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-rw-r--r--blink/blink.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/blink/blink.c b/blink/blink.c
index b4f747c..dbba981 100644
--- a/blink/blink.c
+++ b/blink/blink.c
@@ -1,5 +1,6 @@
#include <avr/eeprom.h>
#include <avr/io.h>
+#define F_CPU 16500000L // 16.5 MHZ
#include <util/delay.h>
int main() {