Moved AC/DC out of the way of the minus sign, added an h glyph for hFE display.

esphome/owon-b35t.yaml

@@ -75,6 +75,12 @@ ble_client:
       then:
         - lambda: |-
             owon_meter.on_disconnect();
+        - logger.log:
+            level: WARN
+            format: "OWON BLE meter disconnected; restarting M5Stack to reclaim heap"
+        - delay: 1s
+        - lambda: |-
+            esp_restart();
 
 spi:
   clk_pin: GPIO18
@@ -147,6 +153,7 @@ font:
         "e",
         "f",
         "g",
+        "h",
         "i",
         "k",
         "m",

esphome/owon_b35t.h

@@ -222,8 +222,8 @@ class Meter {
     this->label_(it, font, 218, 8, "HOLD", this->hold() ? blue : inactive);
     this->label_(it, font, 270, 8, "REL", this->relative() ? Color(128, 128, 0) : inactive);
 
-    this->label_(it, font, 8, 72, "DC", this->dc() ? cyan : inactive);
-    this->label_(it, font, 8, 96, "AC", this->ac() ? magenta : inactive);
+    this->label_(it, font, 8, 66, "DC", this->dc() ? cyan : inactive);
+    this->label_(it, font, 8, 102, "AC", this->ac() ? magenta : inactive);
 
     if (!this->connected) {
       this->draw_digits_(it, "----", false, inactive);