philfromseattle

Member Since: December 13, 2011

Country: United States

  • News - Vacuum Forming on the Sup… | about 2 years ago

    The problem with recycling stuff like blister pack material is that the mold marks, creases and so on don’t really come out so they show up in the final product. Painted material (like cheap signs) is another loser - the paint makes for stretch marks. Virgin material isn’t that expensive and worth buying to get great results.

    I did have good luck cutting up a 2L soda bottle for the straight sides. It would work fine in small former like Nick’s.

  • News - Vacuum Forming on the Sup… | about 2 years ago

    When I was 12 I got my mom to order chemicals for me. Potassium Perclorate, for example. Came in the mail. Was this a great country or what? I made some really great explosives with it. Lucky to have survived childhood!

  • News - Vacuum Forming on the Sup… | about 2 years ago

    Mostly HIPS. I bought some online for fairly cheap. I also tried ABS which makes for a much stronger product but takes a more heating. Haven’t tried acrylic yet though it does have some interesting advantages. I’ve been thinking about building a larger unit to build costume armor (think SW storm trooper stuff). The various plans out there all seem to have flaws so I’m kind of on my own (where I like to be anwyay…).

  • News - Engineering Roundtable - … | about 2 years ago

    Aren’t particle collection points where the wave reflections cancel? basically, standing wave patterns? That’s why the circular plate had round nodal patterns. A multi driver configuration might be a great way to create more complex patterns

  • News - Vacuum Forming on the Sup… | about 2 years ago

    VF is really easy to do. That’s a nice simple demo. I have to take exception to the use of “on the cheap” here, though. It’s cheap if you already have a laser cutter, SMD rework station and a microrax kit. If not, it’s kind of pricey. I built a much larger VF unit (12"x12") for about $15. Shop vac that i already had plus a vacuum hose fitting. My base is made of scrap MDF, frame from scrap 1x2 wood and gasket is left over weather stripping. I use a thrift store tabletop fryer for the heat source and chicken wire for the bed. There are lots of web sites showing how to do it with lots of great ideas. Sky’s the limit.

    One other point, I think you will find that size to be way confining. My 12x12 unit is good for items up 8" or so. I like to have a couple inch border. Especially if your mold is more than an inch high.

  • News - Open Source Hardware Ques… | about 2 years ago

    First off, it is a bad thing when they are spending energy fighting with you guys. They should be focused on broadening the reach of OSHW.

    While the logos may have some similarities, the cogs on the oshwa logo make it very clear it’s not the same. Would a reasonable person be confused? Not at all. Are they sending d*ckhead letters to the Inifinti people - their logo seems closer than yours does. Though, I think their’s is a better logo because it will look clearer at small sizes.

    It’s not clear to me what they are asking for. Do they want you to change your logo? Or are they just protecting theirs? I would suggest your group focus most energy on things other than a logo fight. If you can, just “take a license” and leave your logo alone, they are protected.

    Eventually you will probably change your logo anyway so I wouldn’t put a lot of effort into it now.

  • Tutorial - Digital Caliper Battery Hack | about 2 years ago

    That is a 10X better solution. Another approach is to cut a thin plastic shim and insert it under the battery. Not as elegant but a lot quicker to do. If you get a new caliper, you could just save the shim that comes with it. Kind of annoying that the designers got lazy.

  • Product DEV-11117 | about 2 years ago

    Lots of people overclock the 32u4. It’s quite stable at room temp. I’ve seen conjecture that it doesn’t have the same temp range at 16mhz/3.3V. My 2 3.3V teensys have been rock steady. I wouldn’t ship a product based on it though.

  • Product DEV-11117 | about 2 years ago

    Oh, guess I should change my 3.3V teensy that I’ve been using for 3 months back to 5V so it can work.

  • Product DEV-11117 | about 2 years ago

    Can the bootloader from the pro micro be loaded on this one? Given that it brings out all the 32u4 i/o pins and costs $5 less, it looks like a better “leonardo” than the pro micro.

No public wish lists :(