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Martin Jerry US-SS02 Humidity Sensor Switch

Martin Jerry US-SS02 Humidity Sensor Switch

Device Type: switch
Electrical Standard: us
Board: esp8266

Amazon Link

Device on Martin Jerry

Flashing

These switches come preflashed with custom tasmota firmware, which leaves no space for an ESPHome binary OTA update.

If you would try to flash it with an ESPHome binary - update will fail.

This can be worked around by flashing the device with a Tasmota minimal binary first, then re-flashing with your ESPHome binary.

GPIO Pinout

PinFunction
GPIO3button
GPIO5relay
GPIO4i2c SCL
GPIO12red LED
GPIO13i2c SDA
GPIO14blue LED

Basic Configuration

substitutions:
  name: martin-jerry-ss02
  friendly_name: Martin Jerry SS02
  on_humidity_threshold: "85"
  off_humidity_threshold: "75"


esphome:
  name: "${name}"
  friendly_name: "${friendly_name}"
  platform: ESP8266
  board: esp8285


# Enable logging
logger:


# Enable Home Assistant API
api:
  encryption:
    key:


ota:
  password:


wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password
  ap:
    ssid: ${friendly_name}_AP
    password: !secret wifi_password


captive_portal:


i2c:
  sda: GPIO13
  scl: GPIO04


number:
  - platform: template
    name: "${friendly_name} On Humidity Threshold"
    id: on_humidity_threshold_ui
    unit_of_measurement: "%"
    min_value: 0
    max_value: 100
    step: 5
    mode: box
    update_interval: never
    optimistic: true
    restore_value: true
    initial_value: ${on_humidity_threshold}
    icon: "mdi:water-percent"
    entity_category: config
    on_value:
      - lambda: 'id(aht10_sensor).update();'
  - platform: template
    name: "${friendly_name} Off Humidity Threshold"
    id: off_humidity_threshold_ui
    unit_of_measurement: "%"
    min_value: 0
    max_value: 100
    step: 5
    mode: box
    update_interval: never
    optimistic: true
    restore_value: true
    initial_value: ${off_humidity_threshold}
    icon: "mdi:water-percent"
    entity_category: config
    on_value:
      - lambda: 'id(aht10_sensor).update();'


sensor:
  - platform: aht10
    id: aht10_sensor
    update_interval: 30s
    humidity:
      name: "${friendly_name} Humidity"
      on_value:
        then:
          - lambda: |-
              if (x >= id(on_humidity_threshold_ui).state) {
                id(relay).turn_on();
              } else if (x >= id(off_humidity_threshold_ui).state) {
                id(relay).turn_off();
              }


switch:
  - platform: gpio
    id: relay
    name: "${friendly_name}"
    icon: mdi:fan
    pin: GPIO05
    on_turn_on:
      - switch.turn_on: blue_led
      - switch.turn_off: red_led
    on_turn_off:
      - switch.turn_on: blue_led
      - switch.turn_on: red_led
  - platform: gpio
    pin: GPIO12
    id: red_led
    internal: true
    inverted: true
  - platform: gpio
    pin: GPIO14
    id: blue_led
    internal: true
    inverted: true


binary_sensor:
  - platform: gpio
    pin:
      number: GPIO03
      mode: INPUT_PULLUP
      inverted: true
    id: main_button
    internal: true
    on_press:
      - switch.toggle: relay


button:
  - platform: restart
    id: restart_button
    name: "${friendly_name} Restart"
    entity_category: diagnostic
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