diff --git a/ESP-IDF_Robot/main/blink_example_main.c b/ESP-IDF_Robot/main/blink_example_main.c
index 5ef8f7d46..18a561140 100644
--- a/ESP-IDF_Robot/main/blink_example_main.c
+++ b/ESP-IDF_Robot/main/blink_example_main.c
@@ -67,8 +67,8 @@ static const char *TAG = "ESP IDF Robot";
 
 #define I2C_PORT 0
 #define I2C_ADDR 0x40
-#define CONFIG_EXAMPLE_I2C_MASTER_SDA 5
-#define CONFIG_EXAMPLE_I2C_MASTER_SCL 6
+#define CONFIG_EXAMPLE_I2C_MASTER_SDA 3
+#define CONFIG_EXAMPLE_I2C_MASTER_SCL 2
 #define CONFIG_EXAMPLE_SHUNT_RESISTOR_MILLI_OHM 100