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  1. Delta Prime

    Need help with sourcing a resistor for a Peavey XR800F Plus

    Definitely old school .Desolder them measure the resistance You have to clean up that board. Wear gloves that heatsink compound is toxic to humans.that is no joke!!! Sorry about the bold. I'm hiking .speech to text stupid phone.
  2. Delta Prime

    A Little Help for Brainstorming Ideas

    Looks like my dementia is right on time. :cool: When dealing with stepper motors any number of logic combinations can be realized to change direction, number of steps.also any type of switch they could be momentary they could be latch they interface with discreet logic Gates AND,OR,NOR so on and...
  3. Delta Prime

    Need help with sourcing a resistor for a Peavey XR800F Plus

    0.22 Ohm 5 Watt 5%=J WW=Wire Wound AXL=Axial Cement resistor=that's my guess Or aluminum clad Or even ceramic no photo. Digi-Key,mouser ,element 14. That is where I source electronic components.
  4. Delta Prime

    A Little Help for Brainstorming Ideas

    Now you will graduate Valedictorian!
  5. Delta Prime

    Help with soldering transistor 7805 correcty

    That was my boo boo. Anyway. you're hired!!! Congratulations! when can you start! There is a sizable sign on bonus... :p
  6. Delta Prime

    A Little Help for Brainstorming Ideas

    Hint limit switch in front of vehicle reverse a stepper motor same amount of steps backwards
  7. Delta Prime

    Help with soldering transistor 7805 correcty

    Oopsies I made a boo boo. The block outline indicates pin 1 of the 7805
  8. Delta Prime

    A Little Help for Brainstorming Ideas

    My driveway is on a slight incline after I drink a case of Budweiser I always hit the wall and it rolls back without any human intervention it's called gravity. Since this is homework you must make an attempt and we shall guide you, until then you're on your own.
  9. Delta Prime

    Advice cleaning game cartridges without causing corrosion

    Baking soda is okay make a paste out of it there should be no excess water anywhere!That you have to blow out. I use a pencil eraser a "new one" and rub that onto the contacts "vigorously" this way you will not damage or have any water anywhere. And after that I clean with at least 91%...
  10. Delta Prime

    vintage DL1414 LED display replacement & suitable socket

    Bubble LEDs very retro very popular they reproduce them. About a buck a piece get yourself a little low profile socket you're going to be making mistakes I believe therefore let's try to minimize that and if you do make a mistake you just pop another one in. See Here I'm sure you're familiar...
  11. Delta Prime

    want to tinker with my UPS.....

    I think you might be interested in this I hope it helps.
  12. Delta Prime

    want to tinker with my UPS.....

    You're forgiven. I Love Celine Dion.,. Now it's time to shine! Like shine a mirror on those photovoltaics you got. And if there's some way to keep them cool underneath you can squeeze out a little bit more juice out of them... more efficiently. It looks like I'm famous already or maybe it's...
  13. Delta Prime

    TRS microphone wiring

    electret microphone No not that one that's stereo you only got one microphone so it's mono. You have to make sure the internal microphone is an electret microphone Yes and no it's very confusing. This is also a TRS You must confirm if the internal microphone is in fact a electret...
  14. Delta Prime

    need help identifying a transistor

    It's the wild west now.they did a generation ago. You and me are literally standing on the shoulders of giants. I think that datasheet from NEC might have been a little bit too big. There you go buddy you can try digi-key Mauser things like that, if you in the United States. You got to get used...
  15. Delta Prime

    need help identifying a transistor

    Look these two pages carefully the numbers.Yes they're the same. Can you imagine all the different manufacturers out there sometimes they even put their own number on it... And let me go back and get you that data sheet . I don't recognize 90% of the manufacturers on those two pages. wow!
  16. Delta Prime

    swimming pool pump remote solenoid control

    Forgive me... my graphics suck! Cut and paste from a phone. Here's how industrial equipment is started and stopped using momentary pushbuttons. The circuit is called a "locked-out relay." It uses an ordinary relay and the ON switch activates the relay to close the terminals. When the switch...
  17. Delta Prime

    And now something weird

    It's Vantablack! The blackest substance known to human kind. Vantablack has been developed by UK based Surrey Nanosystems. The substance is so black that it absorbs 99.96% of incident light falling on it and is nearly the perfect black body. It is undetectable by spectrometers and to the naked...
  18. Delta Prime

    My relay is too hot

    Welcome to Maker Pro! ape! :) Make,model, of your Gizmo? Can you take a photo of your setup or perhaps a wiring diagram. Thank you. [Mod edited ... remove insulting comments]
  19. Delta Prime

    want to tinker with my UPS.....

    A solar cell extracts electrical energy directly from light energy photons, it is a semiconductor. It produces electricity while light strikes on it. The voltage or potential difference, is established across its terminals & is fixed to 0.5 volts & is nearly independent to the intensity...
  20. Delta Prime

    Wiring security a camera to doorbell wires

    Make sure you get one with no subscription ;)...
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