diff --git a/UI.hpp b/UI.hpp
index 56dfcb9..29c1e27 100644
--- a/UI.hpp
+++ b/UI.hpp
@@ -1234,8 +1234,11 @@ void UI_func_delay_time(uint8_t param)
     encoderDir[ENC_R].reset();
 
     lcd_special_chars(BLOCKBAR);
+#if DELAY_TIME_MAX >= 100
+    lcd_display_bar_int("Delay Time", configuration.fx.delay_time[selected_instance_id], 10.0, DELAY_TIME_MIN, DELAY_TIME_MAX, 4, false, false, true);
+#else
     lcd_display_bar_int("Delay Time", configuration.fx.delay_time[selected_instance_id], 10.0, DELAY_TIME_MIN, DELAY_TIME_MAX, 3, false, false, true);
-
+#endif
     lcd_active_instance_number(selected_instance_id);
     lcd.setCursor(14, 0);
     lcd.write(0);
@@ -1270,8 +1273,11 @@ void UI_func_delay_time(uint8_t param)
 #endif
     }
 
+#if DELAY_TIME_MAX >= 100
+    lcd_display_bar_int("Delay Time", configuration.fx.delay_time[selected_instance_id], 10.0, DELAY_TIME_MIN, DELAY_TIME_MAX, 4, false, false, true);
+#else
     lcd_display_bar_int("Delay Time", configuration.fx.delay_time[selected_instance_id], 10.0, DELAY_TIME_MIN, DELAY_TIME_MAX, 3, false, false, true);
-
+#endif
     if (configuration.fx.delay_time[selected_instance_id] <= DELAY_TIME_MIN)
       delay_fx[selected_instance_id]->disable(0);
     else
diff --git a/config.h b/config.h
index 02a42b9..57493b4 100644
--- a/config.h
+++ b/config.h
@@ -28,6 +28,7 @@
 
 #include <Arduino.h>
 #include "midinotes.h"
+#include "teensy_board_detection.h"
 
 // ATTENTION! For better latency you have to redefine AUDIO_BLOCK_SAMPLES from
 // 128 to 64 in <ARDUINO-IDE-DIR>/cores/teensy3/AudioStream.h
@@ -57,7 +58,7 @@
 // sed -i.orig 's/^#define USB_MIDI_SYSEX_MAX 290/#define USB_MIDI_SYSEX_MAX 4104/' /usr/local/arduino-teensy/hardware/teensy/avr/cores/teensy4/usb_midi.h
 //#define USB_MIDI_SYSEX_MAX 4104
 
-#define VERSION "1.0.11"
+#define VERSION "1.0.12"
 
 //*************************************************************************************************
 //* DEVICE SETTINGS
@@ -127,6 +128,8 @@
 //*************************************************************************************************
 //* AUDIO SOFTWARE SETTINGS
 //*************************************************************************************************
+#define SAMPLE_RATE 44100
+
 #ifndef TEENSY_AUDIO_BOARD
 #if AUDIO_BLOCK_SAMPLES == 64
 #define AUDIO_MEM 512
@@ -156,18 +159,31 @@
   31: 1.16 Volts p-p
 */
 #define SGTL5000_LINEOUT_LEVEL 29
+#endif
+
 #if AUDIO_BLOCK_SAMPLES == 64
 #define AUDIO_MEM 512
 #else
 #define AUDIO_MEM 384
 #endif
-#endif
+
 #if NUM_DEXED > 1
+#if defined(TEENSY3_6)
 #define DELAY_MAX_TIME 250
+#elif defined(TEENSY4)
+#define DELAY_MAX_TIME 750
 #else
+#define DELAY_MAX_TIME 125
+#endif
+#else
+#if defined(TEENSY3_6)
 #define DELAY_MAX_TIME 500
+#elif defined(TEENSY4)
+#define DELAY_MAX_TIME 1000
+#else
+#define DELAY_MAX_TIME 250
+#endif
 #endif
-#define SAMPLE_RATE 44100
 
 //*************************************************************************************************
 //* UI
@@ -233,12 +249,12 @@
 #define ENC_L_PIN_A  3
 #define ENC_L_PIN_B  2
 #define BUT_L_PIN    4
-#if defined(ARDUINO_TEENSY36)
+#if defined(TEENSY_3_6)
 #define ENC_R_PIN_A  28
 #define ENC_R_PIN_B  29
 #define BUT_R_PIN    30
 #else
-#if defined(ARDUINO_TEENSY40)
+#if defined(TEENSY_4_0)
 #define ENC_R_PIN_A  6
 #define ENC_R_PIN_B  5
 #define BUT_R_PIN    8
@@ -287,14 +303,12 @@
 #endif
 
 // Teensy-4.x settings
-#if defined(__IMXRT1062__) //Teensy-4.x
+#ifdef TEENSY4
 #define MAX_NOTES 32
-#define TEENSY4
 #endif
 
 // Teensy-3.6 settings
-#if defined(__MK66FX1M0__) // Teensy-3.6
-#  define TEENSY3_6
+#if defined(TEENSY3_6)
 # if defined(USE_FX)
 #  if NUM_DEXED == 1
 #   if F_CPU == 256000000
@@ -339,12 +353,10 @@
 # endif
 #endif
 
-#if defined (__MK64FX512__)
-// Teensy-3.5 settings
+#ifdef TEENSY3_5
 #undef MIDI_DEVICE_USB_HOST
 #define MAX_NOTES 11
 #undef USE_FX
-#define TEENSY3_5
 #endif
 
 #define TRANSPOSE_FIX 24
diff --git a/teensy_board_detection.h b/teensy_board_detection.h
new file mode 100644
index 0000000..cf233c0
--- /dev/null
+++ b/teensy_board_detection.h
@@ -0,0 +1,50 @@
+/*
+   MicroDexed
+
+   MicroDexed is a port of the Dexed sound engine
+   (https://github.com/asb2m10/dexed) for the Teensy-3.5/3.6/4.x with audio shield.
+   Dexed ist heavily based on https://github.com/google/music-synthesizer-for-android
+
+   (c)2018-2020 H. Wirtz <wirtz@parasitstudio.de>
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
+
+*/
+
+#ifndef TEENSY_BOARD_DETECTION_H_INCLUDED
+#define TEENSY_BOARD_DETECTION_H_INCLUDED
+
+
+// Teensy-4.x
+#if defined(__IMXRT1062__) || defined (ARDUINO_TEENSY40) || defined (ARDUINO_TEENSY41)
+#define TEENSY4
+#if defined (ARDUINO_TEENSY40)
+#define TEENSY4_0
+#elif defined (ARDUINO_TEENSY41)
+#define TEENSY4_1
+#endif
+#endif
+
+// Teensy-3.6 
+#if defined(__MK66FX1M0__)
+#  define TEENSY3_6
+#endif
+
+// Teensy-3.5 
+#if defined (__MK64FX512__)
+#define TEENSY3_5
+#endif
+
+#endif