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    Rittal has introduced two ranges of guide rails for PCBs which it says can be made to suit any depth of PCB insertion. ...

    Intersil is offering a synchronous buck point-of-load (POL) regulator for low-voltage ICs in rad-hard and high-reliability ...

    We all use a large number of electrical items that work reliably and safely every day. As problems are so rare many people get blasÚ about the need for electrical safety regulations, but recently I saw some sobering statistics.

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    A new Picture Gallery has been added to our index - a look behind the scenes at the Witch restoration project in The National Museum of Computing at Bletchley Park.

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    An Engineer in Wonderland - A 74HC74 hysteresis mystery The development 'lab' has moved to the kitchen table as the workshop is so cold that there is liquid nitrogen sloshing around on the floor. And as my 'scope, Dr Frustration appears to be in the house. For two evenings I have been trying to fault-find a breadboard circuit with only four components that is so trivial I almost didn't try it. And am not even sure I am at the bottom of it yet.

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    What happened to AT&T and the venerable Bell Laboratories? I know some of you will look at this question and say - AT&T is still around, I keeping seeing ads for all sorts of AT&T stuff. Isn't it the largest cellular carrier?

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    Initial debugging complete, I knocked up a pcb in the kitchen. I used CadSoft's wonderful free Eagle layout editor to design the board.

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  • Recent Activity

    towlerg-21522

    UltraEdit adaption.

    Thread Starter: johngb

    I didn't know where to post this thread but as I guess this section is one of the most viewed I am posting here. After Les mentioned UltraEdit on...

    towlerg Today, 00:52 Go to last post
    joesaliba-353

    Correct use of bit names

    Thread Starter: joesaliba

    So I have the following: - Symbol RBIF = INTCON.0 ' Port B Interrupt-On-Change (IOCx) Interrupt Flag bit Symbol INT0IF = INTCON.1 ' INT0...

    joesaliba Yesterday, 17:20 Go to last post
    xldaedalus-432

    Coming out of an ISR

    Thread Starter: johngb

    I am adding error handlers to my P-RTOS24 and want to handle the situation where a task hangs and blocks returning to the OS. To do this I have a...

    xldaedalus Today, 00:21 Go to last post