diff --git a/thermo_sensor/main/thermo_sensor.c b/thermo_sensor/main/thermo_sensor.c
index 3de6729..5a14e3d 100644
--- a/thermo_sensor/main/thermo_sensor.c
+++ b/thermo_sensor/main/thermo_sensor.c
@@ -23,10 +23,6 @@ static lv_display_t *sh_display = NULL;
 static lv_obj_t *label = NULL;
 bmp280_t dev_bmp_280;
 
-static void lvgl_tick_cb(void *arg) {
-    lv_tick_inc(10);
-}
-
 void lvgl_task(void *pvParameters) {
     while (1) {
         lv_timer_handler();
@@ -42,7 +38,7 @@ void sensor_task(void *pvParameters) {
         // Najpierw OLED, potem (blokujący) HTTP — żeby ekran
         // odświeżył się nawet gdy serwer nie odpowiada.
         char buf[256];
-        snprintf(buf, sizeof(buf), "Temp: %.2f C\nHumid: %.2f %%\nPress: %.2f hPa",
+        snprintf(buf, sizeof(buf), "Temp: %.1f C\nHumid: %.1f %%\nPress: %.1f hPa",
                  CURR_READOUT.temperature,
                  CURR_READOUT.humidity,
                  CURR_READOUT.pressure / 100.);
@@ -81,24 +77,14 @@ void app_main()
     httpd_register_uri_handler(server, &ygg_press_uri);
     httpd_register_uri_handler(server, &ygg_hum_uri);
 
-    ESP_ERROR_CHECK(i2cdev_init());
-    
     sh_display = ygg_sh1106_init();
-    // LVGL potrzebuje regularnego ticka, inaczej redraw nigdy się nie wykona
-    // (to był powód, dla którego wisiało "FIRST").
-    const esp_timer_create_args_t lvgl_tick_args = {
-        .callback = lvgl_tick_cb,
-        .name = "lvgl_tick",
-    };
-    esp_timer_handle_t lvgl_tick_handle = NULL;
-    ESP_ERROR_CHECK(esp_timer_create(&lvgl_tick_args, &lvgl_tick_handle));
-    ESP_ERROR_CHECK(esp_timer_start_periodic(lvgl_tick_handle, 10 * 1000));
 
     lv_obj_t *scr = lv_display_get_screen_active(sh_display);
     label = lv_label_create(scr);
-    ygg_set_display_label(sh_display, label, "FIRST");
+    ygg_set_display_label(sh_display, label, "PLEASE WAIT...");
 
     ygg_bmp280_init(&dev_bmp_280);
+
     xTaskCreatePinnedToCore(lvgl_task, "lvgl", 4096, NULL, 4, NULL, APP_CPU_NUM);
     xTaskCreatePinnedToCore(sensor_task, "bmp280_test", 8192, NULL, 5, NULL, APP_CPU_NUM);
 }
diff --git a/thermo_sensor/main/ygg_bmp280.c b/thermo_sensor/main/ygg_bmp280.c
index b1353f9..fa37928 100644
--- a/thermo_sensor/main/ygg_bmp280.c
+++ b/thermo_sensor/main/ygg_bmp280.c
@@ -5,6 +5,7 @@
 #include "ygg_state.h"
 
 void ygg_bmp280_init(bmp280_t *dev) {
+    ESP_ERROR_CHECK(i2cdev_init());
     bmp280_params_t params;
     bmp280_init_default_params(&params);
     memset(dev, 0, sizeof(bmp280_t));
diff --git a/thermo_sensor/main/ygg_sh1106.c b/thermo_sensor/main/ygg_sh1106.c
index d101c77..f5fcb30 100644
--- a/thermo_sensor/main/ygg_sh1106.c
+++ b/thermo_sensor/main/ygg_sh1106.c
@@ -1,11 +1,10 @@
+#include <string.h>
 #include "ygg_sh1106.h"
 #include "lvgl.h"
 #include "i2cdev.h"
-#include "esp_log.h"
 #include "esp_lcd_io_i2c.h"
 #include "esp_lcd_panel_ops.h"
 #include "esp_timer.h"
-#include "esp_lcd_panel_io.h"
 #include "esp_lcd_panel_sh1106.h"
 
 #define I2C_HOST I2C_NUM_0
@@ -57,8 +56,22 @@ static void example_lvgl_flush_cb(lv_display_t *disp, const lv_area_t *area, uin
     lv_display_flush_ready(disp);
 }
 
+static void lvgl_tick_cb(void *arg) {
+    lv_tick_inc(10);
+}
+
+void ygg_init_tick_cb() {
+    const esp_timer_create_args_t lvgl_tick_args = {
+        .callback = lvgl_tick_cb,
+        .name = "lvgl_tick",
+    };
+    esp_timer_handle_t lvgl_tick_handle = NULL;
+    ESP_ERROR_CHECK(esp_timer_create(&lvgl_tick_args, &lvgl_tick_handle));
+    ESP_ERROR_CHECK(esp_timer_start_periodic(lvgl_tick_handle, 10 * 1000));
+}
+
 lv_display_t* ygg_sh1106_init() {
-    //ESP_ERROR_CHECK(i2cdev_init());
+    ESP_ERROR_CHECK(i2cdev_init());
 
     static i2c_dev_t oled_i2c_dev;
     memset(&oled_i2c_dev, 0, sizeof(oled_i2c_dev));
@@ -130,7 +143,7 @@ lv_display_t* ygg_sh1106_init() {
     lv_display_set_buffers(display, buf, NULL, draw_buffer_sz, LV_DISPLAY_RENDER_MODE_FULL);
     lv_display_set_flush_cb(display, example_lvgl_flush_cb);
 
-    lv_obj_t *scr = lv_display_get_screen_active(display);
+    ygg_init_tick_cb();
 
     return display;
 }