A stereo camera or Lidar is needed to build a map of the environment. It’s preferable to choose one that comes with an IMU built-in:
The robot needs a controller that accepts a ROS Twist message. The following will do this:
In addition to odometry estimated from the stereo camera or Lidar, these sensors will add to the overall robustness of your robot knowing it’s own location in the map:
The following Ubuntu computers have enough processing power and memory to keep up with navigation:
If you’re interested in building a custom robot, here are some examples on how to get started with generic build instructions.
Inexpensive but might reach processing and power limits; for new engineers on a budget
Mid-price with robust software; for research engineers
$1,200 – $1,500
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