diff --git a/libraries/AP_HAL_ChibiOS/hwdef/CUAVv5/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/CUAVv5/hwdef.dat
index 0cbccc4645..5dbd983095 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/CUAVv5/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/CUAVv5/hwdef.dat
@@ -6,3 +6,20 @@ include ../fmuv5/hwdef.dat
 # use default IO firmware on CUAVv5
 ROMFS io_firmware.bin Tools/IO_Firmware/fmuv2_IO.bin
 
+# extra LEDs, active low, used using the pixracer LED scheme
+PH10 LED_R1 OUTPUT OPENDRAIN HIGH GPIO(0)
+PH11 LED_G1 OUTPUT OPENDRAIN HIGH GPIO(1)
+PH12 LED_B1 OUTPUT OPENDRAIN HIGH GPIO(2)
+
+undef HAL_GPIO_A_LED_PIN
+undef HAL_GPIO_B_LED_PIN
+
+define HAL_GPIO_A_LED_PIN 0
+define HAL_GPIO_B_LED_PIN 1
+define HAL_GPIO_C_LED_PIN 2
+
+define HAL_GPIO_LED_ON  0
+define HAL_GPIO_LED_OFF 1
+
+define HAL_HAVE_PIXRACER_LED
+