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  • Make a Custom Arduino Test Bench Using Wirewrapping

    It is more work than a solderless breadboard however, you can actually use the finished wire wrap board in a permanent application if you wish. Where the application is a "one-off" this can often be the best route to get the job done. If designed and properly done, a wire wrapped device can be as reliable as a PCB.

    I am an old hand (both experience and age wise) at wire wrapping. I have designed and fabricated some very complex "one off" machine control systems in which I used wire wrapping. The only real possible problem I see is that there is far too much uninsulated wire on the close up shown. While it isn't always necessary to use a "modified" wrap in which about 1-1/2 turns of insulation is wrapped onto the post, there should not be any bare wire left between the post and insulation as it could cause a short circuit. I learned the hard way a long time ago to always use a modified wrap where that 1-1/2 turns of insulation is on the post. The type of wire wrapping tool you use determines whether the wrap is modified or standard. For any project I now attempt I use a co...

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    I am an old hand (both experience and age wise) at wire wrapping. I have designed and fabricated some very complex "one off" machine control systems in which I used wire wrapping. The only real possible problem I see is that there is far too much uninsulated wire on the close up shown. While it isn't always necessary to use a "modified" wrap in which about 1-1/2 turns of insulation is wrapped onto the post, there should not be any bare wire left between the post and insulation as it could cause a short circuit. I learned the hard way a long time ago to always use a modified wrap where that 1-1/2 turns of insulation is on the post. The type of wire wrapping tool you use determines whether the wrap is modified or standard. For any project I now attempt I use a cordless OK Industries wire wrap gun (rather expensive for just occasional hobby use) which can be fitted with a wide variety of bits and sleeves to obtain the type of wrap desired as well as allowing the use of different wire gauges depending upon the application.

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  • cnc002 commented on Simon_Cloutier's instructable Sugar Shack3 months ago
    Sugar Shack

    Same here. I enjoy the preliminary work.

    This is one of, if not the, best documented and explained projects I have seen on here. I totally agree that the up front preparation, like drawings, notes, lists, etc. is every bit, if not more so, as important as the physical work to be done. Being a retired engineer (multiple disciplines, electrical/electronic and mechanical), you are instructing people to do exactly how I approached any new project. My wife has always complained at me about the number of lists, notes, drawings, etc. that I would create before I ever picked up a tool or component, etc. to start the actual fabrication process. What too many people want to do is jump into the "meat" of the job to make it appear they are making a lot of progress. Usually this approach actually causes the job to take longe...

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    This is one of, if not the, best documented and explained projects I have seen on here. I totally agree that the up front preparation, like drawings, notes, lists, etc. is every bit, if not more so, as important as the physical work to be done. Being a retired engineer (multiple disciplines, electrical/electronic and mechanical), you are instructing people to do exactly how I approached any new project. My wife has always complained at me about the number of lists, notes, drawings, etc. that I would create before I ever picked up a tool or component, etc. to start the actual fabrication process. What too many people want to do is jump into the "meat" of the job to make it appear they are making a lot of progress. Usually this approach actually causes the job to take longer because of mistakes that would have likely been caught if more time had been taken up front with the planning.Keep up the good work and I look forward to seeing more from you on Instructables.Randy Abernathy

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  • cnc002 commented on indoorgeek's instructable LCD Trainer Kit7 months ago
    LCD Trainer Kit

    Excellent project! For around the last 30 years I worked I was a field engineer (before retiring) and specialized in Computer Numerical Control industrial machine tools. One thing I insisted on when training operators and programmers for the machinery was that they learn how to write the part programs by hand without using a CAD/CAM system. This way if a problem occurs due to the CAM software writing some incorrect or incompatible code, the programmer can usually diagnose the problem. If they rely solely on the CAM software and don't know how the code functions it is highly unlikely they can correct the problem(s) without help from someone who does know how it works. Your project uses the same logic as I used back then by teaching how the "nuts and bolts" of LCD's work. ...

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    Excellent project! For around the last 30 years I worked I was a field engineer (before retiring) and specialized in Computer Numerical Control industrial machine tools. One thing I insisted on when training operators and programmers for the machinery was that they learn how to write the part programs by hand without using a CAD/CAM system. This way if a problem occurs due to the CAM software writing some incorrect or incompatible code, the programmer can usually diagnose the problem. If they rely solely on the CAM software and don't know how the code functions it is highly unlikely they can correct the problem(s) without help from someone who does know how it works. Your project uses the same logic as I used back then by teaching how the "nuts and bolts" of LCD's work. It also tends to be a lesson in basic binary system.Again, very good job!Randy Abernathy

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  • Solar Photovoltaic (PV) Installation for DIY Camper

    EXCELLENT article! I saw where one person mentioned Lithium based batteries to replace the lead acid battery you are using. I agree with that recommendation however, keep in mind that Lithium based batteries can catch fire if overloaded or the charging of them isn't properly regulated. Of course there have been a lot of advancement and improvement in Lithium battery technology over the past years.

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  • cnc002 commented on droidDexter's instructable DIY RC Drone3 years ago
    DIY RC Drone

    Called drones. Blamed autoi correction

    It would be classified as an unmanned aerial vehicle. However almost all UAVs are cakleds drones

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