Questions tagged [internet]

The Internet is a global network connecting millions of computers. More than 190 countries are linked into exchanges of data, news and opinions.

A means of connecting a computer to any other computer anywhere in the world via dedicated routers and servers. When two computers are connected over the Internet, they can send and receive all kinds of information such as text, graphics, voice, video, and computer programs.

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ESP8266 - is it used in real industry?

I wonder if ESP8266 or similiar (ESP32 for example) modules are used often in real mass production in medical/automotive/military/households industries. I see many DIY projects with it, but there is a better alternative for mass production? If yes…
Sławomir Kozok
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Why are non-conductive circuits designed on PCB?

This is the PCB of the network communication industry. What I know now is that after adding these redundant non-conductive circuits, the performance is improved from Cat3 to CAT5e. I really want to know what the principle is. Thank you very much.
David
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How am I getting 1 Gbps through a CAT3 cable?

My work from home office, in a difficult-to-plumb part of my house, has an existing CAT3 running to it from the main part of the house. I wanted to use a wired connection because the Wifi flakes out occasionally, but it would cost a lot to properly…
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How is fiber coupling achieved in communication?

Optical communication with (single-mode) fibers is widespread. Pretty much the complete internet backbone is based on it. However, I am wondering a bit how the light is coupled into the fibers. Coupling light into a single-mode fiber is a difficult…
cakelover
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Low-Power Video Transmission for IoT

I am currently developing an apparatus for feeding and monitoring my dog remotely. The basic idea is to make this using 2 main components: The first component will be composed of a camera pointing to my dog's plate and a microcontroller with a…
DSte
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How does Internet communication work on a coaxial cable?

In buildings, it is common for the same cable (coax) to be used for pay-TV and the Internet. It makes sense that I can transmit several TV channels on the same cable, since it can be modulated by the frequency and sends them. However, in Internet…
mrlucasrib
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Send REST PUT Commands from ESP8266

I am interested in using an ESP8266 to power a physical interface for a network connected device. The device itself supports REST commands, but I am not quite sure how to send PUT requests from the ESP8266. Right now, I am able to use the device's…
Hari
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Is this how cable networking works?

I am studying about how cable networks transmit data to various TV channels on our TV screen. It is fascinating to see how they work. After studying different articles online, I have made points as to how the process works. There is no single…
S.M.T
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Integrating an Altair module with an Arduino

As a disclaimer, I have experience with Arduinos and Raspberry Pis, but I know embarrassingly little about electrical engineering and anything beyond the basics. Most of my previous projects consisted of attaching/soldering pretty big high-level…
Daniel
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Ways to connect Arduino / Microcontroller to the Web?

What are the best ways to connect an Arduino or a microcontroller (PIC...) to Internet/Web. I would like to be able to send and recieve information from the Arduino/PIC to the Web and vice-verse even if there is no WiFi around. Maybe connecting to…
joro.jur
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How are higher dimensional sphere packings used in signal transmission?

How are higher dimensional sphere packings (HDSPs) related to the error-correcting codes used by cell phones, space probes and the Internet for signal communication through noisy channels? HDSPs strike me as super abstract objects and I'm having a…
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WiFi modules only doing PHY and Data Link Layer

Problem Statement: Need a WiFi module that implements just "Data Link Layer Protocol" after taking in data serially. I am trying to implement all the stacks(Application Layer, Transport Layer and Network Layer) except for the Data Link Layer. All I…
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Which temperature sensor is rugged one and can measure high temperature?

This is my first question on Electrical Engineering forum. I am preparing an IoT system for rugged and extreme conditions with Raspberry Pi and Arduino. The requirements for this sensor are as follows, 1) should work for high temperature (200+…
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Can I attach a micro USB adapter at the end of Cat 6 cable?

I am installing underground Cat 6 cable everywhere in my house - for internet, CCTV and telephone. I want to keep the option of replacing my CCTVs with a WiFi-based camera (like Mi camera) at a later point. Those cameras have a micro USB port for…
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RJ11/RJ45 power surge protection

I have a case where phone landline is above the ground and when lightning strikes it hard, the internet modem and router gets damaged, including devices connected to it. I was wondering what would be essential components of some sort of surge…
Mike
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