Robot articles

Motor Suppression in Robot Wars

Robot wars is a hostile place for motor controllers, and motor suppression should be given careful thought. The main areas for concern are; Shock and vibration caused by collisions and weapon strikes. Electrical noise spikes Read More

Starting with Robots

We get a lot of of enquiries from Robot Wars contestants who don’t know where to start building their robot. I sometimes get the impression that they are starting with the robot control system – Read More


Torque is not really a controller function, but it is directly related to the current flowing in the motor. The mechanical torque is proportional to the motor current and the relationship is defined by the Read More

Robot Steering

Introduction Quite a few Robots have steering problems initially. These notes are to help you set up the mechanics and electronics. In order to steer in a straight line, any machine which is driven by Read More