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Pastorcasper 2.0

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    Pastorcasper 2.0 got a reaction from Ben17 in small off grid solar   
    So, I'm looking at solar power to get for a friend out on the Navajo Reservation (Arizona US). It would need to be quite durable as they have lots of small sandstorms, whirlwinds and sometimes hail. It doesn't need to have to be able to put out lots of power, it just needs to be able to charge a few devices off of USB. I have so far found this...
    https://gosun.co/products/solarpanel-30-plus   https://gosun.co/products/powerbank-plus so
    1) does what i have found look like it would work well and give enough power etc.
    2) is it worth the price
    3) are there better alternatives
  2. Agree
    Pastorcasper 2.0 got a reaction from ToolMan in GPU or Motherboard issue?? (graphic glitches)   
    ive tried fully uninstalling and reinstalling drivers, updating and whatnot. and the only problem with trying onboard graphics, is that most of the problems occur when gaming except the blackscreen issue which i can't replicate on command and doesnt happen too often. I will see what i can do as far as troubleshooting with onboard graphics though thanks
     
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    Pastorcasper 2.0 reacted to IvarD in I can only have one fan should it be an intake or exhaust   
    I'd say go for exhaust. Why?  Because the interior of the case will be filled with hot air comming our of the HDD, SSD, CPU and/or GPU. The way CPU heatsinks usually work is not by grabbing cool air to the CPU but rather exhausting the hot air around said CPU.
     
    The idea with a case airflow is to cycle/refresh the air inside it as quick as possible, and air (or any fluid) that is not moving has a higher pressure than moving air. Meaning that if you add an intake fan it won't take in as much air as you would want it to. Having an exhaust fan reduces this pressure and takes out the hot air inside the case. This negative pressure will force air to get into the PC through any space it has.
  4. Like
    Pastorcasper 2.0 reacted to Hackentosher in Soldering: The basics - Equipment - Do's and dont's   
    Ooh a fun thread! As an EE student at university and working on a technical lab, I find myself doing a lot of soldering and I like to think I've gotten kinda good at it. I started soldering surface mount last year and now I'm able to populate a 50~ component board using all itty bitty surface mount parts in a few hours. I'd share pictures, but this particular board is IP for a project we're working on . Anyway, I'd like to share my preferred tools, materials, and techniques that I've picked up over the years. I'll break it down into sections bc I have a lot to say on this mater
     
    Tools:
     
    Supplies:
    Technique
     
    Wow I just wrote for like an hour straight, and even then I didn't cover the super basics like what soldering is oops. I've been meaning to write all this down bc I've been thinking about all the knowledge and experience I've gained in this skill especially over the last couple years, and I hope I communicated my experience effectively and provided meaningful/useful advice. I've learned a lot through trial and error so I hope I'm able to communicate what I've learned so others don't have to make the same mistakes I did. I also learned a lot (especially about surface mount soldering) from watching Louis Rossman's board repair videos. I think he really help solidify my technique and improve my confidence in my surface mount abilities. Lemme know if I should clarrify or add anything, I understand this is by no means a comprehensive guide/list, especially because it's midnight-30 as I wrap this up lol. Also I skimmed through @mariushm's post and it's pretty fantastic. Much more beginner friendly overview of the different solder alloys and more generic overview of tools. In this post I just wanted to share the specifics of what I've learned  and what tools I see as a necessity. Happy electronics!
     
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    Pastorcasper 2.0 got a reaction from Hackentosher in Soldering: The basics - Equipment - Do's and dont's   
    @Hackentosher great post thanks for some tips and info 👍
  6. Agree
    Pastorcasper 2.0 reacted to mariushm in Soldering: The basics - Equipment - Do's and dont's   
    Don't touch the hot iron tip with your fingers, you'll burn yourself.
    Wash your hands with soap after soldering with leaded solder.  If you can't help yourself and you're picking your nose or licking your fingers and you want to minimize the risk of ingesting particles of lead (from manipulating lead based solder), use some gloves (latex or whatever, doesn't matter, you can buy packs on Amazon)
    Try to minimize inhaling the smoke which is produced when soldering, even though it may smell nice. This is because the smoke contains flux (residue or not), and as I explained in the long thread I made in this same section, flux is acid and over long periods of times it can affect your lungs.
    Lead based solders have milder fluxes, lead free solders often have stronger acids and you have to pay a bit more attention with them.
    Basically, have a cheap usb fan or a case fan (80/92/120mm) at low speed blow some air across the surface where you're doing soldering, so that the flux residue (smoke) doesn't get in your noise and mouth.  Maybe open a window if it's not cold outside, but it's not critical, no need to be paranoid about it.
    If you're doing soldering for hours at a time every day, it's worth investing in some air purifier with some activated carbon filter / hepa filter / whatever, so that the flux residue in the air can be caught in the filters.
     
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