Last night at the radio-club I did some puzzling for my 1st attempt to build the K3NG’s Arduino CW Keyer. I want to build one especially to train Morse code keying. Therefor I need a display attached to the keyer and some training software. I have a Hoxo 1621 4-bit 16×2 display laying around so…
Serial problems Ultimeter – TM-D710
After a few successful months, again we have serial problems with the connection between the Peet Bro’s Ultimeter 2100 weather station and my Kenwood TM-D710. A few days ago I noticed some ‘flat lines’ on aprs.fi in my weather station telemetry. That is extra weird if you think about it. If telemetry is flat lining…
Kenwood TS-590 firmware update
This page triggered me to check if my TS-590 needs a firmware update. In the olden days they use to say: if it ain’t broke, don’t try to fix it. But nowadays new firmware does not only fix problems/bugs but it also adds new features that was not possible before. I checked and saw my…