diff --git a/libraries/AP_HAL_ChibiOS/hwdef/CarbonixL496/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/CarbonixL496/hwdef.dat
index e0ae348c6e..8ca74a93f5 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/CarbonixL496/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/CarbonixL496/hwdef.dat
@@ -38,7 +38,7 @@ PA9 TIM1_CH2 TIM1 PWM(1) GPIO(50)
 PA8 TIM1_CH1 TIM1 PWM(2) GPIO(51)
 PC6 TIM3_CH1 TIM3 PWM(3) GPIO(52) # LED
 
-# USART2
+# USART2, ESC telem
 PA2 USART2_TX USART2 SPEED_HIGH NODMA
 PA3 USART2_RX USART2 SPEED_HIGH NODMA
 
@@ -122,6 +122,10 @@ define HAL_PERIPH_ENABLE_MAG
 define HAL_PERIPH_ENABLE_BARO
 define HAL_PERIPH_ENABLE_RC_OUT
 
+# enable ESC control
+define HAL_SUPPORT_RCOUT_SERIAL 1
+define HAL_WITH_ESC_TELEM 1
+
 BARO MS56XX I2C:0:0x76
 COMPASS MMC5XX3 I2C:0:0x30 false ROTATION_NONE