diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..d603612
Binary files /dev/null and b/.DS_Store differ
diff --git a/part7-bluetooth/bt.c b/part7-bluetooth/bt.c
index a8b3add..d43783a 100644
--- a/part7-bluetooth/bt.c
+++ b/part7-bluetooth/bt.c
@@ -275,7 +275,7 @@ void setLEadvertparameters(unsigned char type, unsigned char linterval_min, unsi
 }
 
 void setLEadvertdata() {
-    volatile unsigned char command[32] = { 
+    static unsigned char command[32] = { 
        0x19,
        0x02, 0x01, 0x06,
        0x03, 0x03, 0xAA, 0xFE,
diff --git a/part7-bluetooth/io.h b/part7-bluetooth/io.h
index b2f483e..8547cc0 100644
--- a/part7-bluetooth/io.h
+++ b/part7-bluetooth/io.h
@@ -1,5 +1,4 @@
 #define PERIPHERAL_BASE 0xFE000000
-#define SAFE_ADDRESS    0x00210000 // Somewhere safe to store a lot of data
 
 void uart_init();
 void uart_writeText(char *buffer);
diff --git a/part7-bluetooth/kernel.c b/part7-bluetooth/kernel.c
index dafe34a..2ee5526 100644
--- a/part7-bluetooth/kernel.c
+++ b/part7-bluetooth/kernel.c
@@ -257,6 +257,9 @@ void main()
     for (int c=5;c>=0;c--) debugch(local_addr[c]);
     debugcrlf();
 
+    // Test out the advertising
+    // run_eddystone();
+
     // Test out the scanning
     run_search();
 }