This PCB is an 8 in 1 Sensor for Home Assistant.

The NodeMCU is flashed with ESPHome with the following code.

esphome:
  name: sensor_pyramide_wohnzimmer
  platform: ESP8266
  board: nodemcuv2

wifi:
  ssid: !secret WLanSSID
  password: !secret WLanPassword

  ap:
    ssid: "Sensor-Pyramide"
    password: "1234567890"

captive_portal:
logger:

api:
  password: !secret HA_API_Password
ota:
  password: !secret HA_OTA_Password



sensor:
  - platform: dht
    pin: GPIO12
    temperature:
      name: "Wohnzimmer Temperatur"
      unit_of_measurement: "°C"

    humidity:
      name: "Wohnzimmer Luftfeuchtigkeit"
      unit_of_measurement: "g/m3"

    update_interval: 60s

  - platform: adc
    pin: A0
    name: Wohnzimmer Gas

binary_sensor:
  - platform: gpio
    pin: GPIO5
    name: Wohnzimmer Bewegung
    device_class: motion

  - platform: gpio
    pin: GPIO4
    name: Wohnzimmer Licht
    device_class: light
    filters:
      - invert:

  - platform: gpio
    pin: GPIO14
    name: Wohnzimmer Ton
    device_class: sound
    filters:
      - invert:
  

switch:
  - platform: gpio
    pin: GPIO0
    name: Wohnzimmer Buzzer


light:
  - platform: fastled_clockless
    chipset: WS2812B
    pin: GPIO13
    num_leds: 12
    rgb_order: GRB
    name: "Wohnzimmer Pyramide LED"
    id: pyramide_led

BOM:

https://smarthomeyourself.de/hc_downloads/SensorPyramide_BOM.csv

Video:

https://www.youtube.com/watch?v=zzTwfALeTJU