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CAN Protocol Understanding

I have a task to convert CAN protocol Driver from Basic CAN to Full CAN. The project contains CANopen stack used in it. I have initiated the study of CANopen stack. I want to know is it necessary to...

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Is byte stuffing required when using a packet field length

I’m involved in a project which involves implementing a binary protocol that will be transmitted over TCP. During our early discussions we have hit a brief snag on deciding whether byte stuffing is...

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C# function equivalent to CCtalk protocol

Im more inclined to think this question has more to do with electrical engineering and communications than with the software part, I want to integrate a coin acceptor into one of our applications. This...

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Packet Loss decreases as the nnumber of nodes increases, isn't it...

I am reading the results of a research publication about clustering algorithms. The results show that the Packet Loss decreases as the number of the nodes increases. This is a bit counter-intuitive to...

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What are the most important metrics for evaluating the quality of a...

In a discussion with some Phd students I heard them mentioning Packet Loss Rate, Channel Utilization and Delay are the main metrics to evaluate the quality of a (wireless) communication channel. What...

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2 wire (Ground/Power/Data) for low power systems

I’m looking for suggestions on a low power system that provides power, data and ground over 2 wires. It also needs to support multi-drop and star network topologies. I’ve found HART, which is close,...

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How to interface with credit card terminals?

I am considering doing a project that involves a machine that can accept credit card payment automatically from customers. Think of it as a vending machine, that accept credit card. I want to...

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Three phase commit protocol

I’m trying to understand the three phase commit protocol by reading the wiki page (http://en.wikipedia.org/wiki/Three-phase_commit_protocol#Motivation). In the description for the diagram I posted...

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ADC ic's for SPI protocol [closed]

I want to know what are the ADC Ic’s is suitable for SPI protocol? because i cant find MCP3008 ic in shops? No one having this IC. Thanks.

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How should I provide detailed information about an error, if not through HTTP...

This question comes from here. I believe it deserves to be on its own instead of being lost in a long question with multiple points. I’m building an API and find myself limited by HTTP error codes....

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Where can I find correct documentation of old floppy drive formats?

I have an old drum machine with an ancient proprietary 3.5″ SONY floppy disk drive with no information on the device itself that I have seen. The performance is spotty and it’s very picky about disks....

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Should I ping for a TCP-based game?

I have a head-to-head game where two players communicate through a server based on TCP. I am planning to implement a ping/pong mechanism in order to detect network disconnection situations. For...

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PCIe DIY protocol analyzer / packet spy / monitor – project

I’m interested in making a device that I can plug into a PCIe slot that can capture PCIe protocol packets. Along the same lines find a low cost solution so a hobbyist can make their own PCIe interface...

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Create a new wireless protocol for industrial

I’m working on project that lets industrial machines communicate to each other wirelessly. It seems that Zigbee at 868MHz is the best choice (if you have any other suggestion it would be great),...

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Serial protocol delimiting/synchronization techniques

As asynchronous serial communication is widely spread among electronic devices even nowadays, I believe many of us have encountered such a question from time to time. Consider an electronic device D...

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What is difference UART 4 pins and UART 5 pins?

I see that on some adapters/ports/devices uart has 4 pins on others 5. What is the difference? Can we use 4 for 5 and vice versa? For example we have A13 Olinuxino that has 4 pin uart. We wanted to add...

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How to implement simple actions with CoAP in a structure with multiple nodes?...

I plan to create a structure that has an user app and multiple nodes. User can control and message with nodes by using user app. I have to use CoAP communication protocol in communication module in...

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can i interface profinet protocol to ethernet interface?

i have a profinet device and an Ethernet port which is dedicated for KNX protocol. can i connect my profinet device to this Ethernet port?

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IR Protocols: Start Bit Meaning

For the past weeks I’ve been learning about IR protocols. I’ve been searching the web about these protocols and I’ve found great databases about them, such is SBProjects. I’ve notice that some...

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Can we implement our own stack in any of XBee modules? [on hold]

Can we implement any other open source stacks like ZBOSS etc. in XBee modules? I want to customize the stack, so which XBee modules are suitable for this?

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