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How do you connect these to your computer? Which one would be easier to burn?
The information you seek can be found by comparing the data sheets: AT89C51, AT89S51, however you will see in this first link that it states:
Not recommended for new designs. Use AT89S51.
So that probably makes your last question irrelevant, you should use the AT89S51 regardless.
With regard to your second question (which I interpret as "connecting to a development host"), I suggest that you use an off-the-shelf development board unless you have the means and skill to produce your own. In-system programming can be achieved through the UART (there's an app. note in the link above), so you'll need a PC with an RS-232 serial interface and a NULL-Modem cable (the latter may come with the board). If you do not have a serial port on your PC, get a USB serial port adapter.
Obviously you need the development tools; at leas a compiler, and for debugging you'd benefit from an emulator; again the link above has references to tools.
Overall; read the manufacturer's documentation is the answer to all your questions! ;-)
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I want to test some Ransomware. Therefore I wanna use VMware and create a virtual machine, where I can execute this software. I already deleted the Network device, so that no connection is possible between my computer and the VM. Do I need to know something more about it. Could it be possible that the virus breaks out and affects my PC?
Make sure that you are not playing around with Cerber 6 Ransomware because it has Anti-VM features that can easily bluff you when you are on the test. I just got to know the same from this post:http://ransomwares.net/cerber-6-ransomware/. I request you to read this post to know more about Cerber's new Anti-VM & Anti-Sandboxing features which makes it dangerous than never before!
Be sure to disable all shared folders. Also disable any CPU virtualisation acceleration, then you should be fine.
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not sure if this is the right place to ask such a question - if not, perhaps you can direct me to the right place?
I've recently purchased a walking treadmill for my standing desk. It has a standalone control panel, connected to the base via an exposed LAN port. The panel has a few drawbacks (it's huge, has awkward and noisy buttons, no pause/return) and I wonder if I could write something very simple to control the treadmill from my PC instead. I imagine I'd need an ethernet splitter and something for network snooping to see the payload from button clicks? I've never done anything like this, so any pointers would be much appreciated. Thanks all!
1st: Be sure that the port is a compliant ethernet port to avoid damage of your equipment.
A cheap setup to analyze traffic between two devices is the use of a ethernethub or a switch which can be configured to broadcast all trafic and a pc with an ethernetsniffer. An alterntive to an hub could be two bridged ethernetcards on a pc.
A common, free and feature rich sniffer is whireshark.
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I have a project and I need to make a building plan with server room etc, so I need to know where to place my router and what do I need to put in my server room besides My servers.
In the image below i placed my Router in my server room but I don't know if that's right
If your system is a wired system then the position of the router is not really important.
But if it is a wireless, the problem become very very very complicated. I have witness the failure of my university trying to solve your problem (i am a victim). If you want to cover your place with WiFi signal then position of WiFi router must be calculated carefully with the involving of physics otherwise you may encounter issues like signal interference, lag, lost signals and so on.
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I am in the market for a raspberry pi or alternative. I've done quite a bit of research but I can't find a raspberry pi alternative that is both more powerful, but also has the same community and add on options. So, can anyone suggest an alternative?
Note:I want one for recreation, I.E. building a robot arm, but I also want to run a low scale server.
Thanks in advance!
I love following #cnxsoft on Twitter and his blog at http://www.cnx-software.com/.
I suggest you to go to his blog and see tags like http://www.cnx-software.com/tag/development-board/ there is every week at least one new board with more and more powerful processors and lower prices... Find one that fits your needs(OS, Pins...)
I'm also not sure why this is marked with tags like "xamarin-studio" :)
I am not sure if this is the right forum, the scope seems too broad. So don't be surprised if this is closed as offtopic.
Can you say what alternatives you have looked at so far?
Try looking into the following and see if they fit your requirement :
http://arduino.cc/en/ArduinoCertified/IntelGalileo
http://beagleboard.org/black
I think you are thinking of the bananapi, or the hummingboard.
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I'm new with zigbee i need you to help me learn about it and know how to implement an embedded system using it
thanks in advance
One good place to look is on the Digi site. They have several products to help you, including embedded development kits.
If you want to go Open Source, look at Source Forge. They have some open source stacks. I have not used any of them, so I cannot comment beyond knowing that they exist.
Depending on your needs, you might want to just look at XBee, which is a subset of zigbee. There are some nice development tools for XBee. I have used an XBee expansion shield with the .net micro framework and boards provided by TinyCLR to do a wireless prototype.
Creating a zigbee stack on your own would be a fairly large task, so only you can determine if there is ROI in doing so. I would be more inclined to buy it in.
Get a ZigBee Starter Kit. Lots of vendors provide one; gust Google that exact phrase.
For example: AVR 8-Bit RISC - IEEE 802.15.4/ZigBee - Tools
Or you can ZigBee on a PIC/Microchip at very low cost. http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=2112