Remove dead values from HA and rendering code. Also increase font size.

esphome/lab-ble-proxy.yaml

@@ -74,6 +74,10 @@ globals:
     type: int
     initial_value: "0"
     restore_value: no
+  - id: atorch_connected
+    type: bool
+    initial_value: "false"
+    restore_value: no
 
 interval:
   - interval: 10s
@@ -108,6 +112,16 @@ ble_client:
 
   - mac_address: ${dl24_mac_address}
     id: atorch_ble_client
+    on_connect:
+      then:
+        - lambda: |-
+            id(atorch_connected) = true;
+            id(lcd).update();
+    on_disconnect:
+      then:
+        - lambda: |-
+            id(atorch_connected) = false;
+            id(lcd).update();
 
 atorch_dl24:
   - id: atorch0
@@ -217,6 +231,33 @@ font:
         "Ω",
       ]
 
+  - file: "fonts/Roboto-Medium.ttf"
+    id: atorch_value_font
+    size: 22
+    glyphs:
+      [
+        " ",
+        "+",
+        "-",
+        ".",
+        "0",
+        "1",
+        "2",
+        "3",
+        "4",
+        "5",
+        "6",
+        "7",
+        "8",
+        "9",
+        "A",
+        "C",
+        "V",
+        "W",
+        "h",
+        "°",
+      ]
+
 display:
   - platform: mipi_spi
     id: lcd
@@ -226,15 +267,14 @@ display:
       owon_meter.render(
         it,
         id(meter_font),
+        id(atorch_value_font),
         id(display_page),
-        id(atorch_running).state,
+        id(atorch_connected),
         id(atorch_voltage).has_state() ? id(atorch_voltage).state : NAN,
         id(atorch_current).has_state() ? id(atorch_current).state : NAN,
         id(atorch_power).has_state() ? id(atorch_power).state : NAN,
         id(atorch_capacity).has_state() ? id(atorch_capacity).state : NAN,
-        id(atorch_energy).has_state() ? id(atorch_energy).state : NAN,
-        id(atorch_temperature).has_state() ? id(atorch_temperature).state : NAN,
-        id(atorch_runtime_formatted).has_state() ? id(atorch_runtime_formatted).state.c_str() : "--:--:--"
+        id(atorch_temperature).has_state() ? id(atorch_temperature).state : NAN
       );
 
 touchscreen:
@@ -330,6 +370,11 @@ binary_sensor:
     name: "${friendly_name} OWON Low Battery"
     lambda: |-
       return owon_meter.low_battery;
+  - platform: template
+    name: "${friendly_name} Atorch Connected"
+    device_class: connectivity
+    lambda: |-
+      return id(atorch_connected);
 
 sensor:
   - platform: ble_client