Rasperry PI RTL_SDR SUPPORT

cd ~

sudo apt-get install -y git git-core cmake libusb-1.0-0-dev
sudo apt update
sudo apt install -y build-essential
git clone git://git.osmocom.org/rtl-sdr.git
cd rtl-sdr/ && mkdir build && cd build/
cmake ../ -DINSTALL_UDEV_RULES=ON
sudo make
sudo make install
sudo ldconfig
cd ~
sudo cp ./rtl-sdr/rtl-sdr.rules /etc/udev/rules.d/

# create file
no-rtl.conf

sudo nano /etc/modprobe.d/no-rtl.conf

# add these three
lines

blacklist
dvb_usb_rtl28xxublacklist rtl2832blacklist rtl2830

sudo reboot
lsusb
rtl_test -t

Build and install
rtl_433

sudo apt-get install -y libtool libusb-1.0.0-dev librtlsdr-dev rtl-sdr doxygen
git clone https://github.com/merbanan/rtl_433.git
cd rtl_433/ 
mkdir build 
cd build 
cmake ../ 
make
sudo make install
rtl_433 -f 344975000 -R 70

https://www.rtl-sdr.com/