diff --git a/Makefile b/Makefile
index 2db348b..8908b99 100644
--- a/Makefile
+++ b/Makefile
@@ -10,7 +10,8 @@ TOOL    = atmelice_isp
 
 BUILDDIR = Builds
 
-DEFINES = -I . -IInternet/MQTT -I Internet/MQTT/MQTTPacket/src -I Ethernet/W5500 -I Ethernet -DF_CPU=16000000UL -D_WIZCHIP_=W5100
+DEFINES = -I . -IInternet/MQTT -I Internet/MQTT/MQTTPacket/src -I Ethernet/W5500 -I Ethernet -DF_CPU=16000000UL -D_WIZCHIP_=W5100 -DPLC_MQTT_ENABLED=1
+
  
 CFLAGS  =-mmcu=$(MCU) -O2 -Wall -Wpedantic $(DEFINES) -std=c99 -ffunction-sections -fdata-sections
 #LDFLAGS =-mmcu=$(MCU) -Wl,--gc-sections
diff --git a/main.c b/main.c
index daaaba8..1a27dff 100644
--- a/main.c
+++ b/main.c
@@ -21,8 +21,6 @@
 
 #include "util/delay.h"
 
-#define PLC_MQTT_ENABLED 1
-
 Client mqtt_client;
 
 //***********Prologue for fast WDT disable & and save reason of reset/power-up: BEGIN
@@ -92,14 +90,11 @@ void do_notaus(){
     }
 }
 
-void send_values(void){
-    char msg[10];
+void send_temperatures(void){
     for(uint8_t i=0; i<sizeof(ADC_reading)/sizeof(ADC_reading[0]);i++){
-        char msg[64];
         char tpc[64];
-        sprintf(msg, "%.1f", ADC_reading[i]);
         sprintf(tpc, "/Filamentanlage/02_Wasserbecken/state/temp%d", i);
-        mqtt_pub(&mqtt_client, tpc, msg, strlen(msg));
+        send_value_fl(&mqtt_client, tpc, ADC_reading[i], 1);
     }
 
 }
@@ -181,23 +176,21 @@ int main()
         if(millis() - timer_blink_outs > 500){
             outStates[0] ^= outStatesBlinking[0];
             outStates[1] ^= outStatesBlinking[1];
-#if PLC_MQTT_ENABLED
-            send_values();
-#endif
-            timer_blink_outs = millis();
+            outStates[2] ^= outStatesBlinking[2];
+            outStates[3] ^= outStatesBlinking[3];
+        }
+
+        if(millis() - timer_send_temps > 500){
+            timer_send_temps = millis();
+            send_temperatures();
             printf("gefran: 0x%02X\n", gtf_firmware_version(5));
         }
 
-#if PLC_MQTT_ENABLED
         // send misc info
         if(millis() - timer_send_uptime > 5000){
-            timer_send_uptime += 5000;
-            char msg[64];
-            sprintf(msg, "%ld", millis()/1000);
-            mqtt_pub(&mqtt_client, "/Filamentanlage/02_Wasserbecken/uptime", msg, strlen(msg));
+            timer_send_uptime = millis();
+            send_value(&mqtt_client, "/Filamentanlage/02_Wasserbecken/uptime", millis()/1000);
         }
-#endif
-
 
         if(read_Input(IN_ANLAGE_EIN_INV, FALLING)){
             printf("anlage ein\n\r");
diff --git a/mqtt.c b/mqtt.c
index de27cf5..0a2dccf 100644
--- a/mqtt.c
+++ b/mqtt.c
@@ -1,3 +1,5 @@
+#include <stdint.h>
+#include <stdio.h>
 #include <string.h>
 #include "mqtt.h"
 
@@ -64,3 +66,23 @@ void mqtt_pub(Client* mqtt_client, char * mqtt_topic, char * mqtt_msg, int mqtt_
 		}
 	}
 }
+
+void send_value(Client* mqtt_client,char* topic, int16_t value){
+    char msg[32];
+    sprintf(msg, "%d", value);
+#if PLC_MQTT_ENABLED
+    mqtt_pub(mqtt_client, topic, msg, strlen(msg));
+#else
+    printf("%s: %s\n", topic, msg);
+#endif
+}
+
+void send_value_fl(Client* mqtt_client,char* topic, float value, uint8_t decimal_points){
+#if PLC_MQTT_ENABLED
+    char msg[32];
+    sprintf(msg, "%.1f"/*, decimal_points*/, value);
+    mqtt_pub(mqtt_client, topic, msg, strlen(msg));
+#else
+    printf("%s: %.1f\n", topic, /*decimal_points,*/ value);
+#endif
+}
diff --git a/mqtt.h b/mqtt.h
index 3e18522..3d7a477 100644
--- a/mqtt.h
+++ b/mqtt.h
@@ -14,5 +14,7 @@ extern uint8_t MQTT_targetIP[4];
 
 void messageArrived(MessageData* md);
 void mqtt_pub(Client* mqtt_client, char * mqtt_topic, char * mqtt_msg, int mqtt_msg_len);
+void send_value(Client* mqtt_client,char* topic, int16_t value);
+void send_value_fl(Client* mqtt_client,char* topic, float value, uint8_t decimal_points);
 
 #endif