diff --git a/src/addition.c b/src/addition.c
new file mode 100644
index 0000000..9cdc24d
--- /dev/null
+++ b/src/addition.c
@@ -0,0 +1,6 @@
+#include "addition.h"
+#include <stdlib.h>
+
+void volladdierer (int* s, int* nc, int a, int b, int c) {
+    s[0] = 0;
+}
\ No newline at end of file
diff --git a/src/addition.h b/src/addition.h
new file mode 100644
index 0000000..0f01e7e
--- /dev/null
+++ b/src/addition.h
@@ -0,0 +1,6 @@
+#ifndef ADDITION_H
+#define ADDITION_H
+
+void volladdierer (int* s, int* nc, int a, int b, int c);
+
+#endif // ADDITION_H
diff --git a/test/test_addition.c b/test/test_addition.c
new file mode 100644
index 0000000..1d9823c
--- /dev/null
+++ b/test/test_addition.c
@@ -0,0 +1,20 @@
+#ifdef TEST
+
+#include "unity.h"
+
+#include "addition.h"
+
+void setUp(void)
+{
+}
+
+void tearDown(void)
+{
+}
+
+void test_addition_NeedToImplement(void)
+{
+    TEST_IGNORE_MESSAGE("Need to Implement addition");
+}
+
+#endif // TEST