Electrical Engineering Stack Exchange
Electrical Engineering Stack Exchange

Questions tagged [server]

16 questions
10
votes
2 answers

Command line interface for KiCAD

Is there a way to produce Gerber files from command line in KiCAD (Linux/Unix) or a tool which can do it for me? The same question for SPICE netlist and BOM xml? I need it to automate this process within a CI-pipelie. GUI is not useable here.
Jan Rosum
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3
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1 answer

MQTT Broker vs Server

I am trying to learn MQTT technology. What I understand so far, is that MQTT is based on a 'Broker' that does the 'Publish and Subscribe' of messages and topics. I wonder if it's another name for 'Server' in common terms? If it's like that, then why…
scico111
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2
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1 answer

Altium Designer Libary Ref Field Missing

I'm trying to create a MySQL database for my Altium company library. I've created a MySQL database with utf16 encoding that contains tables for each category of components. Here is an example table: CREATE TABLE `Amplifiers - Audio` (`Comment`…
Mackenzie Goodwin
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2
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2 answers

'Jump starting' Lite-eon Server Power Supply

I have a LITEON Server PSU which I would like to use for an electronics project. For the PSU to 'start up' I assume I need to connect a certain combination of the small pins (that can be seen on photo 2) together (similar to how one 'jump starts' an…
Maarten -Monica for president
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1
vote
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Hardware based PWM fan solutions

HPE DL360P’s love to run these fans (8x of them) at max speed. I don’t really need them all running, but wasn’t sure if dummy plugs to just trick the motherboard was a good idea. Wiring length and cable flexibility on the 6 pin connector is in short…
LunarLaurus
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2 answers

DIY Computer UPS - Smoothing DPDT Relay 80ms Cutover

I was shopping for a small UPS for my home networking lab closet; total load under 300w at 120v. But then realized I have a spare AGM car battery, 12v solar panel maintainer and 12-120v sine wave inverter. So I'm DIY home brewing up a project. I…
Neil
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1 answer

Implementing TCP/UDP servers with multiple connection in a microcontroller paradigm

I'm facing an ethernet project design based on STM32F207 MCU. The firmware runs a server (TCP or UDP servers) that is constantly asked by 1 to 10 clients. Request and answer payload are less than 20 bytes. Before the custom PCB was produced the…
Suvi_Eu
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ESP32-S3 BLE multiple servers connect to one client at a time

I am working with ESP32-S3 module on Arduino IDE.I need to connect to multiple BLE servers to one client and able send and receive data from client to all servers at a time. I tried connecting multiple servers to client but they are not connecting…
Sireesha
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1 answer

Real time server monitoring

First of all, I hope I am posting my question on the right place. I am looking forward to any possible advice. I am using a Dell server (model: PowerEdgeR710) and I saw that on the LCD panel the current power consumption is being displayed. I am…
Alessandro Giaco
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0
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3 answers

Do data centers use single phase or 3 phase to power their infrastructure?

3 phase is more efficient than single phase for converting AC to DC; since after rectification stage the signal requires less regulation. Do some data centers use 3 phase power to take advantage of this efficiency? If so, are the energy savings…
user148298
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4 answers

Do usb and vga controllers consume power if there are not devices connected to them?

Let's consider the following situation. There is a server, for example supermicro, that has 4 USB2 ports, 4 USB3 ports, and 2 VGA ports. At the same time we don't use these ports, I mean there are no devices connected to them. Do these ports consume…
Pavel_K
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1 answer

Download a file from web browser to Micro SD card

I am trying to do a web server to store a file (mostly MP3) on a Micro SD card. I have stm32f407-discovery and w5500 and a Micro SD card reader (unbranded manual pcb drawed). How can I open a web server with w5500? How can I write files on the…
Cem öztaş
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1 answer

send data to server using GET method and sim900a

I am trying to send my data to HTTP server using GET method. When i am sending some hardcoded data manually it is getting stored in database…
Kumkum barik
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0
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2 answers

TCP data vs HTTP data over GSM modem

I am using M95 GSM Modem for remote data communication with the server. The server-end persons want me to use HTTP data connection. Another embedded guy has suggested to use sockets and TCP data for communication. I cannot figure out if both of…
alt-rose
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1 answer

Synchronizing oscilloscope to reference time

Consider a lab that contains an NTP (network time protocol) time server that synchronizes events between multiple workstations connected to the same network. I have a Tektronix DPO4034 oscilloscope that features an ethernet port. Would it be…
pr871
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