commit f1015f6abeaed0b2eeceab5e14be901fb1a99c06
Author: Michal <michal@cucky.cz>
Date:   Sun Apr 20 10:53:05 2025 +0200

    Add tongou_metering.yaml

diff --git a/tongou_metering.yaml b/tongou_metering.yaml
new file mode 100644
index 0000000..b7766e4
--- /dev/null
+++ b/tongou_metering.yaml
@@ -0,0 +1,102 @@
+esphome:
+  name: ${name}
+
+bk72xx:
+  board: generic-bk7231n-qfn32-tuya
+
+text_sensor:
+  - platform: libretiny
+    version:
+      name: LibreTiny Version
+
+light:
+  - platform: status_led
+    internal: true
+    pin:
+      number: P15
+      inverted: true
+    id: led
+    restore_mode: ALWAYS_OFF
+
+binary_sensor:
+  - platform: gpio
+    name: button
+    id: device_button
+    internal: true
+    pin:
+      number: P17
+      inverted: true
+    filters:
+     - delayed_off: 10ms
+    on_press:
+      then:
+         switch.toggle: relay
+       
+
+switch:
+
+  - platform: gpio
+    internal: true
+    pin: P24
+    id: relay_on
+    restore_mode: ALWAYS_OFF
+  - platform: gpio
+    internal: true
+    pin: P26
+    id: relay_off
+    restore_mode: ALWAYS_OFF
+
+    # rele
+  - platform: gpio
+    pin:
+      number: P9
+      inverted: true
+    id: relay
+    name: Relay
+    # On by default should be fine as this is not a safety device
+    restore_mode: RESTORE_DEFAULT_ON
+    on_turn_on:
+      then:
+       - switch.turn_off: relay_off
+       - switch.turn_on: relay_on
+       - delay: 100ms
+       - switch.turn_off: relay_on
+    on_turn_off:
+      then:
+       - switch.turn_off: relay_on
+       - switch.turn_on: relay_off
+       - delay: 100ms
+       - switch.turn_off: relay_off
+
+uart:
+  id: uart_bus
+  tx_pin: TX1
+  rx_pin: RX1
+  baud_rate: 4800
+  stop_bits: 1
+
+sensor:
+  - platform: internal_temperature
+    name: "Internal Temperature"
+
+
+  - platform: bl0942
+    uart_id: uart_bus
+    update_interval: 20s
+    voltage_reference: ${voltage_ref}
+    current_reference: ${current_ref}
+    power_reference: ${power_ref}
+    energy_reference: ${energy_ref}
+    current:
+      name: Current
+    voltage:
+      name: Voltage
+    power:
+      name: Power
+      filters:
+        multiply: -1
+    energy:
+      name: Energy
+    frequency:
+      name: Frequency
+      accuracy_decimals: 2