download
https://www.raspberrypi.org/downloads/raspbian/
verify sha256sum
1b4e8ba6ec721d8aa01f093343ca5656a57c69a8a84dc5921aaed46b2cb59e89 2019-04-08-raspbian-stretch-full.img a3ced697ca0481bb0ab3b1bd42c93eb24de6264f4b70ea0f7b6ecd74b33d83eb 2019-04-08-raspbian-stretch-full.zip f115c01a8257024a3b17ba8e9d2032f4c687deb3adc0f4ae25436bfc8cdbf5ad 2019-04-08-raspbian-stretch-full.zip.torrent d4e7d2caa051432a3b6f320c44939b9f65fd454d957904d1cb9fc1c1683ed716 2019-04-08-raspbian-stretch-lite.img 03ec326d45c6eb6cef848cf9a1d6c7315a9410b49a276a6b28e67a40b11fdfcf 2019-04-08-raspbian-stretch-lite.zip bd30c6b247ac4d71ba45a1837eebe6379cd6ed64d9eeac3f31dced0f601d1a8d 2019-04-08-raspbian-stretch-lite.zip.torrent 7810593dc49cd179b5991c8987ddcc1d99bf29ed3e186d3bff2273bc9e807de0 2019-04-08-raspbian-stretch.img 7e10a446f8e57210d0e9ad02f0c833aabb86e58187b4dc02431aff5a3f1ccb83 2019-04-08-raspbian-stretch.zip 1c0698a31a4c9e7916c3bdf3cc35efc74449f35aa4a543e154759f3b5d24ec81 2019-04-08-raspbian-stretch.zip.torrent
flash sd card
dd if=2019-04-08-raspbian-stretch-lite.img of=/dev/mmblk0 bs=1M
configure raspbian
sudo raspi-config
enable ssh, spi, serial, 1-wire, …
sudo touch /boot/ssh
read serial sensor data
cat /dev/ttyS1 > /home/pi/data.bin (in rc.local)
(gnu-) plot data with gps file [@/usr/bin/gnuplot-x11 /home/pi/plot.gps]
set datafile separator ","
set terminal x11 1 noraise
set title "RadioActivity"
set xlabel "Time"
set ylabel "CountsPerMinute"
plot '/home/pi/data.bin' using 4
while (1) {
replot pause 20
}