Posts tagged with robotics - page 3

Controlling turtlesim using a Gamepad | ROS

This is a sample program I wrote to learn ROS. I have used linux joystick api to directly capture values of the analog stick of my joystick (F710 Wireless Gamepad). These data are then directly send to the turtlesim/cmd_velocity as a geometry_msgs/Twist type.

Vision Based Line Follower using opencv

The robot is powered by beagleboneblack using a 1500mAh Li Ion Battery with a differential drive mechanism.

A Differential Drive Mobile Robot using BeagleBone Black

Finally start working properly. Need a better voltage regulator and a better battery pack! Voltage spikes when BeagleBoneBlack starts. After a while the BBB will shutdown due to voltage fluctuations… :-( WiFi module in BBB is drawing so much current.