minor updates

lv_conf_templ.h

@@ -38,7 +38,7 @@
  * Required for buffered drawing, opacity and anti-aliasing
  * VDB makes the double buffering, you don't need to deal with it!
  * Typical size: ~1/10 screen */
-#define LV_VDB_SIZE         (20 * LV_HOR_RES)  /*Size of VDB in pixel count*/
+#define LV_VDB_SIZE         (20 * LV_HOR_RES)  /*Size of VDB in pixel count (1/10 screen size is good for first)*/
 #define LV_VDB_ADR          0                  /*Place VDB to a specific address (e.g. in external RAM) (0: allocate automatically into RAM)*/
 
 /* Use two Virtual Display buffers (VDB) parallelize rendering and flushing (optional)
@@ -145,7 +145,7 @@
 /*Label (dependencies: -*/
 #define USE_LV_LABEL    1
 #if USE_LV_LABEL != 0
-#define LV_LABEL_SCROLL_SPEED       25     /*Hor, or ver. scroll speed (px/sec) in 'LV_LABEL_LONG_SCROLL/ROLL' mode*/
+#define LV_LABEL_SCROLL_SPEED       25     /*Hor, or ver. scroll speed [px/sec] in 'LV_LABEL_LONG_SCROLL/ROLL' mode*/
 #endif
 
 /*Image (dependencies: lv_label*/

lv_themes/lv_theme_night.c

@@ -256,7 +256,7 @@ static void lmeter_init(void)
     lmeter_bg.body.padding.inner = LV_DPI / 10;         /*Text padding*/
     lmeter_bg.body.border.color = LV_COLOR_HEX3(0x333);
     lmeter_bg.line.color = LV_COLOR_HEX3(0x555);
-    lmeter_bg.line.width = 2;
+    lmeter_bg.line.width = 1;
     lmeter_bg.text.color = LV_COLOR_HEX3(0xddd);
 
     theme.lmeter = &lmeter_bg;
@@ -271,7 +271,7 @@ static void gauge_init(void)
     gauge_bg.body.main_color = lv_color_hsv_to_rgb(_hue, 10, 70);
     gauge_bg.body.grad_color = gauge_bg.body.main_color;
     gauge_bg.line.color = lv_color_hsv_to_rgb(_hue, 80, 75);
-    gauge_bg.line.width = 2;
+    gauge_bg.line.width = 1;
     gauge_bg.text.color = LV_COLOR_HEX3(0xddd);
 
     theme.gauge = &gauge_bg;