NodeMCU base configuration for ESPHome

nodemcu base.yaml

substitutions:
  device_name: node1
  device_description: NodeMCU dev board, 15x2 pins with 2 LEDs and 2 buttons. Change this line to talk about what your board is for/where it is located.
  friendly_name: Node 1

esphome:
  name: ${device_name}
  comment: ${device_description}
  platform: ESP8266
  board: nodemcuv2

wifi:
  ssid: !secret wifissid #define these in a secrets.yaml in your esphome folder, or in your main HA config folder and have a secrets.yaml in esphome that loads that with just "<<: !include ../secrets.yaml"
  password: !secret wifipass
  fast_connect: on #we only have one WiFi AP so just use the first one that matches
  ap: #since we listed an SSID above, this AP mode will only enable if no WiFi connection could be made
    ssid: ${friendly_name}_AP
    password: !secret wifipass

# Enable Captive Portal on the AP mode, to make it easy to change the wifi settings if they fail
captive_portal:

# Enable logging
logger:
  baud_rate: 0 #disable UART logging since we aren't monitoring GPIO1 TX. Remove this line if you want to view the log by connecting the USB to a computer and viewing the COM port with Termite or Teraterm or similar.

# Enable Home Assistant API
api:

# Enable OTA updates
ota:

# Enable web server
web_server:
  port: 80

# Individual on/off sensors
binary_sensor:
# Reports when the button is pressed
- platform: gpio
  pin:
    number: D3 #"Flash" button on GPIO0
    mode: INPUT_PULLUP
    inverted: True
  name: ${friendly_name} Flash Button
  on_press:
    - light.toggle: led_d0
    - light.toggle: led_d4

# Reports if this device is Connected or not
- platform: status
  name: ${friendly_name} Status

# Individual data sensors
sensor:
# Reports the WiFi signal strength/RSSI in dB, see https://esphome.io/components/sensor/wifi_signal.html
- platform: wifi_signal
  name: ${friendly_name} Signal
  update_interval: 60s

# Reports the WiFi signal strength in %
- platform: wifi_signal
  name: ${friendly_name} Signal Percent
  update_interval: 60s
  filters:
    - lambda: return min(max(2 * (x + 100.0), 0.0), 100.0);
  unit_of_measurement: "Signal %"

# Reports how long the device has been powered (in minutes)
- platform: uptime
  name: ${friendly_name} Uptime
  filters:
    - lambda: return x / 60.0;
  unit_of_measurement: minutes

# Individual text sensors
text_sensor:
# Reports the ESPHome Version with compile date
- platform: version
  name: ${friendly_name} ESPHome Version

# Output pins
output:
- platform: esp8266_pwm
  id: led_d0_output
  pin: D0 #blue LED inverted on NodeMCU
  inverted: True

- platform: esp8266_pwm
  id: led_d4_output
  pin: D4 #blue LED inverted on ESP-12E module itself
  inverted: True

# Light devices
light:
# blue LED inverted on NodeMCU
- platform: monochromatic
  name: ${friendly_name} Blue LED D0
  output: led_d0_output
  id: led_d0
  effects:
    - strobe:
    - flicker:
        alpha: 50% #The percentage that the last color value should affect the light. More or less the “forget-factor” of an exponential moving average. Defaults to 95%.
        intensity: 50% #The intensity of the flickering, basically the maximum amplitude of the random offsets. Defaults to 1.5%.
    - lambda:
        name: Throb
        update_interval: 1s
        lambda: |-
          static int state = 0;
          auto call = id(led_d0).turn_on();
          // Transtion of 1000ms = 1s
          call.set_transition_length(1000);
          if (state == 0) {
            call.set_brightness(1.0);
          } else {
            call.set_brightness(0.01);
          }
          call.perform();
          state += 1;
          if (state == 2)
            state = 0;

# blue LED inverted on ESP-12E module itself
- platform: monochromatic
  name: ${friendly_name} Blue LED D4
  output: led_d4_output
  id: led_d4
  effects:
    - strobe:
    - flicker:
        alpha: 50% #The percentage that the last color value should affect the light. More or less the “forget-factor” of an exponential moving average. Defaults to 95%.
        intensity: 50% #The intensity of the flickering, basically the maximum amplitude of the random offsets. Defaults to 1.5%.
    - lambda:
        name: Throb
        update_interval: 1s
        lambda: |-
          static int state = 0;
          auto call = id(led_d4).turn_on();
          // Transtion of 1000ms = 1s
          call.set_transition_length(1000);
          if (state == 0) {
            call.set_brightness(1.0);
          } else {
            call.set_brightness(0.01);
          }
          call.perform();
          state += 1;
          if (state == 2)
            state = 0;

# Blink a light if we aren't connected to WiFi. Could use https://esphome.io/components/status_led.html instead but then we couldn't use this light for other things as well.
interval:
- interval: 500ms
  then:
  - if:
      condition:
        not:
          wifi.connected:
      then:
        - light.turn_on:
            id: led_d4
            brightness: 100%
            transition_length: 0s
        - delay: 250ms
        - light.turn_off:
            id: led_d4
            transition_length: 250ms

#status_led:
#  pin:
#    number: D4
#    inverted: True
#  id: led_status