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I managed to finish my first robot on witch I spent a lot of time, mostly because a lot of stuff was new to me. It is not very complicated but it seems to do it's job well. I posted everything about the build on my blog and also the parts I used (and the ones I rejected). It is a Tamiya tracked platform with dual gearbox. I used an Arduino UNO and a SeeedStudio motor shield to drive it from a 11.7 lipo battery I had from my RC heli. It uses a Ultrasonic sensor to look in front and also a DIY IR sensor ...
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/my-firstmonster-or-fm-for-short