Hiking DDS238-2 WIFI Single Phase 65A Energy Meter

Manufacturer

Hiking TOMZN (Tuya)

Product Images

Available from

aliexpress.com

Flashing info

I flashed the compiled config using tasmotizer with no issues. Desolding the ESP-Board is required as the TX/RX pins are connected to the Tuya MCU, guide available on GitHub for Tasmota with photo's.

GPIO Pinout

Pin	Function
GPIO1	Tuya MCU Tx
GPIO3	Tuya MCU Rx
GPIO14	LED (inverted)
GPIO16	Button (inverted)

Basic Configuration

# Basic Config
---
substitutions:
  device_name: energy_meter
  friendly_name: "Energy Meter"

esphome:
  name: ${device_name}

esp8266:
  board: esp01_1m

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifipassword
  ap:
    ssid: ${friendly_name}
    password: !secret esphome_admin_password

captive_portal:

logger:
  baud_rate: 0

api:

ota:

uart:
  rx_pin: GPIO3
  tx_pin: GPIO1
  baud_rate: 9600

tuya:

switch:
  - platform: "tuya"
    name: "${friendly_name} Switch"
    id: power
    switch_datapoint: 1

binary_sensor:
  - platform: gpio
    pin: 16
    id: button
    on_press:
      then:
        - switch.toggle: power

sensor:
  - platform: "tuya"
    name: "${friendly_name} Current"
    sensor_datapoint: 18
    accuracy_decimals: 2
    unit_of_measurement: "A"
    icon: "mdi:flash"
    filters:
      - multiply: 0.001

  - platform: "tuya"
    name: "${friendly_name} Power"
    sensor_datapoint: 19
    accuracy_decimals: 1
    unit_of_measurement: "W"
    icon: "mdi:flash"
    filters:
      - multiply: 0.1

  - platform: "tuya"
    name: "${friendly_name} Voltage"
    sensor_datapoint: 20
    unit_of_measurement: "V"
    accuracy_decimals: 1
    icon: "mdi:flash"
    filters:
      - multiply: 0.1

  - platform: "tuya"
    name: "${friendly_name} kWh +"
    sensor_datapoint: 101
    unit_of_measurement: "kWh"
    accuracy_decimals: 3
    icon: "mdi:flash"
    filters:
      - multiply: 0.01

  - platform: "tuya"
    name: "${friendly_name} kWh -"
    sensor_datapoint: 9
    unit_of_measurement: "kWh"
    accuracy_decimals: 3
    icon: "mdi:flash"
    filters:
      - multiply: 0.01