a 'return' statement should be here, or all stdout-writing causes EBADF.
a 'return' statement should be here, or all stdout-writing causes EBADF.

ourairquality/esp-open-rtos,ourairquality/esp-open-rtos,ourairquality/esp-open-rtos,ourairquality/esp-open-rtos,ourairquality/esp-open-rtos,ourairquality/esp-open-rtos