xargs -n1 -I {} sh -c "echo compiling {} ...; ${MPYCROSS} {}"
# upload adafruit blinka .mpy files
find . -type f -name '*.mpy' | \
xargs -n1 -I {} sh -c "echo compiling {} ...; ${MPYCROSS} {}"
# upload adafruit blinka .mpy files
find . -type f -name '*.mpy' | \