added diags from waveshare 6ch relay

common/diag.yaml

@@ -10,6 +10,16 @@ sensor:
   - platform: wifi_signal
     name: "${friendly_devicename} WiFi Signal"
     id: ${low_devicename}_wifi_signal
+    update_interval: 60s
+    entity_category: diagnostic
+  # Reports the WiFi signal strength in %
+  - platform: copy
+    source_id: "${low_devicename}_wifi_signal"
+    name: "${friendly_devicename} WiFi Strength"
+    filters:
+      - lambda: return min(max(2 * (x + 100.0), 0.0), 100.0);
+    unit_of_measurement: "%"
+    entity_category: diagnostic
   - platform: uptime
     name: Uptime
 
@@ -19,4 +29,4 @@ binary_sensor:
 
 text_sensor:
   - platform: version
-    name: ${friendly_devicename} Version
+    name: "${friendly_devicename} Version"