Questions tagged [pc]

PC stands for a personal computer. It is a general-purpose computer whose size, capabilities and original sale price make it useful for individuals

13 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
1
vote
1answer
82 views

Idea for a PC bios beep buzzer

Hi I want to make a buzzer for my PC motherboard. Similar things like this: https://boip.in/home/rajiekart-pc-motherboard-internal-speaker-bios-alarm-buzzer-1-pcs-pack?gclid=...
1
vote
0answers
483 views

Devices USB grounding

I just opened a PC a client brought, with some software problems. While fixing those problems I opened the case to check if there was something that needed maintenance and I noticed the USB shield ...
0
votes
0answers
33 views

Looking for ideas: An easy way to identify a frame of VGA or DVI video?

I'm looking to make an auto-restart solution for a computer. I have a server with a BIOS that, if every slot of memory is full, automatically downgrades the speed of all the memory - it's an ...
0
votes
0answers
128 views

Add 5V bias power to use an electret microphone with XLR audio interface

I recently acquired an audio interface (Behringer UMC22) and, since it's quite a bit better than my motherboard, I'd like to connect my modmic 4 to the XLR mic input. The interface has phantom power ...
0
votes
0answers
76 views

200Ah battery for a 500W mini ITX PC

I want to make a project that allows a 500 watt PC to run on batteries for 4 hours, so it can be worn by an individual on their back. I found the below calculation to get the capacity of the battery ...
0
votes
1answer
121 views

USB Qualcomm Quick Charge 3.0 on PC (Linux Ubuntu)

As nowadays PC motherboards supports USB voltage manipulation I will ask on given example hardware/software. I am using Ubuntu 20.04 installed on machine with Motherboard Gigabyte AORUS Z390 Master. ...
0
votes
0answers
37 views

soldering new connector to pc mainboard

I know this is probably not the right forum but anyway. I have this old mainboard 01AJ155. In the picture below you can see it has two PCI x16 connections. One connector is used by my graphis card. I ...
0
votes
0answers
30 views

How can I determine the correct voltage connector in an addressable LED strip?

I found a couple of cheap Addressable RGB strips laying around and they seem to have a different connector that won't fit in the current PC ARGB controller. I cannot identify what type of ARGB module ...
0
votes
0answers
26 views

How to install Arduino Driver, if it is not discovered by pc(Win10)?

I bought an Arduino Uno on amazon, and when I connect it to my pc it is not discovered by the pc. Even if I use hdwwiz and install the driver, it says that the ...
0
votes
0answers
460 views

Can undervolting damage my laptops fans?

so I started reading a lot about undervolting etc. and tried it myself. I use a lenovo yoga 920 and I dont do any hard workloads, but the fan noises annoyed me as lenovo is known for its loud fans. I ...
0
votes
0answers
1k views

How to calculate: watts for AVR, VA (volt-ampere) for UPS

I intend to buy an AVR or UPS, and I want to add a few external HDD's & a few Mini PC's. I need to calculate how much power is used by every device so I don't overload the AVR or UPS EXAMPLE: ...
0
votes
1answer
92 views

Inrush current with capacitors connected to USB in parallel

I did a project that connected to the PC USB. When the PC is being shut down the Vcc (5 volts) is halted. But I need the voltage source to stay for extra milliseconds after the voltage halt. For that ...
0
votes
0answers
41 views

Powering PC from motor generator

Commonly there are basic motor generator sets (with or without automatic throttle to compensate for load variations) and then there are those with an inverter to produce a cleaner sine wave using ...