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FALCOR4

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FALCOR4 last won the day on August 17 2019

FALCOR4 had the most liked content!

About FALCOR4

  • Birthday 02/27/1958

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    Male
  • Location
    Chattanooga, Tennessee
  • Interests
    Tinkering with the 99, air rifle collection, motorcycles, enjoying the grand kids!

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  1. Lee's explanation on how SAMS cards greater than 1 Meg need to be addressed is spot on. It is probably smart to just assume that any software that is written for SAMS is for cards that are over 1 Meg and that would make it universal for any SAMS card. SAMS registers explained_Srt_AP edits.rtf
  2. Yes, thank you Fred! Outstanding!
  3. I've been using the Wathai 110V 115V 120V 220V 240V Brushless Fans <80mm x 25mm> from Amazon. They're an easy replacement and are about (subjective here, mind you) half the noise of the OEM fan.
  4. It's my original 80k GramKracker. I just have it sitting on the fire hose connector.
  5. Like finding lost treasure. I combined this cartridge back in the 80's because at the time I was using these cartridges the most during programming. I located it again years ago, but it was subsequently misplaced in a move. Rummaging through boxes I found it again! It's not so significant anymore with all the new cartridge choices we have but it was handy BITD. Just sharing for the fun of it. 20240217_111330.mp4
  6. You must be talking about someone I used to work with <lol>, did pretty much the same thing. To add insult to injury, he would routinely throw his empty can of sardines into other people's trash cans.
  7. There's a lot of truth in that. When I started, we had an incredible engineering guide book that was an absolute treasure. It covered wiring, connectors, schematic generation, component selection, environmental considerations, etc. Sometime afterwards, it disappeared when the organization "re-organized." If you weren't one of the lucky ones who kept a copy, it was lost to eternity. Unfortunately, those were the days of the typewriter so there is no online copy, at least not that I've found that has been uploaded. Over the years that followed I could see the new engineers coming in repeating mistakes and relearning the hard way because they didn't have the benefit of a mentor or proper guidance. I called it the "divide by zero" problem, when will we ever learn? 🙂
  8. @matthew180, other than cost, is there any reason to not use the S13V20F5 or S13V15F5? Is there a difference, for example, with the output ripple? Also, I recall a thread that talked about recommended capacitors for these units but can't find it at the moment.
  9. Were there four versions of this controller?
  10. If using SRAM that has the possibility of being corrupted (ex: low battery voltage) then don't forget a switch to disable the DSR space or you may risk a constant cycle of lockups upon powerup.
  11. What is it with animals and electrical wire insulation? Years ago I got into my car to go to work and the entire dashboard lit up and the car wouldn't start. Turns out that a rabbit had crawled up into the engine compartment and chewed through a wire bundle. How do I know this? When the dealer put the car up on the lift the rabbit dropped out and ran around the shop floor before they caught it. That turned out to be a rather expensive meal.
  12. Maybe start at the regulator where you see +5v and start going down the power path to see if you find a flaw in the +5v trace? It almost sounds like there might be a point of high resistance somewhere that is causing a voltage drop to all of the subsequent ICs?
  13. I have one stashed away and would like to eventually find another one. I heard that they were used by some BITD to connect two TIs together? Any interesting history there, anyone?
  14. This is a rather long (50 min) YouTube video in a series describing the Apollo space mission core rope memory design and historical software recovery effort. It's fascinating the innovative solutions that early designers came up with given the state of technology at the time. Grab a cup of coffee for this one 🙂 Note at one point early in the video the huge printout of one of the programs. <From Hackaday.com>
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