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bob345

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About bob345

  • Birthday Nov 15, 1993

Profile Information

  • Gender
    Male
  • Location
    San Jose
  • Interests
    stuff
  • Biography
    things that happened
  • Occupation
    systems engineer
  • Member title
    Systems Engineer

System

  • CPU
    Ryzen 3900X
  • Motherboard
    msi z570 Unify
  • RAM
    32GB Kingston hyper X 3200mhz
  • GPU
    EVGA 1070 superclocked
  • Case
    Phanteks evolve x
  • Storage
    Sabrent rocket 1tb pci 4.0 ssd
  • PSU
    Seasonic x650 gold
  • Display(s)
    lg 21:9
  • Cooling
    Corsair H100i
  • Keyboard
    Ducky one two skyline
  • Mouse
    Corsair M65
  • Sound
    Focal 706

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Community Answers

  1. bob345
    Looks pretty good. Id say it may be a bit over edited for my taste. Id say reduce the clarity setting a bit to get rid of the glow around the edges of the roof. Good composition! Here is a set of photos i took of my Fuji X-pro 3. Trying out some "product photography" type composition Photo's where taken with a X-pro1 with an adapted ef mount sigma 24mm f1.4
  2. bob345
    Not much open source stuff that i know of that is comparable with something like cadence Virtuoso. The skywater PDK that google just released is pretty amazing as it looks to be one of the first open source process design kits out there. IIRC there is also a workflow being developed that ties in with yosys/nextpnr that would allow for fairly complex ASIC's. https://github.com/google/skywater-pdk Edit: Somthing you may want to follow is the FOSSI Foundation as they are putting quite a bit of effort into making open source silicon, FPGA/ASIC'a a reality. https://fossi-foundation.org/
  3. bob345
    New CNC mill came in last Monday.
  4. bob345
    Not sure why so many people are going on about latency. A satellite link can potentially be significantly lower in latency than fiber as propagation of microwaves. Fiber is two thirds the speed of a radio transmission when it comes to travel time. That and you can often have a much shorter hop with a satellite network.
  5. bob345
    Ehh, in practice, as an EE you still need to be pretty knowledgeable on the software and logic side especially if you're getting more into system level design where you need to work closely with a software team to make sure ports are mapped properly. Most people i know that still have computer engineer as their title tend to do most of their work with either FPGA or ASIC HDL. Its Sort of hardware, but in a very different way than most people think.
  6. bob345
    It depends, Computer engineers tend to work at much lower levels than most with a computer science degree will. This includes being heavily involved in the HDL (hardware description language) design of ASIC's and IC's as well as programming for FPGA's and CPLD's. You will absolutely learn allot of different programming languages, but the focus will be at a much lower level. There is also typically some amount of hardware stuff, but not to the same degree as you would get with a EE degree.
  7. bob345
    Put together a subwoofer kit from parts express for my PC audio. I got it in the mail today and about 4 hours later i finished it and now have it working.
  8. bob345
    An antenna is (usualy*) a passive element. a 100W antenna will only radiate the power you put into it. Like others have said, a higher gain antenna would be a good choice. If you're coming from the pcb antenna on those es8266's, an external antenna alone should give you a significant increase in performance. You could use a Wilkinson divider to connect two high gain antennas. This would give you better performance than an omni directional antenna while still giving you coverage in two directions. You will have to be careful with positioning and cable length though to avoid signal integrity issues. What exactly are you trying to do? 200 meters is already a stretch for wifi. You may be better off using a LORA system for what you are trying to do.
  9. bob345
    I mean sure??? As long as its not a beryllium oxide ceramic lol. This honestly seems like more of a marketing gimmick than an actual problem being solved. Sure its better, but is the likely very small benefit really worth the extra cost? Probably not. This stuff was developed and is mostly used in high performance rf and microwave electronics mainly for its dielectric properties iirc. The marginal improvement in thermal performance isn't going to be worth the increase in cost for an ssd.
  10. bob345
    Because electronics don't live long when fed by a cheap inverter that effectively puts out a "modified" square wave
  11. bob345
    Going to need a bit more info to give you any good advice. Budget? use requirements? I will tell ypu right off the bat that you will absolutely need a new power supply for this PC as well. It looks like it only has a 200 watt psu which definitely wont handle any gpu that requires external power. That and it looks like the case only supports the short form factor gpu's. Not many options there aside from workstation and htpc stuff.
  12. bob345
    There wont be anything in that budget that can give you reasonable precision with metal or frankly any material. There are allot of cutting forces even when you are cutting a soft wood. Anything in that price range i would consider a cnc router. A cnc mill will easily start at ~$2000 for a DIY cnc conversion of a Chinese milling machine. The lowest cost CNC that i could recommend for getting accurate cuts would be something like a Tormach pcnc 440.
  13. bob345
    I guess this means at least old wii's may become somewhat useful.
  14. bob345
    We are not talking about sabotage by an assembler. The kind of change we see on this computer would require a documented ECO before it would make it in to any production part if the company knows what they are doing. Stuff like that will go through a design review, prototype revision, and then to production. Its not something a single worker can do on a whim. What likely happened is there was a issue/flaw with the design (EMC?), management didn't want to miss their deadline, so engineering had to come up with a band-aid solution to make their target ship date.
  15. bob345
    That would be this one. Been doing allot of rf/microwave stuff lately. http://eprints.whiterose.ac.uk/101539/1/Synthesis and Design of Suspended substrate filters for DM PA.pdf
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