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Nexx NXG-100

Nexx NXG-100

Device Type: relay
Electrical Standard: us
Board: esp8266

Product

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https://getnexx.com/pages/support

Case has a close fit, but a knife edge near the corner can be used to open the case. Standard serial header pattern present on the board as shown:

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GPIO Pinout

PinFunction
GPIO00Reset BUTTON
GPIO01TX
GPIO03RX
GPIO04Red status LED
GPIO12Door Relay
GPIO13Green status LED
GPIO14Door Closed Sensor

Basic Config

Pressing the reset button .5-2 seconds will pulse the door relay. On each transition of the door sensor, the green LED will blink.

esphome:
  name: nxg100
  platform: ESP8266
  board: esp01_1m


ota:


wifi:
  ssid: <SSID>
  password: <Password>


  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Nxg100 Fallback Hotspot"
    password: <FB Password>


captive_portal:


# Enable logging
logger:


# Enable Home Assistant API
api:


web_server:


status_led:
  pin:
    number: GPIO4
    inverted: false


binary_sensor:
  - platform: gpio
    pin:
      number: GPIO0
      mode: INPUT_PULLUP
      inverted: True
    internal: true
    name: "Reset Button"
    on_click:
      min_length: 500ms
      max_length: 2000ms
      then:
        - switch.turn_on: greenLED
        - if:
            condition:
              switch.is_on: relay
            then:
              # just in case someone manually changed it
              - switch.turn_off: relay
              - delay: 0.5s
        # Turn the OPEN switch on briefly
        - switch.turn_on: relay
        - delay: 0.2s
        - switch.turn_off: relay
        - switch.turn_off: greenLED


  - platform: gpio
    pin:
      number: GPIO14
      mode: INPUT_PULLUP
      inverted: True
    name: "Door Closed"
    id: "doorclosed"
    on_press:
      - switch.turn_on: greenLED
      - delay: 0.1s
      - switch.turn_off: greenLED
    on_release:
      - switch.turn_on: greenLED
      - delay: 0.1s
      - switch.turn_off: greenLED


  - platform: status
    name: "Status"
    internal: true


sensor:
  - platform: wifi_signal
    name: "WiFi Signal"
    update_interval: 60s


switch:
  - platform: gpio
    name: "Door Relay"
    pin: GPIO12
    id: "relay"
    internal: true


  - platform: gpio
    name: "Green LED"
    pin: GPIO13
    id: "greenLED"
    inverted: true
    internal: true


  - platform: restart
    name: "Restart"


cover:
  - platform: template
    name: "Garage Door"
    open_action:
      - switch.turn_on: greenLED
      # Turn the OPEN switch on briefly
      - switch.turn_on: relay
      - delay: 0.2s
      - switch.turn_off: relay
      - switch.turn_off: greenLED
    close_action:
      - switch.turn_on: greenLED
      # Turn the OPEN switch on briefly
      - switch.turn_on: relay
      - delay: 0.2s
      - switch.turn_off: relay
      - switch.turn_off: greenLED
    optimistic: true
    assumed_state: true

Delux Config

This adds sensor checking, so that the closed button does nothing when the door is already closed. Similarly if the door is open, the open button does nothing.

esphome:
  name: nxg100
  platform: ESP8266
  board: esp01_1m


ota:


wifi:
  ssid: <SSID>
  password: <Password>


  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Nxg100 Fallback Hotspot"
    password: <FB Password>


captive_portal:


# Enable logging
logger:


# Enable Home Assistant API
api:


web_server:


status_led:
  pin:
    number: GPIO4
    inverted: false


binary_sensor:
  - platform: gpio
    pin:
      number: GPIO0
      mode: INPUT_PULLUP
      inverted: True
    internal: true
    name: "Reset Button"
    on_click:
      min_length: 500ms
      max_length: 2000ms
      then:
        - switch.turn_on: greenLED
        - if:
            condition:
              switch.is_on: relay
            then:
              # just in case someone manually changed it
              - switch.turn_off: relay
              - delay: 0.5s
        # Turn the OPEN switch on briefly
        - switch.turn_on: relay
        - delay: 0.2s
        - switch.turn_off: relay
        - switch.turn_off: greenLED


  - platform: gpio
    pin:
      number: GPIO14
      mode: INPUT_PULLUP
      inverted: True
    name: "Door Closed"
    id: "doorclosed"
    on_press:
      - switch.turn_on: greenLED
      - delay: 0.1s
      - switch.turn_off: greenLED
    on_release:
      - switch.turn_on: greenLED
      - delay: 0.1s
      - switch.turn_off: greenLED


  - platform: status
    name: "Status"
    internal: true


sensor:
  - platform: wifi_signal
    name: "WiFi Signal"
    update_interval: 60s


switch:
  - platform: gpio
    name: "Door Relay"
    pin: GPIO12
    id: "relay"
    internal: true


  - platform: gpio
    name: "Green LED"
    pin: GPIO13
    id: "greenLED"
    inverted: true
    internal: true


  - platform: restart
    name: "Restart"


cover:
  - platform: template
    name: "Garage Door"
    open_action:
      - if:
          condition:
            binary_sensor.is_off: doorclosed
          then:
            - logger.log: "Door is already open"
          else:
            - switch.turn_on: greenLED
            - if:
                condition:
                  switch.is_on: relay
                then:
                  # just in case someone manually changed it
                  - switch.turn_off: relay
                  - delay: 0.5s
            # Turn the OPEN switch on briefly
            - switch.turn_on: relay
            - delay: 0.2s
            - switch.turn_off: relay
            - switch.turn_off: greenLED
    close_action:
      - if:
          condition:
            binary_sensor.is_on: doorclosed
          then:
            - logger.log: "Door is already closed"
          else:
            - switch.turn_on: greenLED
            - if:
                condition:
                  switch.is_on: relay
                then:
                  # just in case someone manually changed it
                  - switch.turn_off: relay
                  - delay: 0.5s
            # Turn the OPEN switch on briefly
            - switch.turn_on: relay
            - delay: 0.2s
            - switch.turn_off: relay
            - switch.turn_off: greenLED
    optimistic: true
    assumed_state: true
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