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Project Overview
Project Overview
Being able to electronically map an environment is a useful ability for anything from self driving cars to mapping the sea floor. Sonar is a common, relatively cheap, method of mapping an area. In this project, I used a sonar sensor mounted to a stepper motor to pan around its environment and plot the recorded values.
March 2019
Desired Properties
Desired Properties
Interactive Homing
Interactive Homing
Before starting a scan, the program should prompt the user to position the sensor. It will also need to display the current value taken from the sensor.
Adjustable Resolution
Adjustable Resolution
The resolution that the sensor will use must be easily adjustable. It will allow for quick changes to the scan quality, data size, and execution time.
Store Data to SD Card
Store Data to SD Card
Data should be written to an external SD card. This will allow for storing large data files as well as separate scanning runs
Final Result
Final Result
The mapper worked as intended and met all of the initial desires. The next steps with this design is to construct a 3-axis mount that will allow for an entire room to be mapped in three dimensions.
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