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BetaEffect

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  1. Agree
    BetaEffect got a reaction from BRadjeff7 in Is two better than one?   
    Im using two 1080Ti in SLI myself and looking at hardware usage while gaming, the second card is mostly just for the looks in my system. I got a pretty good deal on my cards too and have no interest in upgrading in the near future. 
    As Statik says: dont waste money on a 2080ti and keep both cards if you dont need the money or have problems playing your games.
    If you want to upgrade wait for 3000 series.
  2. Agree
    BetaEffect reacted to mariushm in Powering Arduino. Rechargable battery?   
    If you power the arduino from a power jack, the energy will go through the voltage regulator taking 7v...12v down to 5v.
    Most cheap arduino boards use a linear regulator to output 5v.
    Linear regulators take whatever's on the input and throw out the difference between input and output as heat on the chip. So, the higher the input voltage and current, the more hot that linear regulator will be and less efficient the conversion will be.
    There needs to be a minimum difference between input and output voltages in order for a linear regulator to function properly and output a smooth voltage. This is the reason why the minimum voltage there is 7v, because the 1117 series of regulators need at least 1v (at very low current) above the output voltage to output 5v. They say minimum 7v, because up to 2v is needed depending on the chip temperature and current.
    Most 1117 series regulators can handle up to 15-17v, I'd stick with maximum 15v because they may use 16v rated electrolytic capacitors on the circuit board.
    They're probably saying 12v maximum input voltage because above that, the linear regulator would burn itself up at high currents.
     
    So basically, let's say your board consumes 100mA and you power it with a battery with voltage 8v.
    You're wasting (8v-5v)x0.1a = 0.3 watts as heat, and you're losing 37.5% of your battery's capacity in the form of heat on the regulator, you are only 62.5% efficient.
     
    It's in your best interest to avoid that linear regulator and power directly from the 5v usb connector, without going through another conversion.
     
    You should use a step-down (buck) regulator that can give you up to 90-95% efficiency, or use a step-up (boost) regulator to boost 2 aa/aaa batteries to 5v, as you will have much longer battery life.
    There's even a special class of regulators called charge pumps which can half or double the input voltage and they do it with over 90% efficiency and they require only a couple ceramic capacitors and low voltage drop diodes.
    Here's an example: https://www.digikey.com/product-detail/en/on-semiconductor/MAX1720EUTG/MAX1720EUTGOSCT-ND/2705019
    Look at page 9 in the datasheet: https://www.onsemi.com/pub/Collateral/MAX1720-D.PDF
    Why am I suggesting this?  You can take 2 rechargeable AA or AAA batteries that give you around 2.4-2.6v and double it to around 4.5v (you won't get exactly double, because of the voltage drop on the two diodes) but that should be enough to power the arduino.
    There are similar chips like that which are through hole, here's an example: https://www.digikey.com/product-detail/en/renesas-electronics-america-inc/ICL7660SCPAZ/ICL7660SCPAZ-ND/1034928
     
    Two non-rechargeable AA batteries will give you 3v, and when you use doubler with that you get around 5.5v-6v... you can put a diode like 1n4001 or 1n4148 in series to drop a bit of voltage, bringing the voltage down to 5v-5.5v which is perfectly safe for the arduino chip, which should handle up to 6v for short periods of time)
     
    A rechargeable AA battery has around 2500 mAh of capacity... at 50mA, you'll have around 40-50 hours maybe more of battery life. You get about 10 hours at 200mA : https://web.archive.org/web/20181220122425/http://batteryshowdown.com/results-lo.html
     
    If you lower the frequency from 16 Mhz or whatever is the default to something lower, the arduino board should run with as little as 3v. 4v..4.5v should be more than enough for 8-12 Mhz, which is just a bit less than the standard frequency.
     
    As for your particular batteries, they should be "optimized" for high discharge, for motors, for current bursts... they're not ideal for very low constant discharge... they'll work for a silly arduino circuit but if you're a perfectionist nah, not cool to use them. 
  3. Agree
    BetaEffect got a reaction from andrewmp6 in What fluid color?   
    dont use colored fluid at all for watercooling if its a daily driver.
     
    think about painted tubes instead, like i did
  4. Like
    BetaEffect reacted to lvlasked in My new build done :)   
    And she’s up and running  I’m just installing things and updating drivers ect atm 
     




  5. Informative
    BetaEffect got a reaction from DominicNikon in What fluid color?   
    dont use colored fluid at all for watercooling if its a daily driver.
     
    think about painted tubes instead, like i did
  6. Agree
    BetaEffect got a reaction from Dmitry Markin in Hard Tubing build while on Quarantine   
    It is copper. see Asus webpage
     
    yes, totally unnecessary.
     
