Displaying Signal Quality

A project log for Yet Another Doppler Direction Finder w/ Teensy DSP

An update on WA2EBY's May/June 1999 QST Homebrew DDF/Radio Direction Finder

MartinMartin 03/08/2019 at 07:470 Comments

I am using a single white LED to show direction.  The remaining array can be used to convey signal information with different colors.  I am testing the audio input for the amount of Doppler tone and 2nd harmonic are present.  Currently the Doppler tone is used to turn the white position pixel on or off.  The combination of the two are used to show a variety of background colors from red to green.  Pix to follow...