify the stremity wires. Thank you Umberto


Tracking bug report frequency

Started by Don Y in sci.electronics.design7 months ago 39 replies

Anyone else use bug reporting frequency as a gross indicator of system stability?

Anyone else use bug reporting frequency as a gross indicator of system stability?


OT: Insurance rates

Started by Don Y in sci.electronics.design7 months ago 6 replies

From : "That would have pushed his monthly rate up to around $420 unless he reduced his coverage" $5K/yr for *car* insurance??? WTF!

From : "That would have pushed his monthly rate up to around $420 unless he reduced his coverage" $5K/yr for *car* insurance??? WTF!


Third party window drivers

Started by m syadoz in sci.electronics.design7 months ago

Microsoft to kill off third-party printer drivers in Windows https://www.theregister.com/2023/09/11/go_native_or_go_home/

Microsoft to kill off third-party printer drivers in Windows https://www.theregister.com/2023/09/11/go_native_or_go_home/


NPN in unusual quadrant

Started by John Larkin in sci.electronics.design7 months ago 45 replies

Imagine an NPN transistor. Ground the emitter and connect the collector to some nice positive voltage. Now pull the base negative, through a...

Imagine an NPN transistor. Ground the emitter and connect the collector to some nice positive voltage. Now pull the base negative, through a current-limiting resistor. What happens?


Grid and Electric Vehicles

Started by Dean Hoffman in sci.electronics.design7 months ago 74 replies

A roughly 16 minute video on the added load of using EVs instead of fossil fueled vehicles in the U.S. One comment is the load at home would be...

A roughly 16 minute video on the added load of using EVs instead of fossil fueled vehicles in the U.S. One comment is the load at home would be about like running a vacuum cleaner 24 hours per day. The guy is talking about a 30% higher load if all cars are EVs. He didn't mention trucks.


Kill LED lamp flicker

Started by Mike Monett VE3BTI in sci.electronics.design7 months ago 56 replies

I recently changed the overhead fluorescent lamps for LED replacements. Very soon, I noticed they were flickering a lot more the the old...

I recently changed the overhead fluorescent lamps for LED replacements. Very soon, I noticed they were flickering a lot more the the old fluorescents. They flicker on the slightest line disturbance, from someone turning on a microwave to who knows what outside the building. It turns out the bandwidth of LEDs is much higher than gas lamps. Good to know if you're in the spying busine...


Flir DM166

Started by Martin Rid in sci.electronics.design7 months ago 6 replies

Interesting dvm https://www.flir.com/products/dm166/ Cheers -- ----Android NewsGroup...

Interesting dvm https://www.flir.com/products/dm166/ Cheers -- ----Android NewsGroup Reader---- https://piaohong.s3-us-west-2.amazonaws.com/usenet/index.html


This Was Real

Started by Ricky in sci.electronics.design7 months ago 4 replies

https://www.youtube.com/watch?v=t8tdmaEhMHE -- Rick C. - Get 1,000 miles of free Supercharging - Tesla referral code -...

https://www.youtube.com/watch?v=t8tdmaEhMHE -- Rick C. - Get 1,000 miles of free Supercharging - Tesla referral code - https://ts.la/richard11209


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