diff --git a/1D_pongESP32/1D_pongESP32.ino b/1D_pongESP32/1D_pongESP32.ino
index 4ff10df..b23c168 100644
--- a/1D_pongESP32/1D_pongESP32.ino
+++ b/1D_pongESP32/1D_pongESP32.ino
@@ -16,9 +16,9 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-#include <Adafruit_NeoPixel.h>
+#include "Adafruit_NeoPixel.h"
 #include "notes.h"
-#include "pins_arduino.h"
+#include "pin-names.h"
 
 //DIO
 #define GPIO23  23
diff --git a/1D_pongESP32/pin-names.h b/1D_pongESP32/pin-names.h
new file mode 100644
index 0000000..8ccd563
--- /dev/null
+++ b/1D_pongESP32/pin-names.h
@@ -0,0 +1,19 @@
+#include "pins_arduino.h"
+
+//DIO
+#define GPIO23  23
+#define GPIO22  22
+#define GPIO18  18  // SPI CLK
+#define GPIO19  19
+#define GPIO21  21
+
+//ADIO
+#define GPIO25  25
+#define GPIO26  26
+#define GPIO27  27
+#define GPIO32  32
+#define GPIO33  33
+#define GPIO34  34
+#define GPIO35  35
+#define GPIO36  36
+#define GPIO39  39