diff --git a/avr/devices/n11/n11_defs.asm b/avr/devices/n11/n11_defs.asm
index e0d1497..c124361 100644
--- a/avr/devices/n11/n11_defs.asm
+++ b/avr/devices/n11/n11_defs.asm
@@ -69,6 +69,9 @@
 ; ---------------------------------------------------------------------------
 ; TWI master module
 
+;.equ TWI_BIT_LENGTH = 10000 ; 100000 and 200000 works for display: 10000, 100000, 200000
+.equ TWI_BIT_LENGTH = 1 ; 10, 100, 500, 100000 and 200000 works for display: 10000, 100000, 200000
+
 .equ TWI_DDR_SCL          = DDRA
 .equ TWI_PORT_SCL         = PORTA
 .equ TWI_PIN_SCL          = PINA
@@ -85,7 +88,6 @@
 ; LCD module
 
 .equ LCD_TWI_ADDRESS      = 0x3c
-#define LCD_MINIMAL_FONT
 
 
 
diff --git a/avr/devices/n12/n12_defs.asm b/avr/devices/n12/n12_defs.asm
index 758ba45..317aa0e 100644
--- a/avr/devices/n12/n12_defs.asm
+++ b/avr/devices/n12/n12_defs.asm
@@ -66,6 +66,8 @@
 ; ---------------------------------------------------------------------------
 ; TWI master module
 
+.equ TWI_BIT_LENGTH = 1 ; 100000 and 200000 works for display: 10000, 100000, 200000
+
 .equ TWI_DDR_SCL          = DDRA
 .equ TWI_PORT_SCL         = PORTA
 .equ TWI_PIN_SCL          = PINA
@@ -81,7 +83,6 @@
 ; LCD module
 
 .equ LCD_TWI_ADDRESS      = 0x3c
-#define LCD_MINIMAL_FONT
 
 
 
diff --git a/avr/modules/twimaster/main.asm b/avr/modules/twimaster/main.asm
index 9a8f8d3..e9fd5de 100644
--- a/avr/modules/twimaster/main.asm
+++ b/avr/modules/twimaster/main.asm
@@ -10,13 +10,6 @@
 
 
 
-; ***************************************************************************
-; defines
-
-.equ TWI_BIT_LENGTH = 10000 ; 100000 and 200000 works for display: 10000, 100000, 200000
-
-
-
 ; ***************************************************************************
 ; data