diff --git a/sketches/input/Makefile b/sketches/input/Makefile
new file mode 100644
index 0000000..28318bd
--- /dev/null
+++ b/sketches/input/Makefile
@@ -0,0 +1,31 @@
+CFLAGS = -Os -Wall --std=c11 -g
+CHIP = atmega328p
+SOURCE_FILES = $(wildcard *.c)
+OBJ_FILES = $(SOURCE_FILES:%.c=%.o)
+BIN = input.bin
+HEX = input.hex
+ASM = input.asm
+
+default: $(HEX)
+
+%.o: %.c
+	avr-gcc $(CFLAGS) -mmcu=$(CHIP) -o $@ $<
+	 
+$(BIN): $(OBJ_FILES)
+	avr-gcc $(CFLAGS) -o $@ $^
+	
+$(ASM): $(BIN)
+	avr-objdump -d -g -l -S $^ > $@
+	
+$(HEX): $(BIN)
+	avr-objcopy -O ihex -j .text -j .data $^ $@
+
+asm: $(ASM)
+
+flash: $(HEX)
+	avrdude -p $(CHIP) -c arduino -B 115200 -P /dev/ttyACM0 -v -v -e -Uflash:w:$(HEX):a
+
+clean:
+	$(RM) $(OBJ_FILES) $(BIN) $(HEX) $(ASM)
+	
+	
diff --git a/sketches/input/input.bin b/sketches/input/input.bin
new file mode 100755
index 0000000..d2965bb
Binary files /dev/null and b/sketches/input/input.bin differ
diff --git a/sketches/input/input.c b/sketches/input/input.c
new file mode 100644
index 0000000..c367563
--- /dev/null
+++ b/sketches/input/input.c
@@ -0,0 +1,50 @@
+#include <stdint.h>
+#include <stddef.h>
+#include <avr/io.h>
+#define F_CPU 20000000UL
+#include <util/delay.h>
+#include <stdbool.h>
+//~ #define BAUD 9600
+//~ #include <util/setbaud.h>
+#include <avr/interrupt.h>
+
+uint8_t volatile status = 0;
+
+ISR(INT1_vect){
+	status = 1;
+	//~ PCORT0 = 1;
+}
+
+int main(){
+
+    //~ PORTD |= (1 << PORTD2);    // turn On the Pull-up
+    // PD2 is now an input with pull-up enabled
+    
+	
+	EICRA |= 0x0F;	// External Interrupt Control Register
+					// INT0 on rising edge
+	EIMSK |= 0x03;	// External Interrupt Mask Register
+					// Enable INT0 for interrupt
+	
+	SREG |= 0x80;	// Status Register
+					// Enable global interrupts
+			
+	//~ PCICR |= 0x04;	// Pin Change Interrupt Control Register
+					//~ // Enabled PCINT[23;16] -> Pin 13,12,11,6,5,4,3,2
+	//~ PCIFR |= 0x04;	// Pin Change Interrupt Flag Register
+	
+	//~ PCMSK2 = 0xff;	// Pin Change Mask Register 2
+					//~ // Enabled PCINT[23;16] (Single Pins)
+	DDRC = 0xff;
+	
+	
+	
+	while(1){
+		if(status){
+			PORTC ^= 0x01;
+			status = 0;
+		}
+		PORTC ^= 0x02;
+	}
+	return 0;
+}
diff --git a/sketches/input/input.hex b/sketches/input/input.hex
new file mode 100644
index 0000000..aabeaf9
--- /dev/null
+++ b/sketches/input/input.hex
@@ -0,0 +1,16 @@
+:100000000C9434000C9446000C9448000C94460068
+:100010000C9446000C9446000C9446000C94460048
+:100020000C9446000C9446000C9446000C94460038
+:100030000C9446000C9446000C9446000C94460028
+:100040000C9446000C9446000C9446000C94460018
+:100050000C9446000C9446000C9446000C94460008
+:100060000C9446000C94460011241FBECFEFD8E03C
+:10007000DEBFCDBF21E0A0E0B1E001C01D92A13004
+:10008000B207E1F70E9457000C9473000C94000033
+:100090001F920F920FB60F9211248F9381E08093DD
+:1000A00000018F910F900FBE0F901F9018958091B7
+:1000B00069008F60809369008DB383608DBB8FB7BB
+:1000C00080688FBF8FEF87B921E092E080910001B7
+:1000D000882329F088B1822788B91092000188B15D
+:0A00E000892788B9F3CFF894FFCF09
+:00000001FF
diff --git a/sketches/input/input.o b/sketches/input/input.o
new file mode 100755
index 0000000..4939671
Binary files /dev/null and b/sketches/input/input.o differ
diff --git a/sketches/led-driver/led-driver.c b/sketches/led-driver/led-driver.c
index 852e1c3..a8aecb4 100644
--- a/sketches/led-driver/led-driver.c
+++ b/sketches/led-driver/led-driver.c
@@ -58,14 +58,9 @@ void writeZero();
 void writeOne();
 void writeRGB(uint8_t red, uint8_t green, uint8_t blue);
 void writeNothing(uint8_t c);
+void mydelay(uint16_t ms);
 
-void mydelay(uint16_t ms) {
-	while(ms--) {
-		_delay_loop_2(5000); // 1ms
-	}
-}
-
-int mainz()
+int mainParty()
 {
 	DDRC = 1;
 	uint8_t d = 14;
@@ -91,7 +86,7 @@ int mainz()
 	return 0;	
 }
 
-int main() {
+int main(){
 	DDRC = 1; // PORT C0 output
 	// uart_init();
 	
@@ -220,3 +215,9 @@ void writeNothing(uint8_t c){
 	}
 	_delay_ms(500);
 }
+
+void mydelay(uint16_t ms) {
+	while(ms--) {
+		_delay_loop_2(5000); // 1ms
+	}
+}