RaspberryPi temprature and record your voice and USB drive

/sys/class/thermal/thermal_zone0/temp on a recent Raspdian. Divide it by 1000 for degrees C.

cat /sys/class/thermal/thermal_zone0/temp

Record your voice:

arecord -l
aply -l

sudo arecord example.wav -D sysdefault:CARD=0 works flawlessly


USB drive

This guide explains how to get your External USB Drive to be recognized and automatically mounted using Raspberry Pi

Open a command prompt

Type
sudo bash and press enter

apt-get install usbmount and press enter

The software will now install

After it installs type
df -h and press enter

# cd /media/

you will see usb drive