Frequency Domain Rangefinder

Back to overview

A rangefinder for detecting vehicles getting too close

Ranarchy

Back to overview
Files 1
Components 0
logs 0
Instructions 5
Discussion0

1

Step 1

Step One: Generating a Sine Wave using a MicroController:
2

Step 2

Step Two: Driving the Illuminator with the Sine Wave
3

Step 3

Step Three: Collecting the reflections of the Sine Wave
4

Step 4

Step Four: Performing an Integer Fast Fourier Transform on the reflection data
5

Step 5

Step Five : Pick out the Sine Wave Frequency in the FFT and determine Range to Object

Discussions