diff --git a/3-99 Research/3 ARCADE/I2C/main.c b/3-99 Research/3 ARCADE/I2C/main.c
index 03663c263..90a17b80d 100644
--- a/3-99 Research/3 ARCADE/I2C/main.c	
+++ b/3-99 Research/3 ARCADE/I2C/main.c	
@@ -1,5 +1,3 @@
-#define F_CPU 16000000UL
-
 #include <avr/io.h>
 #include <util/delay.h>
 
@@ -17,8 +15,8 @@ int main(void) {
 
     // Clear PB5: LED OFF
     PORTB &= ~(1 << PB5);
-    _delay_ms(1000); // Delay 1000 milliseconds (1 second)
-  }
+    _delay_ms(1000); // Delay 1000 milliseconds (1 second) }
 
-  return 0; // Though this line is never reached because of the infinite loop
+    return 0; // Though this line is never reached because of the infinite loop
+  }
 }
diff --git a/3-99 Research/3 ARCADE/I2C/main.elf b/3-99 Research/3 ARCADE/I2C/main.elf
index e9c484bc6..30a70dd56 100755
Binary files a/3-99 Research/3 ARCADE/I2C/main.elf and b/3-99 Research/3 ARCADE/I2C/main.elf differ
diff --git a/3-99 Research/3 ARCADE/I2C/main.hex b/3-99 Research/3 ARCADE/I2C/main.hex
index 455ba7243..c99064111 100644
--- a/3-99 Research/3 ARCADE/I2C/main.hex	
+++ b/3-99 Research/3 ARCADE/I2C/main.hex	
@@ -5,74 +5,9 @@
 :100040000C943E000C943E000C943E000C943E0038
 :100050000C943E000C943E000C943E000C943E0028
 :100060000C943E000C943E0011241FBECFEFD8E04C
-:10007000DEBFCDBF0E9440000C9465020C940000CE
-:10008000CF93DF93CDB7DEB76C970FB6F894DEBF92
-:100090000FBECDBF84E290E0FC01208184E290E0BD
-:1000A0002062FC01208385E290E0FC01208185E252
-:1000B00090E02062FC01208380E090E0AAE7B4E4B5
-:1000C0008F87988BA98BBA8B20E030E04AE755E404
-:1000D0006F85788989899A890E94D001DC01CB01DA
-:1000E0008B8B9C8BAD8BBE8B20E030E040E85FE3D8
-:1000F0006B897C898D899E890E944A0188232CF412
-:1001000081E090E0988F8F8B3FC020E03FEF4FE77A
-:1001100057E46B897C898D899E890E94CB011816D2
-:100120004CF520E030E040E251E46F857889898920
-:100130009A890E94D001DC01CB01BC01CD010E9453
-:100140004F01DC01CB01988F8F8B0FC080E991E0CC
-:100150009A8F898F898D9A8D0197F1F79A8F898F60
-:100160008F89988D0197988F8F8B8F89988D892B88
-:1001700069F714C06B897C898D899E890E944F0123
-:10018000DC01CB01988F8F8B8F89988D9C8F8B8F03
-:100190008B8D9C8D0197F1F79C8F8B8F85E290E082
-:1001A000FC01208185E290E02F7DFC01208380E02E
-:1001B00090E0AAE7B4E489839A83AB83BC8320E010
-:1001C00030E04AE755E469817A818B819C810E9405
-:1001D000D001DC01CB018D839E83AF83B88720E003
-:1001E00030E040E85FE36D817E818F8198850E94D9
-:1001F0004A0188232CF481E090E09A8789873FC0E8
-:1002000020E03FEF4FE757E46D817E818F81988535
-:100210000E94CB0118164CF520E030E040E251E49A
-:1002200069817A818B819C810E94D001DC01CB01A4
-:10023000BC01CD010E944F01DC01CB019A87898767
-:100240000FC080E991E09C878B878B859C85019707
-:10025000F1F79C878B8789859A8501979A8789878B
-:1002600089859A85892B69F714C06D817E818F817C
-:1002700098850E944F01DC01CB019A878987898587
-:100280009A859E878D878D859E850197F1F79E873C
-:100290008D8709CF0E947E0108F481E008950E94B5
-:1002A000AA0188F09F5798F0B92F9927B751B0F05D
