Made the board for the K5TRI Ardukeyer based on K3NG’s code so that
I can use paddles with the TS-940S.


I used Eagle for the schematics and PCB layout and then transparencies
printed in the laser printer and heat to get the layout onto the board. Some
time bathing in Ferrite-Chloride Acid does the rest.

Let there be audio

Quick hack with an LM-386 for an audio amplifier I needed for one
of our rooms.

From this:

Then this:

And finally found an enclosure:

Signals looked nice and clean on the scope and sound is sufficient for it’s

K5TRI Rotorduino Source Code

Update 4/8/2016: Code is now on GitHub

I finally found some time to post the source for my rotor controller I posted about a long time ago. Maybe some day I will also find time to make the schematic. I never drew schematics in a proper tool other than on a piece of paper. It should however be somewhat self explanatory. As the saying goes:”The documentation is in the source” :).
Continue reading