diff --git a/ESP-IDF_Robot/main/rc.h b/ESP-IDF_Robot/main/rc.h
index cc5efe696..addf3d1e7 100644
--- a/ESP-IDF_Robot/main/rc.h
+++ b/ESP-IDF_Robot/main/rc.h
@@ -345,7 +345,7 @@ static bool adc_calibration_init(adc_unit_t unit, adc_channel_t channel, adc_att
     }
 
     return calibrated;
-}*/
+}
 
 static void adc_calibration_deinit(adc_cali_handle_t handle)
 {