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Single point thermal imaging camera made of infrared thermometer

Started by darius in sci.electronics.design9 months ago 12 replies

Single point thermal imaging camera made of infrared thermometer Let me know your opinion and experience since high resolution thermal imaging...

Single point thermal imaging camera made of infrared thermometer Let me know your opinion and experience since high resolution thermal imaging cameras are still expensive so I plan to build a single point thermal imaging camera supported by mosaics scanning mechanics to get high resolution thermal imaging thank you


Scientists make non-toxic quantum dots for shortwave infrared image sensors

Started by jim whitby in sci.electronics.design9 months ago 2 replies

More bs? https://www.nature.com/articles/s41566-023-01345-3

More bs? https://www.nature.com/articles/s41566-023-01345-3


Satellite Radiation Dose Rate

Started by Artist in sci.electronics.design9 months ago 4 replies

I am seeking data on what radiation doses electronics on a satellites get in both low, and high, earth orbits. I need this in units of Gray...

I am seeking data on what radiation doses electronics on a satellites get in both low, and high, earth orbits. I need this in units of Gray (Gy), or rem. I know radiation exposure will change depending on Solar Cycle Phase, and the orbit, especially if polar, and also when passing over the South Atlantic Anomaly, and shielding. What I need is typical exemplar data for a short mission ...


using a pi 400 to debug a pico

Started by john larkin in sci.electronics.design9 months ago 20 replies

The Raspberry Pi pico has its 3-pin SWD debug port. I'd like to connect it to the 40-pin header on the back of the Pi400, to use the 400 as the...

The Raspberry Pi pico has its 3-pin SWD debug port. I'd like to connect it to the 40-pin header on the back of the Pi400, to use the 400 as the dev/debug platform for some RP2040-based boxes. Has anyone done this? What Pi400 pins connect to the SWD port? Googling doesn't help. I have the RP400 Beginners Guide book and it doesn't mention doing this. Anybody have links about doing this? ...


HV power supply maybe

Started by john larkin in sci.electronics.design9 months ago 39 replies

There is a new-to-me power supply architecture, an H-bridge driving a load, but with the phases on the two sides slid around to...

There is a new-to-me power supply architecture, an H-bridge driving a load, but with the phases on the two sides slid around to control delivered power. TI does that in some chips, like UCC2895. I may have seen the architecture first in this ng. Anyhow, I was thinking about a high-voltage power supply with the phase-shifted bridge driving a series-resonant transformer. https://www.drop...


more modern connectors

Started by john larkin in sci.electronics.design9 months ago 8 replies

I'm doing a bunch of boxes, in this same enclosure, https://www.dropbox.com/s/43gma000fpuocyf/T130_box.jpg?raw=1 and I'd like to have all...

I'm doing a bunch of boxes, in this same enclosure, https://www.dropbox.com/s/43gma000fpuocyf/T130_box.jpg?raw=1 and I'd like to have all the boxes have an auxiliary connector, with a few analog and digital i/o's and such. I could use an ancient D9 connector, but it would use a lot of panel space. Is there a more modern, maybe circular, connector that is popular in industrial/embedded ...


Blumlein book

Started by John Larkin in sci.electronics.design9 months ago 23 replies

https://www.amazon.com/Times-Blumlein-History-Management-Technology/dp/085296773X/ This guy practically invented electronics design. And...

https://www.amazon.com/Times-Blumlein-History-Management-Technology/dp/085296773X/ This guy practically invented electronics design. And seriously helped England win WWII. He invented the cathode follower and the long-tail pair.


nuclear battery

Started by jim whitby in sci.electronics.design9 months ago 5 replies

From Tomshardware site IF this isn't BS... Somebody in the free world needs to get off their asses!

From Tomshardware site IF this isn't BS... Somebody in the free world needs to get off their asses!


mental imaging

Started by John Larkin in sci.electronics.design9 months ago 79 replies

This has been in the science news...

This has been in the science news lately. https://www.discovermagazine.com/mind/why-some-people-cant-visualize-images-and-may-dream-in-wor ds Something like one to three per cent of the population can't visualize objects. I wonder if such people can still design electronics. And maybe 10% of the population is never really in the dark. They (we) always see flashing geometric patterns, whi


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