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.

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Can I use Powerline WiFi Extenders for long distance wifi extention? [migrated]

Say the distance between home 1 and home 2 is 80 meters. Home 1 has good internet. I want to extend this internet to home 2 using the below device TP-Link AV600 300Mbps Powerline Wi-Fi Extender ...
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1 vote
2 answers
85 views

Is this how cable networking works? [closed]

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 ...
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14 votes
5 answers
7k views

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 ...
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1 answer
57 views

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 ...
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2 answers
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How can Google Fiber make a difference since most of the mediating wires out there are copper?

Optic fiber sends more data more quickly. But if you look at the Google Fiber map you will see that only the local connections are optic. The rest of the world is almost entirely copper, right? So won’...
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2 answers
380 views

How does ISP cut the customer's internet access technically?

We know that if we fail to pay our internet bill then our internet access will be cut. But how does the ISP technically cut the access? For wired internet, do they just shut down the port where the ...
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-3 votes
2 answers
49 views

Receiver for Internet data [closed]

Can we use the same technology we use for radios to create a receiver which would catch Internet data? Can we build a receiver which would be connected directly to the satellites? And if those are not ...
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0 votes
1 answer
39 views

Project Considerations: From POC to Consumer product [closed]

I come to you for advice. I am a software engineer with some background in electronics, since I studied mechatronics engineering. However I would say that my experience with electronic projects has ...
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2 answers
76 views

What is meant by downstream bandwidth in lte?

In my phone, it says that the downstream bandwidth of LTE is 10Mhz. But if a carrier frequency of 900Mhz has a bandwidth of 20Mhz, i.e., frequency ranges from 900Mhz to 920Mhz, then I have almost half ...
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0 votes
1 answer
45 views

What is the relation between bandwidth and data rate?

If I have a 20Mhz bandwidth provided by my 2.4ghz router then will my internet speed will be 20M symbols per sec which is equal to 20×4= 80Mbps (considering 16 qam modulator with 4 bits per symbol) Is ...
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1 vote
1 answer
49 views

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 ...
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0 votes
1 answer
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Are there any disturbances caused by wire of socket which not being used?

Let's say there external wiring that lead to AC power socket. Are there any electromagnetic field or something from the wire if the socket isn't used at the moment (nothing plugged in). What if ...
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1 answer
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Limit of internet speed over air medium calculation? [closed]

What is the maximum internet possible limit via air medium.How do we calucate maximum speed limit of data transfer via air . Is there any formula for this ?
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1 answer
55 views

What is the smallest component to send HTTP requests on the Internet? [closed]

I want to build a GPS tracker to put on my bike and I would like to use the smallest components to do it. The idea is to send the GPS coordinates to an HTTP server every minutes. The problem is all ...
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2 votes
3 answers
3k views

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 ...
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-1 votes
1 answer
33 views

What are cost-effective and ways of providing global communication between two devices besides internet and SMS?

I am currently in the process of building a system which allows vehicles to send information back and forth with an Arduino. The main problem I am facing right now, is that the current implementation ...
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1 vote
1 answer
48 views

Ways to connect Arduino / Microcontroller to the Web? [closed]

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 ...
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0 answers
544 views

Problem in connecting to a server waiting for a TCP request using ESP8266

I'm using ESP8266 for connecting to a appspot-preview.l.google.com server which listens for TCP request and answers back a number (it's for training purposes). ...
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1 answer
77 views

Auto Configuring Circuit Routing

This may be a little hard to understand. I have little knowledge in electronics, but I had an idea about optical fiber for data transfer, as far as I understand, ports/inputs/terminals/pins must be ...
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1 vote
2 answers
64 views

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 ...
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  • 119
-1 votes
1 answer
69 views

Why sometimes I have voice but no data on a GSM network? [closed]

From what I understand, both voice and data are using the same antenna (At least 3G). Sometimes in a remote area, I have plenty of signal but no data service. Is it possible some cell towers don't ...
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1 vote
1 answer
381 views

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 ...
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0 votes
1 answer
67 views

What's the best way to create an IoT services startup? [closed]

Let's say I want to create my own apps for specific applications of IoT. What are the best kits for this kind of project that I could sell with my apps? It's okay to use a development kit? Thanks.
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17 votes
4 answers
12k views

ESP8266 - is it used in real industry? [closed]

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 ...
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2 votes
1 answer
2k views

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 ...
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0 votes
1 answer
706 views

Issue of data posting in GSM over the GPRS from when use Different service provider

I'm using Telit's HE910 GSM Modem To Post The data on web-server. so i'm using different company service provider SIM Card to test the data posting from different service provider. In this case when i'...
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0 votes
1 answer
496 views

GSM Data Post Over the GPRS Using GSM Modem [closed]

I'm using GSM Modem To post the data over the GPRS for specific website. when i'm posting the data using VODAFONE IN (APN: www) Sim card it pos the data in i'm recieved HTTP 200 ok Response But ...
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1 vote
1 answer
132 views

Which temperature sensor is rugged one and can measure high temperature? [closed]

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,...
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0 votes
1 answer
77 views

Device-to-device/machine-to-machine wifi IoT system -- pushing message/action to a connected device

I am not sure if this is the best community for this question, but I couldn't find one dedicated to IoT. Or should I ask on StackOverflow? I am looking to build the following IoT system using WiFi ...
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-2 votes
2 answers
166 views

Since it is possible to get high quality streaming video via a regular TV antenna, why can't we also get broadband internet that way? [closed]

I just bought an over-the-air antenna for my TV, and I am getting very clear and high quality video for at least 20 channels. It occurred me that if the over-the-air communication mechanism is capable ...
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3 votes
1 answer
508 views

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 ...
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