diff --git a/lib/PCA9685-Arduino b/lib/PCA9685-Arduino
index 2edc89a..23e06c0 160000
--- a/lib/PCA9685-Arduino
+++ b/lib/PCA9685-Arduino
@@ -1 +1 @@
-Subproject commit 2edc89a3a9926c9ae870a69933696b3933f6c520
+Subproject commit 23e06c06a6026801a856141f64a6de54dd493b47
diff --git a/lib/treppe/treppe.cpp b/lib/treppe/treppe.cpp
index 993d8e3..a46dc12 100644
--- a/lib/treppe/treppe.cpp
+++ b/lib/treppe/treppe.cpp
@@ -139,8 +139,8 @@ void Treppe::setup(){
     // Deactive PCA9685 Phase Balancer due to LED Flickering
     // https://github.com/NachtRaveVL/PCA9685-Arduino/issues/15
     // see also lib/PCA9685-Arduin/PCA9685.h:204
-    //pwmController.init(PCA9685_PhaseBalancer_None);
-    pwmController.init(PCA9685_PhaseBalancer_Linear);
+    pwmController.init(PCA9685_PhaseBalancer_None);
+    //pwmController.init(PCA9685_PhaseBalancer_Linear);
     pwmController.setPWMFrequency(100);
     pwmController.setAllChannelsPWM(idle_brightness);
     
@@ -199,7 +199,6 @@ void Treppe::task(){
   
   ledsequence();
 
-  Serial.printf("LDR raw: %d\n", analogRead(A0));
 }
 
 
diff --git a/lib/treppe/treppe.h b/lib/treppe/treppe.h
index 8f577af..64fee9c 100644
--- a/lib/treppe/treppe.h
+++ b/lib/treppe/treppe.h
@@ -2,7 +2,7 @@
 
 #include "PCA9685.h"
 
-#define SENSOR1 16
+#define SENSOR1 2
 #define SENSOR2 12
 #define OE 14
 
@@ -12,8 +12,8 @@ class Treppe {
 private:
     uint8_t stairs;
     uint16_t time_per_stair = 300;          // dimmtime per stair [ms]
-    uint16_t idle_brightness = 0;
-    uint16_t active_brightness = 3000;
+    uint16_t idle_brightness = 100;
+    uint16_t active_brightness = 2048;
 
     uint8_t direction = 0;
     uint8_t switch_direction = 0;