[NRVR-Members] Eggtimer Build Party Sign Up

[Adrien Drouault]

Hey, thanks for reminding me ... I have a USB endoscope as well.  Sadly, it
can't focus close enough for what I originally hoped to use it for
(inspecting firearm bores), but it might be handy for something like this.

Adrien

On Tue, Dec 11, 2018 at 11:50 AM Jordan Truesdell <jordan at truesdell.org>
wrote:

> I just remembered I bought a USB endoscope for my site investigation bag
> and never ended up using it. It is this one
> <https://www.amazon.com/gp/product/B01MY95HFJ/> at Amazon for $12 - there
> are newer/better ones out there I'm sure.  Anyway, it plugs into a phone
> or laptop - I just tried it on mine and, with an extra set ot helping
> hands, might be a cheap compromise over the video microscope. This
> (dropbox link)
> <https://www.dropbox.com/s/8qy57doz9jslip4/WIN_20181211_11_40_51_Pro.jpg?dl=0> is
> an image I took handheld. The module is already shrink wrapped, but that's
> the edge of the GPS board - and it was full screen on my 12" laptop so
> pretty easy to see. The scale in the "distance" is a 1/100" machinists
> scale, and its laying 1/2" beyond the GPS connections in the foregreound,
> so it has decent enough depth of field - certainly better than the head
> magnifier I have.
>
> --
> Jordan
>
> On 12/11/2018 10:57:59 AM, Weeks, Thomas <t.weeks at vt.edu> wrote:
>
> Yeah.. a bench magnifier lamp is barely adequate.. (not sure about the
> EggTimer component scale)..
>
> Using the Harbor Freight headband can be a little awkward, but works
> really great for the up close stuff and is by far the cheapest way to do it:
>
> https://www.youtube.com/watch?v=7J0TIvqErZ4
>
> https://www.harborfreight.com/38896.html
>
>
> Especially if, like Jordan, you hack yours up with cool LED light bands:
>
>
>
> But yeah.. I also have a "video microscope station" I've pieced together
> for around $100 using a solid metal USB microscope and a RaspberryPi +
> cheap hand-me-down dell Monitor:
>
> https://www.facebook.com/ThomasW.Weeks/posts/10202794583826042
>
> <https://www.facebook.com/ThomasW.Weeks/posts/10202794583826042>(medium,
> high and maz zoom levels):
>
>
>
>
>
>
> Though now days China MAKES a complete USB microscope WITH mini display
> for cheaper than what I can build mine:
>
>
> https://www.aliexpress.com/item/Digital-Video-Microscope-600X-4-3-3-6MP-LED-Magnifier-microscopio-for-Mobile-Phone-Maintenance-QC/32835634618.html
>
>
> If I had it to do again.. I would probably just buy one of those.. they
> look pretty sweet (and are more portable than my luggable station).
>
>
> But if you don't do much soldering like this.. then I recommend the Harbor
> Freight magnifier for $5 and a bright light source:
>
> https://www.harborfreight.com/38896.html
>
>
> T.Weeks
>
> ------------------------------
> *From:* nrvr-members-bounces at server2.nrvr.org <
> nrvr-members-bounces at server2.nrvr.org> on behalf of Jordan Truesdell <
> jordan at truesdell.org>
> *Sent:* Tuesday, December 11, 2018 9:59 AM
> *To:* Jim Stoll via NRVR-Members
> *Cc:* bruce fette via NRVR-Members
> *Subject:* Re: [NRVR-Members] Eggtimer Build Party Sign Up
>
> I actually had more issues with the RF board.  I did mine with a
> magnifier headband - though mine has two added diopters, and the middle one
> was best for fine work. I think Tweeks recently got a digital microscope.
>
> --
> Jordan
>
> On 12/11/2018 9:49:20 AM, Bob Schoner <bob.schoner at gmail.com> wrote:
> I tried to solder the GPS unit on the mini transmitter. Spent 2 hours with
> various magnification options but couldn’t get a single pad soldered though
> I was able to bridge several pads.
>
> I have lighted magnifier headband, table top, and specs but they were
> either not enough magnification or too much. What are you folks
> using/recommending for this?
>
> Bob
> On Tue, Dec 11, 2018 at 9:08 AM Jordan Truesdell <jordan at truesdell.org>
> wrote:
>
> If you would like to participate in a build party for the Eggtimer
> Rocketry electronics (already purchased, or available from
> EggtimerRocketry.com <http://eggtimerrocketry.com/>), please fill out the
> following Doodle poll:
>
> https://doodle.com/poll/mkmi8zsh668rzrzs
>
> The poll will close on Saturday, December 15th so CHOOSE NOW
> <https://doodle.com/poll/mkmi8zsh668rzrzs>. I will then announce the
> definite date+time to everyone and will follow up with a location at
> a later date.
>
> Feel free to email me any questions, and to forward this to rocket
> builders who are off-list.
>
> --
> Jordan
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-- 

*Quidquid latine dictum sit, altum viditur.*
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