Recent content by PsYcHoCoW

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Micro-controller headstart

I don't have any book to suggest, but I can talk about how I learned... First, I did some C on the computer to get used to programming. After that, we went down to microcontrollers with assembly language. We compiled existing software of limited complexity (LED flasher, for example) and...
- PsYcHoCoW
- Post #3
- Aug 25, 2007
- Forum: Ask a Technical Professional
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Embedded webserver device

Colleague of mine bought one of these : http://www.modtronix.com/index.php?cPath=105_112 for his senior-year project. (wine cellar) It was used to remotely monitor presence of bottles, and turn on/off a light remotely. I can't get any more specific since I didn't use it myself. wtf? it's...
- PsYcHoCoW
- Post #3
- Mar 8, 2007
- Forum: Ask a Technical Professional
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time controlled rheostat

That's a nice little project if you want to do it yourself, you'll most likely end up using a device called a Triac to power the light (a Triac is like a transistor but it works with AC, which a transistor doesn't) as for keeping time, I think the easiest thing to do would be to use an...
- PsYcHoCoW
- Post #4
- Jan 8, 2007
- Forum: Ask a Technical Professional
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BIOS not finding/recognizing PCI-Express video card

Hi, my attempts at rescuing the system have been concentrated on a lower-level, I haven't attempted to update chipset drivers/Forceware because I thought it would only have an effect in Windows, and not fix the pci-e card not waking up. [the drivers that were there have been working for over...
- PsYcHoCoW
- Post #3
- Dec 31, 2006
- Forum: Computer Building
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I forgot to partition my whole drive!

Start, Run, type "compmgmt.msc /s" without the quotes. that'll bring you to the computer management screen ; in there, go to the category that deals with storage, and then disk management. From there you should be able to right click on the unpartitioned space, and partition it.
- PsYcHoCoW
- Post #2
- Dec 31, 2006
- Forum: Computer Building
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BIOS not finding/recognizing PCI-Express video card

MSI K8NGM2-FID (socket 939, geforce 6150) AMD Athlon X2 3800+ 1GB DDR400, KVR eVGA 7900GS / Asus 6800GT Enermax 450W / Antec Neopower 480W WD 300GB HD LG DVDRW It used to work fine, but one morning the monitor wouldn't turn on (light remained yellow instead of turning green and...
- PsYcHoCoW
- Thread
- Dec 31, 2006
- Replies: 2
- Forum: Computer Building
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My Maze Navigating and Predator Evading Robot

can you tell me what motor controller module you used? I'm guessing it doesn't have feedback from the motors, and it's just a PWM generator of some sort?
- PsYcHoCoW
- Post #16
- Dec 23, 2006
- Forum: Ask a Technical Professional
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My Maze Navigating and Predator Evading Robot

nice job on the movement / wall detection, the robot turns in a very fluid way. did you buy all those gp2d sensors? I seem to recall that the unit price is pretty high :o
- PsYcHoCoW
- Post #12
- Dec 21, 2006
- Forum: Ask a Technical Professional
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Analig circuit, explanation

Indeed, the potentiometer lowers or increases time required to charge the 220uF capacitor, which determines the output timing... take a look at the lm555 datasheet for more info.. http://cache.national.com/ds/LM/LM555.pdf
- PsYcHoCoW
- Post #2
- Dec 4, 2006
- Forum: Ask a Technical Professional
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Computer Making Constant Shrill, High Pitched Noise

I've seen ("heard") some PSUs that made really high-pitched noise when plugged in... didn't even have to have the computer on ; just the PSU switch on and it made a high-pitched noise...
- PsYcHoCoW
- Post #6
- Aug 17, 2006
- Forum: Computer Building
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Deferred Procedure Calls killing my system

I had a problem similar to this... I would be using my computer normally and after a few minutes of browsing the internet all of a sudden it would get VERY jerky. I couldn't tell from the task manager what process was taking up CPU, so I just killed everything that wasn't necessary and it would...
- PsYcHoCoW
- Post #6
- Aug 15, 2006
- Forum: Computer Building
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This is best learned from somone elses experience

touching the copper traces with your fingers wouldn't give you a shock as the signals are low voltage. I doubt that it would cause problems, if it does it would be because of your body's capacity... as for plugging something in the PCI slot while the computer is running : a client where I...
- PsYcHoCoW
- Post #3
- Jul 28, 2006
- Forum: Motherboards
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How to rewrite boot sector of another drive from within windowss

PTEDIT32 : http://service1.symantec.com/SUPPORT/po...04b2dfbbb88256e75007ca1e5?OpenDocument Allows you to modify the partition table... found it yesterday while trying to fix my own HD problem (partition turned from NTFS to RAW... partition table was still OK though)
- PsYcHoCoW
- Post #2
- Jul 22, 2006
- Forum: Ask a Technical Professional
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How to determine current CPU speed of Toshiba Laptop

What's wrong is that "Sisoft Sandra scores indicate that the CPU is sometimes stuck at 1/2 speed - not even matching the speed of a 1.7 Celeron", as is written in the original post, first sentence of the second paragraph.
- PsYcHoCoW
- Post #5
- Jul 9, 2006
- Forum: Laptops
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NVidia Geforce 6800 processor use issues

that's a rude welcome. :| how about "you might have better luck over the technical support forums, highly technical is something different"? it gets the point across while remaining polite
- PsYcHoCoW
- Post #9
- Jul 4, 2006
- Forum: Ask a Technical Professional

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