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  1. roughshawd

    How to build a millivolt signal conditioning circuit with compensation?

    Conditioning is just another word for maintaining. "Conditioning a circuit" is bringing it back to life using methodical systems, when it runs out of signal. They told me my solution was unique. I stabilized a freq, and read it into a memory module. The memory then acted like a swap freq...
  2. roughshawd

    MIDI Sound module no output.

    I will read the instructions! That always helps!
  3. roughshawd

    MIDI Sound module no output.

    Simple midi module... In- out-thru... With a stereo out put with phone cables... U 7739 sumthin... Wrong button=missing image. Will get back to you on that...
  4. roughshawd

    MIDI Sound module no output.

    What's the chance of finding data on this board?
  5. roughshawd

    MIDI Sound module no output.

    First question, the power supply is a labtec, 9v negative tip, that i scrounged, the Internet says its replacement is 1.2 a Is 1200ma. Mine is 1000ma. Could the lack of .2 amps cause the output problem?
  6. roughshawd

    MIDI Sound module no output.

    This is probably the most intricate board I have ever seen. It is a Roland MT-32 multi-timbre sound module. It has no output. So my first test should be the cabling, but the cables I used are good, I'm sure. .. ... . So assuming something in the output is failing, I suppose I should test...
  7. roughshawd

    Remote region weather radio scanner antenna

    https://www.weather.gov/cae/antenna.html NOAA antenna. Needs a 6x6 aluminum plate, 5/8" hole for coax connection/antenna mount, 12 gage wire about 20" long, four 20" long aluminum rods 3/8", and mounting screws for the rods. Diy ...
  8. roughshawd

    Remote region weather radio scanner antenna

    I found a diy weather radio antenna on the NOAA weather site. Pictures seem moot. End of a cut off piece of coax and a stainless steel bracket wit a hole in it.
  9. roughshawd

    Remote region weather radio scanner antenna

    .there are supposed to be 6 national NOAA stations, and I barely get 1. I have a marine whip about 8 feet long and a marine radio that is supposed to get the wx marine weather stations on it. I am used to connecting coax to radio and antenna, but the antenna does not have a coax connector, it...
  10. roughshawd

    Coffee pot component.

    The thermostat that was on the heating element has no continuity, so I had a different one I put in. Is there anyway to test the old one to see if it's an off then or a burned out on then off?
  11. roughshawd

    Coffee pot component.

    duh cell phone camera saved us... Are these necessary, or can one work in line? Or can I take them out entirely? One more thing...
  12. roughshawd

    Coffee pot component.

    Two of these inline following the heater. One has failed. Anybody got one??!!
  13. roughshawd

    Remote region weather radio scanner antenna

    I live in a deep hole way out in the sticks... I don't think the nps would want a radio tower at the archaeology digs but who knows. I have a marine cell booster that gets me that needed extra bar, but my weather radio barely gets a signal. What kind of 50 ohm antenna do I need?
  14. roughshawd

    Is it possible to use LM2596 buck converter to a 24V dc battery and connect it to a 12Vdc/220Vac inverter to supply raspberry pi 4B?

    As per buck converters and freq machines like Arduino. I think voltage becomes an issue when you are switching with freqs. If the question is 'is it possible' ... Well I don't know...keep trying!!! i once imagined a circuit that loops til proper then sends when enabled, but that is...
  15. roughshawd

    Is it possible to use LM2596 buck converter to a 24V dc battery and connect it to a 12Vdc/220Vac inverter to supply raspberry pi 4B?

    Hey, can you amp that voltage divider to get the current?
  16. roughshawd

    Cases chasms and crooks.

    So also, after building a regular wall wart powered 12 case fan, my old vintage is quiet, performs like a champ, and works just fine. The new style fan is a whirring nightmarish buzz generally blowing lots and lots of air, rather than exhausting the heat from the vent... Just saying, most pc...
  17. roughshawd

    Wouldn't it be great if ...

    If big manufacturing used copper instead of aluminum wire so you could solder repair their stuff when parts failed???
  18. roughshawd

    Cases chasms and crooks.

    The amp is one of those fantastic ideas but was too expensive to complete properly. They added a female plug in for the fan, and expected everyone to add it. The amp used to get hot and snap off in the middle of a movie. Now it is working properly, and the glitches it used to have are gone...
  19. roughshawd

    Wouldn't it be great if ...

    Somebody posted a schematic for a homemade "Stop what", that any home electronic hobbiest could make I. His garage??
  20. roughshawd

    Wall Wart voltages.

    And yes, the ones I received from the big bad communications business along with the antenna business on the wild wolly and sometimes Webby http sales sites are working just fine!! But I was seriously considering building one.
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