[CW] Good Sounding Sidetone or Code Practice Oscillator Kit

[pa0wv]

Here is the link to my website with a sample 20 through 50 wpm
with 18ms slope, cosine squared, 680 Hz pitch, no errors in DAC,

http://pa0wv.home.xs4all.nl/n1ea/demo18ms.wav

73 PA0WV