Manual Installation on RaspberryPi

1. System update

sudo apt update && apt upgrade -y

2. Install libs of python3

sudo apt install python3-requests python3-numpy python3-colorlog

2. Install wsjtx

sudo apt install libgfortran5 libqt5widgets5 libqt5network5 \`
     `libqt5printsupport5 libqt5multimedia5-plugins libqt5serialport5 \`
     `libqt5sql5-sqlite libfftw3-single3 libgomp1 libboost-all-dev \`
     `libusb-1.0-0

wget https://physics.princeton.edu/pulsar/k1jt/wsjtx_2.3.0_armhf.deb
sudo dpkg -i wsjtx_2.3.0_armhf.deb

Settings of DigiSkimmer

# use memdisk to SAVE your SD card
TMP_PATH = '/dev/shm/digiskr'

DECODER_QUEUE = {
    'maxsize': 300,
    'workers': 1
}

by this setting, a raspberry pi4 unit can run 14 channels simultaneous and keep the cpu below 50%.

have fun