MH-Z19B Co2 sensor

[air-quality] / pms3003.pl

diff --git a/pms3003.pl b/pms3003.pl
index 4cb8b14..7c0205e 100755 (executable)
--- a/pms3003.pl
+++ b/pms3003.pl
@@ -3,6 +3,7 @@ use warnings;
 use strict;
 # sudo apt install libdevice-serialport-perl libdata-dump-perl
 use Device::SerialPort;
+use Time::HiRes;
 use Data::Dump qw(dump);
 
 my $port = shift @ARGV || '/dev/ttyUSB0';
@@ -36,6 +37,7 @@ pm10_r
 while (1) {
 
        my ($len, $string) = $s->read(24);
+       my $t = int( Time::HiRes::time() * 1_000_000_000 );
        die $! if ! defined($len);
        if ( $len > 0 ) {
                my @v = unpack('n*', $string);
@@ -57,6 +59,7 @@ while (1) {
                                $influx .= "$names[$i]=$v[$i],";
                        };
                        $influx =~ s/,$//;
+                       $influx .= " $t";
                        print "$influx\n";
                        system "curl --silent -XPOST '$influx_url' --data-binary '$influx'"
                }