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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. ...
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    Intersil is offering a synchronous buck point-of-load (POL) regulator for low-voltage ICs in rad-hard and high-reliability ...
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    Certification & Test: Electrical safety is still important! 


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

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    Picture Gallery - Rebuilding the WITCH computer 


    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 


    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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    Weird & Wireless: What happened to AT&T and Bell Labs? 


    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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    An Engineer in Wonderland - And now the pcb 


    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

    teo-16018

    Microsoft security essentials blues

    Thread Starter: shantanu@india

    Hi, A strange thing happened just now.My Windows 7 Micrsoft Sercurity Essentials suddenly gave a warning that prplus.exe(Compiler) is a potential...

    teo Today, 19:23 Go to last post
    pic-ignorant-1162

    Proton Runtime Error

    Thread Starter: Paulcc

    I have proton running well on my laptop, but after installing it on my desktop, I get the following runtime error: "Runtime Error 217 at 000709FC" I...

    pic-ignorant Yesterday, 22:11 Go to last post
    David Barker-251

    UMC bootloader 18F46K22

    Thread Starter: shunt010

    Hi all. I am trying to build a UMC bootloader file for the 18F46K22, and it doesn't appear to work. It returns (in the error log) Error ...

    David Barker Today, 11:20 Go to last post
    barak-1433

    SPI mssp

    Thread Starter: picprotonguy

    Just ordered Digital to Analog IC MCP4822 with SPI interface and immediately opened proton manual. I'm very disappointed, it looks like Proton...

    barak Today, 16:06 Go to last post