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  1. MacGyverS2000

    Power supply design

    What about the project is causing an issue? Seems pretty straightforward... Dan - Owner http://www.Hi-TecDesigns.com
  2. MacGyverS2000

    Electrolytic SMD caps getting too hot to touch

    That article doesn't discuss anything useful about capacitors, and certainly nothing about ripple current. Spam. Dan - Owner http://www.Hi-TecDesigns.com
  3. MacGyverS2000

    Voltage reducer circuit

    I thought the same, Lionel, but this method doesn't require any programming (often a good thing). IR is correct, though, this doesn't need two relays... the circuit is overly complicated for the intended purpose. Dan - Owner http://www.Hi-TecDesigns.com
  4. MacGyverS2000

    First Tesla Autopilot deaths court case

    Virtual LPS for kjoiner... classic B-movie :-) Dan - Owner http://www.Hi-TecDesigns.com
  5. MacGyverS2000

    Voltage reducer circuit

    Plenty of things wrong with that schematic, and some may or may not be your issue... right off the bat I see both of your LED drivers are wired incorrectly (you connect power to the chip input and output), so the top LED is always on, and the bottom is at some floating voltage. I see no load of...
  6. MacGyverS2000

    03 detection

    Parts per billion? You may have a tough time there... per million is readily found at all of the usual component shops. Curious why you need to detect such low concentrations... Dan - Owner http://www.Hi-TecDesigns.com
  7. MacGyverS2000

    The best engineer

    Come time to use it, I always forget how it was done... Dan - Owner http://www.Hi-TecDesigns.com
  8. MacGyverS2000

    Looking for a Cable Sizing software

    Unfortunately, if someone here knew we would have posted by now... you may be on your own in this little adventure. Dan - Owner http://www.Hi-TecDesigns.com
  9. MacGyverS2000

    The history of first satellite ever launched

    Diagram of the o-ring section... Dan - Owner http://www.Hi-TecDesigns.com
  10. MacGyverS2000

    Dyson material/finish question

    I assumed we were talking about the Dyson label itself, not the texture... ignore me. Dan - Owner http://www.Hi-TecDesigns.com
  11. MacGyverS2000

    Slope Stability

    Show us what you've attempted so far and we can guide appropriately... we don't do the work for you. Dan - Owner http://www.Hi-TecDesigns.com
  12. MacGyverS2000

    smallest solar cell

    I have never had the need to look for solar cells... never expected them on DigiKey, either. Good to know. Thanks, Jim! Dan - Owner http://www.Hi-TecDesigns.com
  13. MacGyverS2000

    Are clearly marked stop buttons required

    Technically, this machine has no 'stop' button... certainly not an emergency stop. Not my field, but I would certainly question any machine of this size not having some form of mushroom stop clearly located and indicated. Dan - Owner http://www.Hi-TecDesigns.com
  14. MacGyverS2000

    How to network with engineering professionals?

    Fair warning... anyone who emails me by figuring out my company's email address pattern will be immediately relegated to the virtual round file. If I did not provide my email address directly to you, it's entirely too presumptuous to assume I want you contacting me through that channel. I...
  15. MacGyverS2000

    How to implement this figure in z-domain

    Show us what you tried... Dan - Owner http://www.Hi-TecDesigns.com
  16. MacGyverS2000

    2 axis solar controller driving a 2.8x2.5m, 65kg array

    For one-offs like this, it may not even be worth calculating... make some temporary attachments and see if the system will move as intended. If not, beef it up. I second itsmoked's suggestion, however, of moving this somewhere less dangerous (i.e., closer to the ground)... if that's not...
  17. MacGyverS2000

    Bouncy House Safety

    I could see a fairly inexpensive "helper" gadget... place an anemometer at the top of every bouncy castle. When wind speeds start to approach unsafe limits, it sets off an alarm. It won't solve the problem of sudden wind bursts that come out of nowhere, but it would likely give fair warning in...
  18. MacGyverS2000

    2 axis solar controller driving a 2.8x2.5m, 65kg array

    Is there a question or are you simply sharing pretty pics? Dan - Owner http://www.Hi-TecDesigns.com
  19. MacGyverS2000

    Retirement ages for engineers

    No more/less than in any other situation. I might question how long they plan on staying with my company if they've already retired and have to come back, but then that's why face-to-face conversation are important. Dan - Owner http://www.Hi-TecDesigns.com
  20. MacGyverS2000

    Two Apartment Fires, NYC Dec 16 and, NYC, 11 AM Jan 9

    I know, right? 'cause Section 8 automatically means the person is a moron with no skills. Thank God we have all of those intelligent and useful non-Section 8 folk to guide them. [noevil] Dan - Owner http://www.Hi-TecDesigns.com

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