One of my first robots. Built to demonstrate simple navigation and pickup rotines.
This is the back of the robot. It shows the pneumatics engagement component. When the front sensor is triggered, this gear shifts the CAM beam, which in turn changes the valve of the pneumatics. This will open or close the claw.
My LEGO Robotics, DIY Hacks and other stuff
The BluBot was designed in part to meet some of the challenges that have been discussed on R.T.L etc.. The idea is this:
The BluBot will move around an arena in a random manner until the light sensor detects a yellow ball (reading 44-50).
If the ball is not yellow, BluBot will backup, turn and continue. If it is yellow, BluBot will drive forward to collect the ball. Once the balls have been picked up, BluBot sets out to seek the black line around the arena. Once it is found, BluBot starts a line-following algorithm. Once the main drop-off is reached the kicker will engage and dispense the balls into the holding area. The method in which this is done can be better seen below.