Initialize to 0

Core/Src/main.c

@@ -22,6 +22,7 @@
 /* Private includes ----------------------------------------------------------*/
 /* USER CODE BEGIN Includes */
 
+#include <string.h>
 /* USER CODE END Includes */
 
 /* Private typedef -----------------------------------------------------------*/
@@ -121,6 +122,7 @@ int main(void) {
   /* Infinite loop */
   /* USER CODE BEGIN WHILE */
   uint16_t temperatures[N_SENSORS];
+  memset(temperatures, 0, sizeof(temperatures));
   while (1) {
     /* USER CODE END WHILE */