{{:projekte:2021:stealthwooddisplayforsmarthomeprototypev1:headerimage.jpg?direct&400|Frontansicht}}
====== Stealth Wood Display for Smarthome Prototype 1 ======

Contact: [[User:nikolai|nikolai]]

Projectstatus: [[projekte:projektstatus|{{:projekte:done.png?50|}}]]

===== Hardware =====
  * 1 NodeMCU V2 or any other ESP with enough GPIO
  * 1 MAX7219 Dot Matrix Module 4 in 1
  * 2 BH1750 on Breakoutboard like GY-302
  * 1 5V Powersupply

===== Code =====

The Code is based on ESPHome to enable easy Home Assistant integration ans OTA Updates.
The Font can be found [[https://www.dafont.com/openmine.font|here]]

<code yml>
esphome:
  name: ledmatrixdisplay
  platform: ESP8266
  board: nodemcuv2

wifi:
  networks:
    - ssid: "vspace.one"
      password: "12345678"
    - ssid: "BLANK"
      password: "BLANK"

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Ledmatrixdisplay"
    password: "BLANK"

captive_portal:

# Enable logging
logger:

# Enable Home Assistant API
api:

ota:

# Example configuration entry
spi:
  clk_pin: D0
  mosi_pin: D1

display:
  - platform: max7219digit
    cs_pin: D2
    num_chips: 4
    intensity: 7
    scroll_speed: 100ms
    scroll_delay: 0s
    lambda: |-
      if (id(light_behind_wood).state > 4.9) 
      {
        it.intensity(15);
      } 
      else if (id(light_behind_wood).state > 0.7) 
      {
        it.intensity(10);
      }
      else
      {
        it.intensity(5);
      }
      it.printf(0, -3, id(OpenMine_17_font), " O %.1f L %.1f B %.1f", id(temperature_outside).state,id(temperature_livingroom).state,id(temperature_bedroom).state);

font:
  - file: "OpenMine.ttf"
    id: OpenMine_17_font
    size: 17

sensor:
  # Outside temperature
  - platform: homeassistant
    id: temperature_outside
    entity_id: sensor.temperature_10
  # Livingroom temperature
  - platform: homeassistant
    id: temperature_livingroom
    entity_id: sensor.atmos_livingroom
  # Bedroom temperature
  - platform: homeassistant
    id: temperature_bedroom
    entity_id: sensor.atmos_bedroom
  # Lightsensor Behind Wood
  - platform: bh1750
    id: light_behind_wood
    name: "Light Behind Wood"
    address: 0x5C
    measurement_time: 69
    update_interval: 60s
    # Lightsensor Room
  - platform: bh1750
    id: light_room
    name: "Light Room"
    address: 0x23
    measurement_time: 69
    update_interval: 60s

i2c:
  sda: D3
  scl: D4
  scan: True
  id: bus_a
</code>

===== Pictures =====

{{:projekte:2021:stealthwooddisplayforsmarthomeprototypev1:electronics.jpg?direct&200|Electronics}}
{{:projekte:2021:stealthwooddisplayforsmarthomeprototypev1:eletronicsinwood1.jpg?direct&200|Electronics In Wood 1}}
{{:projekte:2021:stealthwooddisplayforsmarthomeprototypev1:eletronicsinwood2.jpg?direct&200|Electronics In Wood 2}}
{{:projekte:2021:stealthwooddisplayforsmarthomeprototypev1:onwalloff.jpg?direct&200|On Wall Off}}
{{:projekte:2021:stealthwooddisplayforsmarthomeprototypev1:onwallon.jpg?direct&200|On Wall On}}

===== Demo =====

{{ :projekte:2021:stealthwooddisplayforsmarthomeprototypev1:demovideo.mp4 |Demo Video}}