More and more small fixes

esphome/common/water_flow_sensor.yaml

@@ -0,0 +1,24 @@
+# Specifications:
+# Working range: 1-25L/min
+# Max water pressure: 1.75Mpa
+# F=11Q(L/min)
+# Working Voltage Range: DC5-15V
+# Accuracy:±3%
+# Temperature sensor: NTC 3950 R25=50K
+# Male Thread External Diameter:20.5mm(0.8 inch)
+# Tube Length:65mm(2.56 inch)
+# Cable Length:30cm(11.81 inch)
+# Temperature Sensor Length:16mm(0.63 inch)
+# Size:65mm*30mm*28mm(L*W*H)
+
+# Package Include:
+# Flow meter x 1
+
+ sensor:
+  - platform: pulse_counter
+    pin: GPIO5
+    name: "Pulse Counter"
+    update_interval: 5s
+    filters:
+    - lambda: return (x / 11.0) * 60.0;
+    unit_of_measurement: "L/hr"