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  1. Delta Prime

    Trying to identify a (zener?) diode by color

    Welcome to Maker Pro. Show us a photo of your component please. This table is the information used by MOST diode manufacturers that use color banding on diodes. Most manufacturers stamp the ID right on the diode but some do use color banding as the method of identification. For purposes of...
  2. Delta Prime

    Rockchip 818-1 extreme heating issue during charging

  3. Delta Prime

    Is this the correct way to wire up a 5v circuit to use battery backup?

    All right buddy you're using easyEDA right? This is a good place to start crossing circuit paths are unavoidable but can be minimized. https://docs.easyeda.com/en/Introduction/Schematic-Capture/index.html
  4. Delta Prime

    Guitar Level To RCA Line Level Preamp

    I have never been but have been told firsthand about live WHO concerts... You sound like a wise man to have it back up..
  5. Delta Prime

    3v step down from 12v

    That's unacceptable! Please,stop what you are doing and please answer the questions.
  6. Delta Prime

    Guitar Level To RCA Line Level Preamp

    What is it you would like to do? Connect your guitar? Hook it up to a preamp terminating into a final power amplifier for speaker? Maybe a Marshall guitar amp speaker? Marshall (pun intended) your thoughts... :)
  7. Delta Prime

    Guitar Level To RCA Line Level Preamp

    https://www.sweetwater.com/insync/understanding-signal-levels-audio-gear/
  8. Delta Prime

    Guitar Level To RCA Line Level Preamp

    Yeah in terms of output strength. What you just said was gibberish you just contradicted. yourself. It's okay just stop talking you're here asking questions and I haven't answered anything so... Sorry about that
  9. Delta Prime

    Is this the correct way to wire up a 5v circuit to use battery backup?

    Whatever happened to books ? I don't know anyone who doesn't have their own library. What you need to do is to start with schematic layouts I'm pretty sure Google is working...
  10. Delta Prime

    Guitar Level To RCA Line Level Preamp

    What is guitar level? Why are you considering1458, 741s ,TL081 for audio? You see that because the load impedance typically around 2.2 k for the above mentioned components and 741 should never be spoken of again... https://maker.pro/forums/threads/best-op-amp-for-audio-use.295668/
  11. Delta Prime

    Electrocompaniet EMC 1UP won't recognize disc

    Trying to remember if he went to the bathroom or not?
  12. Delta Prime

    Rockchip 818-1 extreme heating issue during charging

    Welcome to Maker Pro. I would get some isopropyl alcohol 99% and gently clean components leads looks like solder shorts. Unless you know how to solder and desolder these fine pitch components this as far as we can go.
  13. Delta Prime

    Electrocompaniet EMC 1UP won't recognize disc

    Welcome to Maker Pro. Electrocompaniet has developed a proprietary mechanical filters that removes internal and external vibration components from entering the laser pick-up assembly. You are going to need a service manual because there are four separate power supplies using what they call...
  14. Delta Prime

    Behringer Ultrabass input section issue

    And I am taking this guy,he will be happier with me..,
  15. Delta Prime

    2hp motor hums and not turning

  16. Delta Prime

    Bench Function Generator and Speakers

    Sorry to be the one to tell you, this relationship has been known for quite some time now. The relationships between Moire Pattern and Vibration Frequencies the mathematical relationship governing Chladni patterns involves the vibrational modes of the plate and the nodal patterns associated with...
  17. Delta Prime

    Bench Function Generator and Speakers

    if you're going to be a bear be a grizzly. How about a piezoelectric actuator acoustic manipulation system. https://www.nature.com/articles/ncomms12764
  18. Delta Prime

    Hello, I want to reduce 12 volts to 7 volts, how many ohms do I need using a resistor?

    @johansasa Is this another sensor for audible, visual, alarm? For your hearing impaired brother? Would your brother happen to have a Binaural Cochlear Implant hearing prosthetic? If so we can use that to our advantage for targeting the prosthetics audible frequency sensitivity With a audible...
  19. Delta Prime

    Hello, I want to reduce 12 volts to 7 volts, how many ohms do I need using a resistor?

    Well.... Maybe that's why, it makes sense to me, :cool:
  20. Delta Prime

    I want to know all of the maths concerning this scissor mechanism!

    I never said that. I never even thought that. Yes I do... But you hurt my feelings. You'll have to wait I penciled you in, your fourth on my list.... 1) Fermat’s Last Theorem: posed in 1637, solved in 1994 after a colossal effort requiring the mastery of two disparate areas of research...
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