save some implementation

main/hw/mcp23018.c

@@ -1,4 +1,6 @@
 #include "mcp23018.h"
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
 // Local buffer for tracking GPIO state
 
 i2c_device_config_t MCP23018_DEV_CFG = {
@@ -36,6 +38,7 @@ void mcp23018_set_pin(i2c_master_dev_handle_t dev_handle, uint8_t pin, uint8_t v
         // Write updated buffer to MCP23018
         i2c_write_register_8(dev_handle, MCP23018_GPIOB, gpiob_state);
     }
+    vTaskDelay(1 / portTICK_PERIOD_MS);
 }
 
 void mcp23018_init()