• 13 Posts
  • 956 Comments
Joined 2 years ago
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Cake day: August 15th, 2023

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  • Effort vs Reward vs Ability vs Inital investment

    In most cases, think of this kind of thing like a legitimate business. Same concepts. I’ll grade a few scenarios based on what I have seen over the last 20 or so years. (The ratings are arbitrary and just trying to explain my point.)

    Do you have the means to rent a botnet and phish a few million people for lots of credit card numbers? Can you manage that kind of data, test all those numbers and maybe end up just selling that data? Low Risk/Moderate Reward (“Selling shovels” analogy is probably a better scheme than actually renting the botnet, IMHO)

    Could you setup a “call center” in India and run a scam ring like an 8-5 business? Are there enough people you can hire to do this work? That requires training, infrastructure and time. You also may need to “work with” law enforcement to ensure your scam isn’t busted by legitimate cops. Moderate Risk/Moderate Reward.

    Are you part of a small group with an insane amount of skill that has the time to pull off an extortion scheme against a Fortune 500 company for a few million bucks? High risk/High reward

    Those are all normal scenarios above and it’s based on profitability and initial investment. Risk/Reward is always a balance.

    (Sorry. I pulled a “wHellll aKshUallY” when you said it’s not worth the time for the small targets.)









  • Budget time for sleep. Period. It might take a bit of strength to commit to that based on whatever situation you are in, but it just takes practice.

    I have been in situations where I was absolutely forced to be awake for about 5’ish days but nothing else in my life after that ever forced that requirement. All-nighters were always a decision I made willingly and they never really worked out well for productivity.

    Still, I am a shitty sleeper and at this very moment, I only have time to finish this comment and get about 4 hours sleep in a strange hotel before I need to wake up for work. However, I am older now and less sleep seems to be the norm for my body.

    Managing being exhausted is a personal thing. Aside from drinking more water or coffee, I don’t think there are going to be many suggestions that will really help more than that.



  • Thanks for the pic! That helps visualize the situation for me. Unfortunately, I can’t be much more of a help.

    Getting a sense of how hot to get everything with air is a dark art. I can only say that it’s needs to be below the solder melting point and too hot to touch any part of the component.

    On top of the shield sinking heat, the board is likely using silver-based solder, which also requires high heat. (Flux would have a dual role in cleaning the area and also flowing some heat around the solder joint a hair more efficiently.)

    If it were my equipment, I would YOLO the iron temps and experiment with contact timing to get the factory solder melted enough to flow in some lead/tin solder. My tolerance for damaging my own stuff is super high though. (Brute-forcing as much heat on a small area before it gets the chance to dissipate is the logic here.)

    Practice makes perfect. If you have an old wifi/Bluetooth device you can risk destroying, it might have shields you can practice removing or soldering around. (Noise sensitive audio components are something else that might use shields as well.)