my $co2 = $v[2] * 255 + $v[3];
if ( $v[0] == 0xff && $sum == $checksum ) {
my $influx = "mh-z19b,dc=trnjanska co2=$co2 $t";
print "$influx\n";
my $co2 = $v[2] * 255 + $v[3];
if ( $v[0] == 0xff && $sum == $checksum ) {
my $influx = "mh-z19b,dc=trnjanska co2=$co2 $t";
print "$influx\n";