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Campus Party - Berlin 2012

By TinHead

May 21, 2012
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Hi LMR,

As you might seen on the first page a new CP is going to happen in Berlin on 21-26 August in an airport :D 

I'd like to go, last time I got invited but even without an invitation the trip would be somewhere around 400 Euros including the airplane ticket, and if it will be like the last time it will be worth going. 

Frits can you post some more info on this when you get some time/more inside info?

Cheers!

Tip/walkthrough

Making PCB's the inkjet way

Reveals yet another cheap method of making PCB's at home.

 Collected by 8 members
 
Hi all, Yes you read the title right, I'm going to describe here the method I used to create the above PCB using an INKJET printer. Prerequisites: 1. Inkjet printer … Read more
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Robot – work in progress

TB-2

nothing it's a freaking wip (rolls around blindly)

 Collected by 8 members
 
  Hi all, This is the new bot I'm working on, simply called Tracked Bot #2 - TB2 It's pretty much a WIP and it will stay so for a while ... in the mean time … Read more
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Robot

Z-39

It is controlled trough IR commands
Using a

 Collected by 11 members
 
Hi all, This is it! As I got a fully (more or less) functional CNC (see here: http://letsmakerobots.com/node/24217), I can finally start doing what I have intended … Read more
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Robot

CRAB - a 4WD bot - now industrial yellow/black :)

Got it moving around
Using a
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 Collected by 9 members
 
  Hi all, Behold my new little toy, the CRAB. This is my attempt at creating a 4WD rover like bot, the main target here beeing making use of the little motors I … Read more
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Something Else

Prusa - a new RepRap Mendel - now I need a name for it

It prints plastic parts to help me in my plan to conquer the world ... bua-ha-haaa

 Collected by 17 members
 
  Hi LMR, I have finally decided to take on the challenge and build my own 3D printing machine. While I usually try doing things from scratch, this time I have … Read more
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Blog entry

Campus Party - Milenio 2011

By TinHead

August 31, 2011
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Hi all,

It looks like Spain misses us, they doing yet another Campus Party with free invitations. So I'll post my tank and the crab and hopefully some of you will do the same and we'll have a little LMR reunion :D

If you were ther before you should get an emil in spanish, if not you can subscribe here for an invitation:

http://milenio.campus-party.org/2011/main.html

Cheers and maybe see ya there friends!

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Forum topic

I need advice for a power transistor

By TinHead

August 22, 2011
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Hi all,

Since DanM posted his laser blog I was hooked to the idea of pulse driving laser diodes.

I have created my own pulsing hardware using an ATMega328 to generate a 62.5 ns pulse at 16 Mhz, driving the diode trough an ULN2803 (Toshiba made) which seems to be able to respond well to such short pulses. 

However the ULN2803 is limited in power output so the highest current I could sink is about 700mA (I know the ULN2803 is limited to 500mA yes) by parralelling outputs. At this level the ULN2803 is way over its limits and starts overheating.

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Blog entry

What does it take for you to call your creation ready, done?

By TinHead

June 15, 2011
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Hi all,

It seems I never can call anything I'm working on done. I always have to fix this and that, tune this and that ... in the end I'm fixing and tuning it to the bitter end as it happened to Z39 ... it never ends I'm never really happy with it, the same as with the CNC machine. Finally I just start working on something else leaving the old project gathering dust ... just to discover it after a while and start all over again :)

So how do you guys go about this? How do you arties handle this? How about you techies? 

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Blog entry

Review: Solarbotics Zendulum

By TinHead

May 21, 2011
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Intro:

It's time to find a sunny spot in the house, put on some chillout background music, light some aromatic candles, all in all prepare to get in a Zen mood :)

Ready? Good. The last missing piece is the Solarbotics Zendulum to complete the scene:

Embedded video: 
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