First of all, when did you last see an organ grinder?

Today’s Q and A session revealed a few things. Dave made copious notes before setting off early for the theatre. But for those who couldn’t make it I made a few as well…

Software Mentions

I mentioned it and then couldn’t get to the examples on the internet. The club house is a victim of a ‘slow internet’ connection.

GNU Plot home page  
Gnuplot Primer 
Plotting sensor data using GnuPlot 
interfacing early 90’s HQ digital oscilloscope from LINUX 
FIR Filters by Windowing – using gnuplot 

GIMP – Graphics Manipulation Package 
4 Themes That Will Make GIMP 2.8 Look and Work Like Photoshop 

LinPsk – PSK31 for Linux  [download from Sourceforge]
A Slice of Raspberry Pi

WSPR on the Pi.

Also mentioned

A Cross Platform and Open Source Electronics Design Automation Suite
Thanks Nic!

Audacity Audacity® is free, open source, cross-platform software for recording and editing sounds.

Audacity does work on my ‘old’ Pi. But would work much better on a later model. JB