Let's Make Robots!

mr basic

Mr Basic - drive train too stiff for motors to move...

I just picked up a Mr Basic kit from one of those free shipping Chinese stores. It's gone together OK, but the drive train is really stiff and the motors can't move it (even on 6xAA NiMH). Any tips?

Drives over most stuff, occasionally flips over.
Using a
Mr Mountain Monster (MMM) was originally named Mr Suspense because his main modification to the Mr Basic kit from DAGU is the suspension and flexible drive system. … Read more

mr Dozer

im redoing brainy basic into a much better robot.
ive looked and learnt with robotics this summer, ditching the picaxe which i didnt get on with for the arduino.
basically he will be a bulldozer but with attitude.

Start where?Almost a full year on LMR and still no "start here" robot. That would be getting really silly. Especially with all this Mr Basic stuff going on. This … Read more
Update July 1, 2009 As Rik pointed out, some more details would be helpful. Firstly, more pictures can be found at … Read more

Help with Mr Basic

I have assembled Mr Basic with 4xAA bateries, and tried L293D and L298N but with no luck, seems that it needs more power.

I would love to have some help building an H-Bridge with some kind of transistors, I know a lot of websites with lots of schematics, but I don´t know what are the best transistors to use, any help would be appreciated  :-)

In working on my Mr BASIC kit, I needed a method to add a PICAXE 28X2 AXE020 board. This simplest way was to add longer spacers and "hang" the AXE020 under the … Read more

New robot in the making

My Mr basic is almost completely assembled now. As many of us, I ran into difficulty with the axles of the front wheels.

axle_soldered.jpg