1 files changed, 21 insertions, 0 deletions
diff --git a/firmware.c b/firmware.c
new file mode 100644
index 0000000..d935198
--- /dev/null
+++ b/firmware.c
@@ -0,0 +1,21 @@
+#include <avr/io.h>
+#include <util/delay.h>
+
+#define DELAY 1000
+
+int main(void)
+{
+	// Set PB5 (pin 13) as output
+	DDRB |= (1 << DDB5);
+
+	while (1)
+	{
+		// LED ON
+		PORTB |= (1 << PORTB5);
+		_delay_ms(DELAY);
+
+		// LED OFF
+		PORTB &= ~(1 << PORTB5);
+		_delay_ms(DELAY);
+	}
+}