Esphome

esp32-c3-mini.yaml

@@ -85,6 +85,28 @@ sensor:
     i2c_id: bus_a
     address: 0x76
     update_interval: 1s
+
+# - platform: gpio
+#     id: switch_output1
+#     name: "a8-output1"
+#     pin:
+#       pcf8574: pcf8574_hub_out_1
+#       number: 0
+#       mode: OUTPUT
+#       inverted: true
+
+
+switch:
+  - platform: gpio
+    id: switch_output1
+    pin: GPIO5
+    inverted: True
+    
+
+binary_sensor:
+  - platform: gpio
+    name: "Pin GPIO21"
+    pin: GPIO21
   
 web_server:
   port: 80