diff --git a/fhem/FHEM/lib/Device/Firmata.pm b/fhem/FHEM/lib/Device/Firmata.pm
index 307ae88a6..517a706f7 100644
--- a/fhem/FHEM/lib/Device/Firmata.pm
+++ b/fhem/FHEM/lib/Device/Firmata.pm
@@ -15,11 +15,11 @@ Device::Firmata - Perl interface to Firmata for the arduino platform.
 
 =head1 VERSION
 
-Version 0.50
+Version 0.56
 
 =cut
 
-our $VERSION = '0.55';
+our $VERSION = '0.56';
 our $DEBUG = 0;
 
 
diff --git a/fhem/FHEM/lib/Device/Firmata/Platform.pm b/fhem/FHEM/lib/Device/Firmata/Platform.pm
index 678e330da..17e1269ee 100644
--- a/fhem/FHEM/lib/Device/Firmata/Platform.pm
+++ b/fhem/FHEM/lib/Device/Firmata/Platform.pm
@@ -570,6 +570,12 @@ sub sampling_interval {
   return $self->{io}->data_write($sampling_interval_packet);
 }
 
+sub sysex_send {
+  my ( $self, @sysex_data ) = @_;
+  my $sysex_packet = $self->{protocol}->packet_sysex(@sysex_data);
+  return $self->{io}->data_write($sysex_packet);
+}
+
 sub i2c_write {
   my ($self,$address,@data) = @_;
   return $self->{io}->data_write($self->{protocol}->packet_i2c_request($address,0x0,@data));
diff --git a/fhem/FHEM/lib/Device/Firmata/Protocol.pm b/fhem/FHEM/lib/Device/Firmata/Protocol.pm
index 72c098f2c..0e4acd3f4 100644
--- a/fhem/FHEM/lib/Device/Firmata/Protocol.pm
+++ b/fhem/FHEM/lib/Device/Firmata/Protocol.pm
@@ -365,6 +365,26 @@ sub message_prepare {
   return $packet;
 }
 
+=head2 packet_sysex
+
+create a binary packet containing a sysex-message
+
+=cut
+
+sub packet_sysex {
+
+  my ( $self, @sysex_data ) = @_;
+
+  my $protocol_version  = $self->{protocol_version};
+  my $protocol_commands = $COMMANDS->{$protocol_version};
+  
+  my $bytes = @sysex_data + 2;
+  my $packet = pack "C" x $bytes, $protocol_commands->{START_SYSEX},
+    @sysex_data,
+    $protocol_commands->{END_SYSEX};
+  return $packet;
+}
+
 =head2 packet_sysex_command
 
 create a binary packet containing a sysex-command