[NRVR-Members] Eggtimer Build Party Sign Up

Weeks, Thomas t.weeks at vt.edu
Tue Dec 11 09:29:09 CST 2018

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:



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>(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:


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:



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.


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?

On Tue, Dec 11, 2018 at 9:08 AM Jordan Truesdell <jordan at truesdell.org<mailto: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:


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.

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