Design a User-defined robot of your choice (or you can use the URDF file) and enable the LIDAR Scanner so that any obstacle placed on the path of the light scan will cut the light rays. Visualize the robot in the Gazebo workspace, and also show the demonstration in RViz. (NB: Gain knowledge on wiring URDF file and .launch file for enabling any user-defined robot to get launched in the gazebo platform.) SLAM : One of the most popular applications of ROS is SLAM(Simultaneous Localization and Mapping). The objective of the SLAM in mobile robotics is to construct and update the map of an unexplored environment with the help of the available sensors attached to the robot which will be used for exploring. URDF: Unified Robotics Description Format, URDF, is an XML specification used in academia and industry to model multibody systems such as robotic manipulator arms for manufacturing assembly lines and animatronic robots for amusement parks. URDF is especially popular with users of the Robo
Some Examples of IO Devices
Serial Input devices: Audio/video input, dial tone in a telephone
Serial Output Devices : Audio/Video Output, Dialing a Number
Serial UART Input: Modem, Keyboard, Keypad, Mouse
Serial UART Output: Modem, printer
Parallel Port Single bit input: Filling a liquid up to a fixed level
Parallel Port Single bit output: Pulses to an External Circuit
Parallel port Input: Encoder inputs for bits for angular position of a shaft
Parallel Port Output: Printer driving output bits
Serial Device
Serial Devices operates in three modes
Synchronous
When a byte or frame is transmitted at a constant time interval with uniform phase difference, then the transmission is said to be synchronous
Examples: Frames sent over a Local Area network.
Asynchronous
Here byte or frame is transmitted at random time intervals
Iso-synchronous
It is a special case where the max time interval can be varied
Serial Input devices: Audio/video input, dial tone in a telephone
Serial Output Devices : Audio/Video Output, Dialing a Number
Serial UART Input: Modem, Keyboard, Keypad, Mouse
Serial UART Output: Modem, printer
Parallel Port Single bit input: Filling a liquid up to a fixed level
Parallel Port Single bit output: Pulses to an External Circuit
Parallel port Input: Encoder inputs for bits for angular position of a shaft
Parallel Port Output: Printer driving output bits
Serial Device
Serial Devices operates in three modes
Synchronous
When a byte or frame is transmitted at a constant time interval with uniform phase difference, then the transmission is said to be synchronous
Examples: Frames sent over a Local Area network.
Asynchronous
Here byte or frame is transmitted at random time intervals
Iso-synchronous
It is a special case where the max time interval can be varied
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