Last fixes - works now fine for me.

MIDI-Host-Adapter.ino

@@ -28,10 +28,10 @@
 #define STROBE_TM 10
 #define CLOCK_TM 9
 #define DIO_TM 8
-#define MIDI_CH_BIT3 3
-#define MIDI_CH_BIT2 4
-#define MIDI_CH_BIT1 5
-#define MIDI_CH_BIT0 2
+#define MIDI_CH_BIT3 4
+#define MIDI_CH_BIT2 5
+#define MIDI_CH_BIT1 6
+#define MIDI_CH_BIT0 3
 
 bool swap_nibbles = true;
 bool high_freq = false;
@@ -39,7 +39,7 @@ bool high_freq = false;
 #define BRIGHTNESS 6
 #define INITIAL_MIDI_CHANNEL 1
 #define BUTTON_DEBOUNCE_TIME_MS 200
-#define BLINK_FREQUENCY_MS 500
+#define BLINK_FREQUENCY_MS 200
 #define EEPROM_ADDRESS 0x42
 
 // Constructor object
@@ -50,8 +50,16 @@ uint8_t actual_channel;
 uint8_t new_channel;
 
 void setup() {
+  pinMode(MIDI_CH_BIT3, OUTPUT);
+  pinMode(MIDI_CH_BIT2, OUTPUT);
+  pinMode(MIDI_CH_BIT1, OUTPUT);
+  pinMode(MIDI_CH_BIT0, OUTPUT);
+
+  actual_channel = read_channel_from_eeprom();
+  SetMidiChannel(actual_channel);
+  new_channel = actual_channel;
+
   Serial.begin(9600);
-  delay(50);
 
 #if defined(DEBUG)
   Serial.println("<SETUP>");
@@ -60,16 +68,6 @@ void setup() {
   tm.displayBegin();
   tm.brightness(BRIGHTNESS);
 
-  actual_channel=read_channel_from_eeprom();
-  new_channel = actual_channel;
-
-  pinMode(MIDI_CH_BIT3, OUTPUT);
-  pinMode(MIDI_CH_BIT2, OUTPUT);
-  pinMode(MIDI_CH_BIT1, OUTPUT);
-  pinMode(MIDI_CH_BIT0, OUTPUT);
-
-  SetMidiChannel(INITIAL_MIDI_CHANNEL);
-
   tm.DisplayDecNum(actual_channel, 0, false, TMAlignTextRight);
 
 #if defined(DEBUG)
@@ -151,7 +149,7 @@ uint8_t read_channel_from_eeprom(void) {
   uint8_t channel;
 
   if (tmp_channel & 0xf0 != 0xf0) {
-    channel = 1;
+    channel = INITIAL_MIDI_CHANNEL;
 #if defined(DEBUG)
     Serial.println("Setting channel to 1");
 #endif
@@ -163,7 +161,7 @@ uint8_t read_channel_from_eeprom(void) {
 #endif
   }
 
-  return(channel);
+  return (channel);
 }
 
 #if defined(DEBUG)