diff --git a/Hardware.h b/Hardware.h
new file mode 100644
index 0000000..f05f570
--- /dev/null
+++ b/Hardware.h
@@ -0,0 +1,6 @@
+#pragma once
+
+#define F_CPU 1000000
+
+void delay_ms(double delay);
+void delay_us(double delay);
\ No newline at end of file
diff --git a/hardware.cpp b/hardware.cpp
new file mode 100644
index 0000000..4a23f67
--- /dev/null
+++ b/hardware.cpp
@@ -0,0 +1,34 @@
+#include "hardware.h"
+#include "avr/io.h"
+
+void delay_ms(double delay)
+{
+	// prescaler: 1024
+	TCCR0B = (1 << CS02) | (1 << CS00);
+	TCNT0 = 0;
+
+	while (TCNT0 <= delay)
+	{
+		if (TCNT0 >= 49)
+		{
+			delay -= 50;
+			TCNT0 = 0;
+		}
+	}
+}
+
+void delay_us(double delay)
+{
+	// prescaler: 1
+	TCCR0B = (1 << CS00);
+	TCNT0 = 0;
+
+	while (TCNT0 <= delay)
+	{
+		if (TCNT0 >= 50)
+		{
+			delay -= 50;
+			TCNT0 = 0;
+		}
+	}
+}