working eink display

local_code/ESPHome/configuration.yaml

@@ -0,0 +1,71 @@
+external_components:
+  - source: my_components
+    components: [waveshare_epaper]
+
+esphome:
+  name: doorwhat
+  friendly_name: doorwhat
+
+esp32:
+  board: esp32dev
+  framework:
+    type: esp-idf
+
+# Enable logging
+logger:
+
+# Enable Home Assistant API
+api:
+  encryption:
+    key: "gLfRXKqMU9IvvwZnIdrWYIclAnc4q5sHVwTkRzUxKyw="
+
+ota:
+  - platform: esphome
+    password: "1618b7dc423684c5d3661481ce284359"
+
+wifi:
+  ssid: !secret wifi_ssid
+  password: !secret wifi_password
+
+  # Enable fallback hotspot (captive portal) in case wifi connection fails
+  ap:
+    ssid: "Doorwhat Fallback Hotspot"
+    password: "KBiNyP7EkHCJ"
+
+captive_portal:
+
+sensor:
+  - platform: homeassistant
+    entity_id: sensor.shellyhtg3_8cbfeaa53d88_humidity
+    id: bad_feuchtigkeit
+    
+spi:
+  clk_pin: 2
+  mosi_pin: 15
+
+
+color:
+  - id: red
+    hex: "FF0000"
+  - id: black
+    hex: "FFFFFF"
+
+display:
+  - platform: waveshare_epaper
+    model: 2.90in3c
+    cs_pin: 4
+    dc_pin: 16
+    reset_pin: 17
+    busy_pin: 5
+    rotation: 270
+    reset_duration: 2ms
+    update_interval: 30s
+    lambda: !lambda |-
+      it.print(0, 4, id(my_font), id(black), "DoorWhat v0.1");
+      it.print(0, 40, id(my_font), id(red), "Mehr kommt demnaechst");
+      it.printf(0, 80, id(my_font), id(red), "Feuchtigkeit Bad %.1f", id(bad_feuchtigkeit).state);
+
+font: 
+  - file: "gfonts://Roboto"
+    id: my_font
+    size: 20