system "curl --max-time 2 --silent -XPOST '$influx_url' --data-binary '$influx'";
system "mosquitto_pub -h rpi2 -t 'air/zph02/pm25' -m $pcnt";
}
system "curl --max-time 2 --silent -XPOST '$influx_url' --data-binary '$influx'";
system "mosquitto_pub -h rpi2 -t 'air/zph02/pm25' -m $pcnt";
}