diff --git a/.gitignore b/.gitignore
index 3fc71ad..6df57a2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,4 @@
+.vscode
 firmware.pro
+*.pdsprj
+*.workspace
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..1bb74c2
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,13 @@
+MCU = t24
+SRCFILE = firmware
+TARGET = usbasp
+DEVICE = usb
+
+build: $(SRCFILE).asm
+	avrasm2 -fI -W+ie $(SRCFILE).asm -l $(SRCFILE).lss
+
+flash:
+	avrdude -p $(MCU) -c $(TARGET) -P $(DEVICE) -U flash:w:$(SRCFILE).hex:a
+
+clean:
+	rm -f $(SRCFILE).asm~ $(SRCFILE).hex $(SRCFILE).obj $(SRCFILE).lss $(SRCFILE).cof 
\ No newline at end of file
diff --git a/firmware.asm b/firmware.asm
index 7526887..7c304f7 100644
--- a/firmware.asm
+++ b/firmware.asm
@@ -62,7 +62,7 @@
 .equ SW_FLAG_3 = 0xb0
 .equ SW_FLAG_4 = 0x70
 
-.equ SEQ_LENGTH = 4
+.equ SEQ_LENGTH = 2
 
 ; Value that stored in OCR0A for each tone
 ; 880Hz = 71
diff --git a/firmware.hex b/firmware.hex
index 808d49c..4079da0 100644
--- a/firmware.hex
+++ b/firmware.hex
@@ -5,7 +5,7 @@
 :1000300019B3107F60D1109362002FBF2F911F91D1
 :1000400018957F937FB702C008EA52B7052702953B
 :10005000500F7FBF7F91189539D128D12DD13FEF17
-:1000600041E0A4E0AA2EFF27E0E802D078940895AA
+:1000600041E0A2E0AA2EFF27E0E802D078940895AC
 :1000700073E0F3D07A95E9F74AD1772708950FED29
 :100080000DBF0027109361000F9301E00093600003
 :100090000F9110916000113041F4DEDF1093610088
@@ -21,7 +21,7 @@
 :10013000F2CF88D0AECF2F93DED0DDD0DCD0A9B304
 :100140009A2FA07F9F70AA27A09362008191981791
 :1001500029F42A2D241739F0439516C07ED03FEF9D
-:10016000A4E0AA95AA2E2F91FF27E0E8BA9800EF05
+:10016000A2E0AA95AA2E2F91FF27E0E8BA9800EF07
 :100170000BBBCDD0109361000F9302E000936000A1
 :100180000F9141E0A39408952F91089508957A2D39
 :10019000DD27C0E8B0D0652F663430F06C3830F021
diff --git a/firmware.lss b/firmware.lss
index 22e0ea3..7503312 100644
--- a/firmware.lss
+++ b/firmware.lss
@@ -1,5 +1,5 @@
 
-AVRASM ver. 2.2.7  firmware.asm Wed May 04 20:21:53 2022
+AVRASM ver. 2.2.7  firmware.asm Wed May 18 00:14:04 2022
 
 firmware.asm(13): Including file 'def.inc'
 firmware.asm(21): warning: Register r26 already defined by the .DEF directive
@@ -746,7 +746,7 @@ firmware.asm(73): Including file 'macros.asm'
                                  .equ SW_FLAG_3 = 0xb0
                                  .equ SW_FLAG_4 = 0x70
                                  
-                                 .equ SEQ_LENGTH = 4
+                                 .equ SEQ_LENGTH = 2
                                  
                                  ; Value that stored in OCR0A for each tone
                                  ; 880Hz = 71
@@ -927,7 +927,7 @@ firmware.asm(73): Including file 'macros.asm'
                                    ; Init important registers for game
 00002f ef3f                        ldi delay_counter_r, 0xff
 000030 e041                        ldi poll_step_r, 1
-000031 e0a4                        ldi temp_r_c, SEQ_LENGTH
+000031 e0a2                        ldi temp_r_c, SEQ_LENGTH
 000032 2eaa                        mov seq_length_r, temp_r_c
 000033 27ff                        clr ZH
 000034 e8e0                        ldi ZL, $80
@@ -1074,7 +1074,7 @@ firmware.asm(73): Including file 'macros.asm'
                                  	_game_over:
 0000ae d07e                      		rcall effect_1
 0000af ef3f                      		ldi delay_counter_r, 0xff
-0000b0 e0a4                      		ldi temp_r_c, SEQ_LENGTH
+0000b0 e0a2                      		ldi temp_r_c, SEQ_LENGTH
 0000b1 95aa                      		dec temp_r_c
 0000b2 2eaa                        	mov seq_length_r, temp_r_c
                                  	
diff --git a/schematic/attiny24a_memory-led-game.pdf b/schematic/attiny24a_memory-led-game.pdf
new file mode 100644
index 0000000..b6994db
Binary files /dev/null and b/schematic/attiny24a_memory-led-game.pdf differ
diff --git a/schematic/main.pdf b/schematic/main.pdf
deleted file mode 100644
index f8aa97b..0000000
Binary files a/schematic/main.pdf and /dev/null differ