* Update xsns_18_pms5003.ino
The Winsum ZH03B sensor is quite similar to the Plantower PMS3003 sensor. The main difference is the response in passive mode. With these changes xsns_18_pms5003.ino can support the ZH03B sensor when PMS_MODEL_ZH03X is defined in the configuration file.
* Update xsns_18_pms5003.ino