vampire-firmware firmware for the Vampire ESP32 Dependencies git clone -b v4.1.1 --recursive https://github.com/espressif/esp-idf.git esp-idf-v4.1.1 cd esp-idf-v4.1.1/ ./install.sh ./export.sh Build and Flash # from the repo top-level idf.py build idf.py -p /dev/ttyUSB0 flash