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crasheral

  1. Good news: latest coil is 3x more powerful. Bad news: it consumed enough juice to fry my $90 motor controller. Trying new design today.
  2. Argh, looks like I caught a twitter virus. Please don't click on any of the links related to NBA championship or gameshows.
  3. Electromagnetic coil motor works! This 8.5" x 2" diameter coil moves a steel bar as plunger: http://bit.ly/2iuZCd
  4. The coil is complete now http://twitpic.com/oeo37
  5. Busy making a very large electromagnet today.
  6. Thanks @derekpokora @JudeThinks @iketches for RTs & comments on the #robot gripper. @derekpokora I'm happy to chat about arduino anytime!
  7. My robot arm uses a sensor to grasp a variety of delicate objects: http://is.gd/4Iwno Even grabs eggs: http://is.gd/4Iwlo
  8. Robot gripper meets an apple: http://bit.ly/7eONP
  9. This skiing robot is pretty interesting: http://bit.ly/ktA6n
  10. @jmatear Sure, lets set up a time next week to give it a shot.
  11. Second robot arm assembled now: http://twitpic.com/mh1w6
  12. Robot control via iPhone now working too, nice!
  13. @chayday True, though I won't try picking up eggs with the robot arm (or shaking hands with it) just yet.
  14. This is what my pen looked like after the robot arm picked it up: http://twitpic.com/m6vqd
  15. Hurray, the old merc started and ran for about 2min today! Wasn't firing on all cylinders tho. Next step: new spark plugs & wires.
  16. Merc had a fuel pump issue, so took it off & fixed it. Engine briefly fired up then quit. Charging battery, and will try again tomorrow.
  17. @jmatear thanks for the offer :) hopefully no more fried circuits today.
  18. My first attempt to build a motor controller is a flop. Smoke came out of my circuit board. Time to call it a day.
  19. More progress on the merc. Fuel leak solved and fixed broken wire near distributor. Now charging battery. Will try starting again soon.
  20. Engine turns over on the Mercury, so not seized after all. May get this old car running yet this year.