TCP/IP is the suite of protocols used by the Internet and in many other networked systems. Please ensure questions fit within the scope of the site and do not relate to general protocol or networking questions.

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42 views

AVR Embedded Webserver + Time

I have the task of implementing an embedded webserver (using ATMega328). Broadly, the system would provide the following functionality Allow user to change system parameters using the web interface ...
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1answer
104 views

Losing sensitive data when trying to send them via GSM

I am working on a system which collects data from a set of ultrasonic sensors. Those sensors work at 40Hz frequency, and each data they send are valuable to me. I need to send those data to a mqtt ...
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1answer
180 views

TCP/IP stack library for ST microcontroller

I'm looking for a free function library, that implements TCP/IP stack for STM32F103CBT7 (Cortex M3) microcontroller. The datasheet of this controller is following: ...
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2answers
85 views

Probing/monitoring ethernet traffic? [closed]

I'd like to monitore my home network for suspicious traffic. The simplest option would be my small switch, which allows to forward each and any traffic to a monitoring port. But that's too easy... ...
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1answer
49 views

Frame Size and Function

With regards to Ethernet frames, the typical maximum size is 1500 bytes. Jumbo frames brought this up to 9000 bytes, and there was even some Super Jumbo Frames of sizes larger than that. What factors ...
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1answer
210 views

512 channel LED strip controller over RJ45 (TCP or UDP based commands)

How would you make the following? I'm looking for a 512 channel LED strip (varying size) dimmer, controlled over TCP/IP or UDP. My dream board has: 512 individual channels @ 12V Each channel ...
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1answer
188 views

Modbus TCP/IP slave - functions

I'm developing a slave modbus TCP/IP application on the PIC32 platform. Do you have any idea about the the role of the ...
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0answers
56 views

Enable SNTP in PIC32MX795F512L

How to do to enable SNTP in PIC32MX795F512L? Here i am using TCP/IP Stack Version 5.36. I have just defined #define STACK_USE_SNTP_CLIENT any more things to do ...
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1answer
52 views

Optimizing a Daisy Chained Asymetrical Wireless Radio Connection

I asked this question in network engineering but it has failed to get any responses, so I have brought it here for the wider EE community just in case anyone can speak authoritatively on the subject. ...
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1answer
345 views

Using Temac Core - XIilinx Virtex 5 board

I intend to send data packets from my PC to a Virtex-5 board over ethernet cable. I found three ways to achieve this -- 1. Use the Microblaze processor core, using the EDK and SDK tools. (However, It ...
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1answer
125 views

Communication Speed, Tcp/Ip vs Serial [closed]

'm using a turnstile using TCP/IP Communication(RJ-45 cable) with my application. And it's taking about 20minuts to finish some functions (Like: Selects in the database, and set some configuration of ...
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1answer
55 views

Are Data Cards simply L1 (Physical Layer) Devices?

I was just wondering, how many levels of the TCP/IP (OSI) Stack reside within a modem or a 3G data card and other similar networking devices? These devices do have a physical (MAC) address, which ...
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3answers
1k views

Smallest PIC which the TCP/IP stack can be implemented

What is the smallest (size) PIC with internal oscillator available which the TCP/IP stack can be implemented (and used) successfully? Also, what is the smallest (size) PIC with internal oscillator and ...
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1answer
228 views

how is TCP/IP protocol converted to electrical circuit [closed]

I am not an electronics guy (CS guy) I understand what TCP/IP is I want to know what things are done in manufacturing an IC that is able to send and receive packets. How is a chip which works for ...
3
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1answer
884 views

TCP/IP stack in Verilog

I am about to write a TCP/IP stack in Verilog. I would have thought this was a relatively common thing, and that implementations would readily be available online. The obvious Google search for a ...
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1answer
239 views

How can I attach gps chip to 3g chips? [closed]

I'm a software developer. Recently, my bike was stolen and I'm pissed off. The police is useless and what's in my mind now is how can I prevent this from happening again. What I want to do is, lets ...
4
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3answers
563 views

Wireless Sensor to Internet

Looking for a low cost implementation to post ambient temperature readings from a sensor to servers via a COTS router. 1) Have a temperature sensor connected to a micro controller which sends data ...
8
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4answers
3k views

SSL from a Microcontroller

I am wanting make an embedded device that can communicate with a web-server in a secure fashion. My preference would be for it to use standard SSL so the web-server views my device similar to a web ...
2
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2answers
1k views

Working with PIC to send data to server

I'm currently working with the flyport from OpenPicus, it has 24FJ256GA106 PIC processor in it and I was looking for the best way to send information from the flyport to a server. I want to know how ...
2
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2answers
410 views

Sourcing for low power stepper motor driver assembly. Which is best cost and host software wise?

For small batch production I am looking for small low cost product. Need it to be network controlled (Ethernet TCP/IP) with open documentation. The current is about 1..2..3 Ampere, voltage 24..48V. ...
2
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4answers
520 views

Looking for a PIC board with webserver

I am looking for a PIC which has a webserver builtin or has the ability to install one(with) . I want to experiment connecting in reasonable price please)two PIC/PICAXE boards or different type and ...
6
votes
3answers
4k views

Wiznet W5100 vs. Microchip ENCx24J600

What are pros and cons using Wiznet W5100 or Microchip EncX24J600? It's a bit complicated to explain. My question is about the performance of Microchip TCP stack vs Wiznet TCP/IP core on the chip. ...
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17answers
33k views

What is a good microcontroller for Ethernet applications?

What is a good microcontroller for doing Ethernet applications? Or do I just need a good Ethernet library to connect with an Ethernet MAC/PHY?