Chinese Brokers

Started by Ricky in sci.electronics.design6 days ago

Chinese brokers should be avoided at all costs, unless they are the difference between making a product and money, or not making the profit and...

Chinese brokers should be avoided at all costs, unless they are the difference between making a product and money, or not making the profit and money. Some vendors will cooperate with various mechanisms to protect both parties, and some won't. Typically, this is because they don't actually hold the inventory, but are just a middleman for whoever does hold the product. I hav


Qualcomm Quick Charge detecting compatible devices

Started by Pamela in sci.electronics.design7 days ago 5 replies

How does Qualcomm Quick Charge sense the presence on another compatible device. Isit looking for voltahe on certain USB pins?

How does Qualcomm Quick Charge sense the presence on another compatible device. Isit looking for voltahe on certain USB pins?


OT posts? How about shunning them as a solution...

Started by John Robertson in sci.electronics.design1 week ago 6 replies

Once in a while I get tired of all the OT posts by folks that seem to think we have no news sources of our own. The noise to signal ratio...

Once in a while I get tired of all the OT posts by folks that seem to think we have no news sources of our own. The noise to signal ratio here has certainly increased in the last month or two... I'd ask that only subjects aligned with the newsgroup heading are appropriate or responded to but these characters think someone is interested IF they get replies. Nuf said. John :-#(# ...


Space Conquest Plan: Alternative for Humanity and Elites

Started by Skybuck Flying in sci.electronics.design1 week ago

Space Conquest Plan: Alternative for Humanity and Elites https://youtu.be/5idtUu9OSzU version 0.01 created on 25 june 2022 by Skybuck...

Space Conquest Plan: Alternative for Humanity and Elites https://youtu.be/5idtUu9OSzU version 0.01 created on 25 june 2022 by Skybuck Flying What do the elites want: 1. Eternal Life Problem: 1. Earth is too small. 2. Moore's law will run out soon. 3. Medical/biological invention for eternal life, obviously planet earth is going to be over populated. 4. If this biological...


OT: If US Democrats and neocons hate Russia, why not produce more gas?

Started by John Doe in sci.electronics.design1 week ago 58 replies

Europe is still sucking on Russian oil pipes, and Russia's oil revenues are up 50%. If our current administration, and most of Washington...

Europe is still sucking on Russian oil pipes, and Russia's oil revenues are up 50%. If our current administration, and most of Washington politicians hate Russia so badly, why not produce more oil? Because... Washington politicians just want to enrich the military-industrial complex, its investors, and its bribe takers (themselves), at the expense of American taxpayers. They know Uk...


OT: lightweight electric bike

Started by John Doe in sci.electronics.design1 week ago 83 replies

Just finished another drill powered electric bike. This one weighs 22 pounds, half the weight of a light eBike. Being drill powered also makes...

Just finished another drill powered electric bike. This one weighs 22 pounds, half the weight of a light eBike. Being drill powered also makes it versatile and easy to service. Being drill powered might be visually incorrect, but in real life I've gotten only compliments, like from several people just a few minutes ago when out front testing it. Was trying to get it below 20 pounds but...


(PDF) Recombinant Virus Vaccines - Methods and Protocols by Ferran

Started by hester holt in sci.electronics.design1 week ago 5 replies

This is the PDF eBook version for Recombinant Virus Vaccines - Methods and Protocols by Ferran (Download link for cheap...

This is the PDF eBook version for Recombinant Virus Vaccines - Methods and Protocols by Ferran (Download link for cheap price) https://booksca.ca/library/pdf-recombinant-virus-vaccines-methods-and-protocols-by-ferran/


roll your own?

Started by RichD in sci.electronics.design1 week ago 3 replies

I recall working at a company making high precision manufacturing equipment, for semiconductor fabs. At one meeting, an engineer announced he...

I recall working at a company making high precision manufacturing equipment, for semiconductor fabs. At one meeting, an engineer announced he wanted to design a custom motor, for a particular project. I wasn't involved in that, don't know the specs. But I wondered, and still wonder, what would be the requirement for a custom design? From a system perspective, my view of 'motor ...


another board P939

Started by John Larkin in sci.electronics.design1 week ago 23 replies

Got my boards today. We always ask for a "solder sample" to admire; it's not guaranteed to be functional. This one has some ugly traces on the...

Got my boards today. We always ask for a "solder sample" to admire; it's not guaranteed to be functional. This one has some ugly traces on the bottom. Maybe they did that on purpose. https://www.dropbox.com/sh/ias1388kbfrednn/AACsZ0p4dN4ez90yLFVCasl6a?dl=0 The plugin MicroZed board does the hard work. -- If a man will begin with certainties, he shall end with doubts, but if he w...


eMMC ECC field?

Started by Buzz McCool in sci.electronics.design1 week ago 6 replies

Anyone here knowledgeable about eMMC memory? I have a high reliability application where there is concern about memory corruption. What would...

Anyone here knowledgeable about eMMC memory? I have a high reliability application where there is concern about memory corruption. What would happen if I changed the ECC field in the eMMC's Card Specific Data (CSD) register from the default no ECC to the optional BCH(542,512) encoding? Would I still be able to write/read new values to the eMMC normally with the eMMC internally protectin...


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