diff --git a/ADIS_ESP32_Eclipse/main/platform.h b/ADIS_ESP32_Eclipse/main/platform.h
index 4d6dd0b..89d4a7a 100644
--- a/ADIS_ESP32_Eclipse/main/platform.h
+++ b/ADIS_ESP32_Eclipse/main/platform.h
@@ -16,7 +16,7 @@
 #define PL_CONFIG_USE_PING         (1 && PL_CONFIG_USE_WIFI) /*!< shell command with ping, to test network connection */
 
 #define PL_CONFIG_USE_SHELL        (1) /*!< implements shell between robot and ESP32 */
-#define PL_CONFIG_USE_RS485        (0) /*!< ESP32 using RS-485 to split-flaps */
+#define PL_CONFIG_USE_RS485        (1) /*!< ESP32 using RS-485 to split-flaps */
 #define PL_CONFIG_USE_SNTP_TIME    (0 && PL_CONFIG_USE_WIFI)
 #define PL_CONFIG_USE_TIME_DATE    (1) /*!< if using Time and Date information */
 #define PL_CONFIG_USE_ROBO_REMOTE  (1 && PL_CONFIG_USE_UDP_SERVER) /* UDP Remote controller for robot */