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Why usb3.1 Type-C has two Dbus, RXbus and TXbus?

So I am using a camera and making it connect to a hub. The hub only has 9 pins(single Dbus, RXbus and TXbus) while camera has usb3.1 which has double if all these buses (D,RX and TX). So to connect it to a hub can I just short these two buses. What should I do? […]

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Can FPC 0.5mm cause usb 3.0 interference inside itself?

I am designing an 4-port USB 3.0 hub and using fpc 0.5mm connector to connect it to other usb devices. Will using fpc 0.5mm cable have interference because of high data rate? I am talking about the interference inside the cable itself from D+,D- to SSRX or SSTX wire. I have been reading and only […]

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Can bulged batteries under/overpower a hard drive or SSD?

My hard drive died about a year ago, and I got a new one. The new hard drive showed symptoms like my first drive from the first day. Yesterday I asked this question and found out that my current drive is failing too. I don’t think these are coincidental. I’m about to buy a SSD […]

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74f269 counter getting very hot

Hi I’m a DIY enthusiast and I got stuck with the circuit that I designed. The counter is getting very hot from the moment It’s powered up. In my setup the 330Ohm resistors at the outputs are connected to GND via a led for each resistor. (not the relays) I omitted the resistors at the […]

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Howto connect bluetooth keyboard to non bluetooth pc?

I have a bluetooth keyboard that didn’t come with a reciever. I want to connect it to my desktop pc, which doesn’t have a bluetooth adapter. Is there any way I can do it like by connecting it with bluetooth to my phone and then connect my phone and PC to the same Wifi, or […]

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Recover Excel Files when failed to save to OneDrive on shutdown

So this happened… When I shut down macOS, I have an unsaved document in Excel. I saved it to my OneDrive account, and then the system shuts down. After I restarted macOS, I opened another unrelated document in Excel. When I tried to find the document I saved to OneDrive, I cannot find it in […]

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Python says -1/80 is neither positive nor negative nor zero

I have this Python code def sign(x) : if int(x)>0 : return "+" elif int(x)<0 : return "-" else : return "Both" print(sign(-1/80)) print(-1/80<0) print(-1/80==0) which I am running on Programiz. The result returned by the "sign" function is as if -1/80 was equal to zero, but the last two lines of code say otherwise. […]

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In Windows 10, is it possible to trigger a local login from a remote computer?

Is there a way, either through SSH or an RDP connection, to force a Windows 10 machine to log in to an account locally? As in, have the PC log itself in as if someone were sitting in front of it? One way I can think of would be to create a PowerShell script that, […]

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Samba failing to authenticate

I followed this tutorial: https://www.techrepublic.com/article/how-to-set-up-quick-and-easy-file-sharing-with-samba/, but when I try to login on Windows it fails. I know I am using the right username and password.

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Identify non-duplicates and copy to new column on Excel

I have a set of two columns. Column F has a list of names of scheduled attendees. Column C uses Match & Index to pull up attendees name when they scan their badge onto column A. I am interested in columns C and F. Using conditional formatting "unique" on columns C and F, I can […]