Circle and Square

I ran across a nice way of measuring the temperature of the CPU chip on the Raspberry Pi:

Do this:
$ cat >/usr/local/bin/temperature
/opt/vc/bin/vcgencmd measure_temp
$ chmod u+x /usr/local/bin/temperature

Then you can do this:
$ temperature
temp=57.3'C

zipTimer: an iPod/iPhone app for pacing piano practice, cooking, workouts, you name it.