-:1002B000E1F0660F771F881F991F1AF0BA95C9F7EA
-:1002C00014C0B13091F00E94C401B1E008950C94C3
-:1002D000C401672F782F8827B85F39F0B93FCCF376
-:1002E000869577956795B395D9F73EF49095809567
-:1002F000709561957F4F8F4F9F4F0895990F00081C
-:10030000550FAA0BE0E8FEEF16161706E807F907E7
-:10031000C0F012161306E407F50798F0621B730B82
-:10032000840B950B39F40A2661F0232B242B252B03
-:1003300021F408950A2609F4A140A6958FEF811DA6
-:10034000811D089557FD9058440F551F59F05F3F88
-:1003500071F04795880F97FB991F61F09F3F79F0E7
-:1003600087950895121613061406551FF2CF469569
-:10037000F1DF08C0161617061806991FF1CF8695EB
-:100380007105610508940895E894BB2766277727CF
-:10039000CB0197F908950E947E0108F48FEF08952C
-:1003A0000E94E3010C9454020E94460238F00E941D
-:1003B0004D0220F0952311F00C943D020C94430261
-:1003C00011240C94C5010E94A20170F3959FC1F302
-:1003D000950F50E0551F629FF001729FBB27F00DF3
-:1003E000B11D639FAA27F00DB11DAA1F649F662748
-:1003F000B00DA11D661F829F2227B00DA11D621F97
-:10040000739FB00DA11D621F839FA00D611D221F50
-:10041000749F3327A00D611D231F849F600D211D34
-:10042000822F762F6A2F11249F5750409AF0F1F0B7
-:1004300088234AF0EE0FFF1FBB1F661F771F881F20
-:1004400091505040A9F79E3F510580F00C943D0219
-:100450000C94C5015F3FE4F3983ED4F386957795FD
-:100460006795B795F795E7959F5FC1F7FE2B880FC6
-:10047000911D9695879597F9089597F99F6780E85C
-:1004800070E060E008959FEF80EC089500240A94E6
-:100490001616170618060906089500240A9412165F
-:1004A0001306140605060895092E0394000C11F492
-:1004B000882352F0BB0F40F4BF2B11F460FF04C03F
-:0E04C0006F5F7F4F8F4F9F4F0895F894FFCFCF
+:10007000DEBFCDBF0E9440000C9458000C940000DD
+:10008000259A2D9A2FEF83ED90E3215080409040E8
+:10009000E1F700C000002D982FEF83ED90E3215091
+:1000A00080409040E1F700C0000090E080E00895BB
+:0400B000F894FFCFF2
 :00000001FF
diff --git a/3-99 Research/3 ARCADE/I2C/makefile b/3-99 Research/3 ARCADE/I2C/makefile
new file mode 100644
index 000000000..1815a0b60
--- /dev/null
+++ b/3-99 Research/3 ARCADE/I2C/makefile	
@@ -0,0 +1,41 @@
+
+# Define the microcontroller type and clock frequency.
+MCU = atmega328p
+F_CPU = 16000000UL
+
+# Define the project name (source and output files)
+TARGET = main
+SRC = $(TARGET).c
+
+# Compiler and tools for AVR
+CC = avr-gcc
+CFLAGS = -mmcu=$(MCU) -DF_CPU=$(F_CPU) -Os -Wall
+LDFLAGS = -mmcu=$(MCU)
+OBJCOPY = avr-objcopy
+
+# avrdude settings: adjust the port (-P) to match your device
+AVRDUDE = avrdude
+AVRDUDE_FLAGS = -c arduino -p m328p -P /dev/ttyACM0 -b 115200
+
+# Output file names
+ELF = $(TARGET).elf
+HEX = $(TARGET).hex
+
+# Default target: builds the HEX file
+all: $(HEX)
+
+# Compile source file to an ELF executable
+$(ELF): $(SRC)
+	$(CC) $(CFLAGS) $(SRC) -o $(ELF)
+
+# Convert the ELF file to an Intel HEX file
+$(HEX): $(ELF)
+	$(OBJCOPY) -O ihex -R .eeprom $(ELF) $(HEX)
+
+# Flash the HEX file to the device with avrdude
+flash: $(HEX)
+	$(AVRDUDE) $(AVRDUDE_FLAGS) -D -U flash:w:$(HEX):i
+
+# Clean up build files
+clean:
+	rm -f $(ELF) $(HEX)