diff --git a/src/interrupts.c b/src/interrupts.c
--- a/src/interrupts.c
+++ b/src/interrupts.c
@@ -7,6 +7,7 @@
 
 #include "interrupts.h"
 
+#include "gpio.h"
 
 // Systick interrupt
 void SysTick_Handler(void)
@@ -15,3 +16,44 @@ void SysTick_Handler(void)
   HAL_SYSTICK_IRQHandler();
 }
 
+void EXTI9_5_IRQHandler(void)
+{
+  /* USER CODE BEGIN EXTI9_5_IRQn 0 */
+
+  /* USER CODE END EXTI9_5_IRQn 0 */
+  HAL_GPIO_EXTI_IRQHandler(SW_A_Pin);
+  HAL_GPIO_EXTI_IRQHandler(SW_BTN_Pin);
+  HAL_GPIO_EXTI_IRQHandler(SW_C_Pin);
+  /* USER CODE BEGIN EXTI9_5_IRQn 1 */
+
+  /* USER CODE END EXTI9_5_IRQn 1 */
+}
+
+void EXTI15_10_IRQHandler(void)
+{
+  /* USER CODE BEGIN EXTI15_10_IRQn 0 */
+
+  /* USER CODE END EXTI15_10_IRQn 0 */
+  HAL_GPIO_EXTI_IRQHandler(SW_D_Pin);
+  HAL_GPIO_EXTI_IRQHandler(SW_B_Pin);
+  /* USER CODE BEGIN EXTI15_10_IRQn 1 */
+
+  /* USER CODE END EXTI15_10_IRQn 1 */
+}
+
+uint32_t last_button_press = 0;
+
+void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
+{
+	switch(GPIO_Pin)
+	{
+		case SW_BTN_Pin:
+		{
+			if(HAL_GetTick() > last_button_press + 100)
+			{
+				HAL_GPIO_TogglePin(LED_RED);
+				last_button_press = HAL_GetTick();
+			}
+		} break;
+	}
+}