diff --git a/src/drivers/boards/px4io-v1/board_config.h b/src/drivers/boards/px4io-v1/board_config.h
index dfa9d2af74..30cfa9b660 100644
--- a/src/drivers/boards/px4io-v1/board_config.h
+++ b/src/drivers/boards/px4io-v1/board_config.h
@@ -85,6 +85,10 @@
 
 #define POWER_SPEKTRUM(_s)		stm32_gpiowrite(GPIO_RELAY1_EN, (_s))
 
+#define SPEKTRUM_RX_HIGH(_s)	stm32_gpiowrite(GPIO_USART1_RX_SPEKTRUM, (_s))
+#define SPEKTRUM_RX_AS_UART()		stm32_configgpio(GPIO_USART1_RX)		
+#define SPEKTRUM_RX_AS_GPIO()		stm32_configgpio(GPIO_USART1_RX_SPEKTRUM)
+
 /* Analog inputs ********************************************************************/
 
 #define GPIO_ADC_VBATT	(GPIO_INPUT|GPIO_CNF_ANALOGIN|GPIO_MODE_INPUT|GPIO_PORTA|GPIO_PIN4)