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Hackentosher

Member
  • Content Count

    4,182
  • Joined

  • Last visited

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About Hackentosher

  • Title
    Failing The Way Through Electrical Engineering
  • Birthday 2000-03-06

Contact Methods

  • Origin
    D1OMED3S
  • Steam
    D1OMED3S

Profile Information

  • Gender
    Male
  • Location
    Satan's Ass Crack/ASU
  • Interests
    3D printing, Drones, 3D Printing Drones, Drones 3D printing, and why my i5 is running so hot
  • Biography
    FORK 'EM, DEVILS
  • Occupation
    Professional Electrical Engineering Student, Choir Nerd

System

  • CPU
    4670k 4.4ghz
  • Motherboard
    Gigabyte z87x-oc
  • RAM
    16gb Vengance something
  • GPU
    Windforce gtx 970 g1 1513mhz
  • Case
    Phantom 410
  • Storage
    San disk ultra 2 120gb, Hyperx 3k 120gb Segate baracuda 1tb, WD Green 1tb
  • PSU
    CX600m that's about to explode
  • Display(s)
    Zalman 23" Piece o' crap, 19"~ 1600x900 Acer thang
  • Cooling
    H80i
  • Keyboard
    Quickfire Rapid (MX Blue)
  • Mouse
    G502
  • Sound
    Kraken pro/Momentum IEM avec a blue snowball
  • Operating System
    Windows 10

Recent Profile Visitors

38,556 profile views
  1. Hackentosher

    Testing voltage of doorbell with fan?

    Get a multimeter. It's one of the best investments you can make if you're even remotely interested in electronics. Personally, my new favorite meter is the UNI-T UT210D as it is a compact clamp meter that will measure AC and DC current through the clamp, every other electrical characteristic you could want, and it comes with a thermocouple. At $40 USD, or 35 Euros, it'll save you a lot of headache and perhaps even your life.
  2. Hackentosher

    Looking into 3D printing

    We just got a cr10 a pro at work and it's amazing. Didn't expect the crealities to perform so well out of the box. I would go for a cr10 as they are well known, and hella fine.
  3. Hackentosher

    100v to 120v power?

    Yeah it'll be fine. Most electromocs have a much higher mains input tolerance than you'd expect. Most electronics can allow a much lower voltage input than the sticker says, and the upper voltage limit is set by the caps inside the SMPS. Usually they're rated to 300-400v, but most electronics are designed to be used up to 240vac. TLDR, a 10-20v increase almost certainly won't matter.
  4. Hackentosher

    Is PETG better than PLA+

    It really depends. But generally, I would say yes. Unless you absolutely need something that can take more structural load and flex before breaking. Pla can print faster and easier. It's the move for general printing.
  5. Hackentosher

    Is PETG better than PLA+

    Pla and petg are two different materials, each with pros and cons. Pla is super easy to print with and smells nice, but it can be kinda brittle and relatively weak (if printed properly it can be pretty damn strong). Petg is harder to print, but it's stronger, a bit more flexible, and can be pretty translucent. Pla is probably a better choice for most applications, especially for a newer user, but petg has its place.
  6. Hackentosher

    Offgrid battery backup.

    Look into grid tied inverters, maybe from SMA.
  7. How is search in Windows so bad? Both searching for programs in the start menu, and in file explorer. I remember I could find files almost instantly on my mac (RIP) and on Windows, it takes several minutes to pull up search results. Like, what the hell. How is it so bad? It's not like the hardware is a bottle neck, the SSD in my laptop reads at over 2GB/s, it's all just poorly optimized software. It's unacceptable. Let's not even forget that half the time it just doesn't find what you're looking for and suggest searching on edge, then you back space, search for the same thing again and fucking finds it. This is absolutely unacceptable performance from a company worth as much as MicroCock.

    1. Slottr

      Slottr

      Try using "Everything"

       

      Its much better than windows search, I was getting fed up too

    2. CUDAcores89

      CUDAcores89

      well it is microsoft, what did you expect?

       

      Windows 10 these days is also basically free*.

       

      *You can run windows unactivated and if you want to activate it, keys can be found on the grey market

  8. So we got an Ifixit Manta Driver set, and oh my lanta. This thing is so nice. The two driver handles it comes with are nice and meaty with nice knurling, and Freaking Bearings in the little spinny things at the end of the handles. very nice.

  9. Hackentosher

    DC Solar power systems?

    As it was mentioned above me, AC is good for long distance transfer (under 300km, after that the skin effect makes HV DC transmission more efficient) and it is waaay easier to step up and down for distribution purposes. Now about your question about DC appliances, most devices can actually run on DC with no modification. The exception being AC transformers, big induction motors, and capacitive droppers for LED lighting. Everything else uses a rectifier right at the input to turn the power back into DC, so it doesn't care if you feed it 100-250VDC. The lab I work at at ASU is working on a project with HVDC. One of our first projects was testing how SMPSs would hold up on DC. So, I spent a month loading up the supplies to their rated current while feeding them 240VDC. They performed as well if not better than a similar load test at 240VAC.
  10. Hackentosher

    Offgrid battery backup.

    Okay from what I understand, you want 4 different kinds of modules, A-D. A is a 1s300p configuration. B is two A modules in parallel, giving you a 1s600p configuration. C is 2 B modules in series, giving you 2s600p and so on. This sounds way too complicated to me. The first question I have is why have you chosen a 4s configuration? 16.8V (full charge) is not a lot for such a high power system, which will require massive cables to carry your quoted 500A of current. If this was my system, I would go for like 25s160p system, giving you a much higher voltage, will reduce your maximum current to around 500A. 105v (full charge) at 500A is 52.5Kw. If you're pulling that much power, I bet your battery pack is the last of your issues. Also look into the homebrew powerwall forum. They have great info on cells, inverters, and everything else you'll need for a system of this scale. Also for the love of god invest in a good bms.
  11. Hackentosher

    LORA SX1276 Arduino code/library

    Just trying to provide more options to OP
  12. Hackentosher

    Offgrid battery backup.

    I'm a little confused on your pack configuration. Figure out how many cells you want in series (voltage. Full charged voltage = number of cells *4.2, nominal voltage = number of cells*3.8) and then divide your 2000 cells by that series number to find how many in parallel.
  13. Hackentosher

    LORA SX1276 Arduino code/library

    check out the radiohead library. It's recommended by Adafruit for their packet radio feathers, it might just work for this module. Also make sure you have antennas on your radios when you power them on or the transmitter will cook because there is nowhere for the energy to escape, so it builds up as heat.
  14. Hackentosher

    Battery that is 200V+ (18650 cells)

    Ayy I'm going to be working on a 250v 18650 pack pretty soon. I'm worried about balancing, so I think I'll make 10 6s batteries with BMSs, and wire them in series. Just be careful with all of that, wear rubber sole shoes, know what you're touching, and keep your head on a swivel. I also recommend using xt60s for everything and nice silicone wire. Fuse your cells if possible. Also beware that whatever you plug in probably has some big filter caps which will pull a pretty huge inrush current, causing a big spark when you plug it in.
  15. So my coworker just offered me a box of unopened nixie tubes. I actually have the best job ever.

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