    You can still phone them or ask via mail. (confirmed information from 2 caseking employee i have in ts atm)
     
    dont go for colored fluid for a daily driver. its just for show. think about painting your tubes or use colored tubes in the first place.
    i use normal fluid in my loop with green colored tubes (spraypainted)
     
    if you never build a watercooled pc maybe try softtubing first. 
    my first watercooling loop was hardtubes but it was a real challenge and take alot of time.
     
    if you have any furhter questions you can also write me a PM. im from the same area as you, experience in hardline watercooling and direct contacts to caseking
     
     
    maybe consider other manufactures aside from thermaltake for watercooling components.
  7. Funny
    BetaEffect reacted to Spotty in PC turns on and off   
    - Threads Merged -
    Please don't post the same thread in different sections
  8. Informative
    BetaEffect got a reaction from TonnyM in PC turns on and off   
    Which motherboard are you using.
     
    My PC does this all the time. But its a start-up process of my motherboard (Asus Maximus X Code Z370) to precharge all capacitors.
  9. Like
    BetaEffect got a reaction from leadeater in LTT Folding Team's Emergency Response to Covid-19   
    passing the 3M points mark last night 🥳

  10. Like
    BetaEffect got a reaction from soldier_ph in LTT Folding Team's Emergency Response to Covid-19   
    passing the 3M points mark last night 🥳

  11. Like
    BetaEffect got a reaction from Murford in LTT Folding Team's Emergency Response to Covid-19   
    passing the 3M points mark last night 🥳

  12. Like
    BetaEffect got a reaction from OnionRings in Upgrades!!   
    1: Ryzen 5 3600 is a good choice
    2: Most boards have the new BIOS already flashed for new CPUs. It's noted on the box. If not, you can go to a computer store and ask for help.
    3: Excellent choice.
    4: Yes
    5: No debate here.
    6: The GP-12 are good enough. If you buy new fans: 3x 120 in front or 2x 140 in front + 1x 120 back + 1x 120 top. As long as you have more intake than exhaust you are good.
     
  13. Like
    BetaEffect got a reaction from TVwazhere in LTT Folding Team's Emergency Response to Covid-19   
    Joined the team with two 1080Ti's and an 8700k running full time to fight COVID-19.
  14. Agree
    BetaEffect reacted to berberries in Should I upgrade my laptop or save for a new pc ?   
    just save for a new pc.
  15. Like
    BetaEffect got a reaction from mattheginger in LTT Folding Team's Emergency Response to Covid-19   
    Folding all night long.
    Got my first points for the team and the WUs keep coming.
     
     

  16. Agree
    BetaEffect reacted to Danioki in Planning my loop layout   
    so I think you are saying something like this (GPU black missing still), tubbing just for testing, mine is translucent.
     
    I'll try like that. the difficult thing will be to fit the front rad -> res fitting, I think I'll need a 90ª.
     

  17. Like
    BetaEffect reacted to FakeGamerGuy in LTT Folding Team's Emergency Response to Covid-19   
    Got permission from my boss to run F@H on our machines at work. It's not much but a few 10-core i9s, GTX 1060s, and whatever misc. hardware I have at home (970SSC, 970SC, etc.) running in near-freezing temps should help a little.
  18. Like
    BetaEffect reacted to FakeGamerGuy in LTT Folding Team's Emergency Response to Covid-19   
    Setup my LED cube PC for folding again. Will also be setting up my spare hardware at work for 'round the clock folding.
  19. Like
    BetaEffect got a reaction from Danioki in Planning my loop layout   
    The vertical rad might be connected to the pump outlet and cpu inlet.
     
    In your setup, i would make the loop like:
    res/pump -> GPU -> Top rad -> CPU -> front rad -> res/pump
     
    top rad with fittings at the back and front rad with fittings on top.
  20. Like
    BetaEffect got a reaction from LordKitsune in LTT Folding Team's Emergency Response to Covid-19   
    Switched from Chrome to Firefox and it's working now. Thx and happy folding.
  21. Like
    BetaEffect got a reaction from DayDreamer2734 in LTT Folding Team's Emergency Response to Covid-19   
    Joined the team with two 1080Ti's and an 8700k running full time to fight COVID-19.
  22. Like
    BetaEffect got a reaction from LyNx_G in LTT Folding Team's Emergency Response to Covid-19   
    Joined the team with two 1080Ti's and an 8700k running full time to fight COVID-19.
  23. Like
    BetaEffect got a reaction from Dovahheimiik in LTT Folding Team's Emergency Response to Covid-19   
    Joined the team with two 1080Ti's and an 8700k running full time to fight COVID-19.
  24. Like
    BetaEffect got a reaction from Rallymax in LTT Folding Team's Emergency Response to Covid-19   
    Joined the team with two 1080Ti's and an 8700k running full time to fight COVID-19.
  25. Like
    BetaEffect got a reaction from ShortRouter in LTT Folding Team's Emergency Response to Covid-19   
    Joined the team with two 1080Ti's and an 8700k running full time to fight COVID-19.
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