After a second test resulting in a working display yesterday evening, my 2nd attempt to get a breadboard version of K3NG’s Arduino CW keyer up and running turns out to be a success! This morning I soldered a female mini-jack and a speaker to the Arduino Nano and set the right pins in the Arduino…
Arduino keyer 1st attempt
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…