Tuesday, April 1, 2014

Well I found some more silly errors with my code, updated the link.  Just had my pins declared wrong and my array calls incorrect.
Meanwhile today the schools Maker bot 3d printer was being... well rather difficult is not a strong enough word.  Needless to say some foul language crossed my lips while in the heat of battle today with it.
What I learned from the maker bot today:
black ABS plastic + default settings + rafts = part moving around the build plate with the nozzle.  Too much fun.
Anyway we changed the build plate temperature to 115 C and slowed the printing movement down since the Maker Bot is on a table that allows it to shake a bit when moving between extrusions.
Tomorrow we will try 120 C on the build plate and see if that remedies my parts coming "unstuck from the build plate" issue.  We did get the last two corner mounts printed and now we will be working on the ultrasonic and servo mounts.  Servos for tilting the ultrasonic sensors with the Quad copter to keep them perpendicular to the walls.  It all makes sense, seriously.

I am thinking of trying out switch cases to replace some of the if else statements in the code.  Not sure how that will work since I would be trying to switch ranges.  I think something like:
switch(distancef)
{
case 1 ... 45:
do stuff
break;
}

yeah yeah I'm typing this from my vast knowledge in my brain and there are probably some syntax errors there.  Don't judge me I'm learning lol.

Back to the Quad copter.  Tomorrow I will post some drawings of the quad.  Those files are at the school on my laptop in my office so I don't have access to them right now.  Jimmy also finished redesigning the servo and ultrasonic mounts.  just go to one of his thingiverse posts listed a couple of blog posts back to see his work.

So, if we get all the parts printed within the new couple of days, and we get time to test the code I will be posting videos.  My current deadline for something proto typed and working is before April 24th 2014 for a presentation to the Industrial Advisory Committee.  So definitely look for updates between now and then.

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