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diff --git a/makefu/2configs/home/ham/automation/lichter_dimmen.nix b/makefu/2configs/home/ham/automation/lichter_dimmen.nix
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+# This module maps the RF433 Remote Control to zigbee and wifi lights
+let
+  rf_turn_off = code: light:
+  {
+    alias = "Turn off ${light} via rf code ${code}";
+    trigger = {
+      platform = "event";
+      event_type = "esphome.rf_code_received";
+      event_data.code = code;
+    };
+    action = {
+      service = "light.turn_off";
+      data.entity_id = light;
+    };
+  };
+  rf_turn_on = code: light:
+  {
+    alias = "Turn on ${light} via rf code ${code}";
+    trigger = {
+      platform = "event";
+      event_type = "esphome.rf_code_received";
+      event_data.code = code;
+    };
+    action = {
+      service = "light.turn_on";
+      data.entity_id = light;
+    };
+  };
+  rf_state = code: light: halfbright:
+  let
+    maxbright = 255;
+    transition = 0.2; # seconds
+  in
+  # this function implements a simple state machine based on the state and brightness of the light (light must support brightness
+  {
+    alias = "Cycle through states of ${light} via rf code ${code}";
+    trigger = {
+      platform = "event";
+      event_type = "esphome.rf_code_received";
+      event_data.code = code;
+    };
+    action = {
+      choose = [
+        {
+          # state 0: off to half
+          conditions = {
+            condition = "template";
+            value_template = ''{{ states("${light}")  == "off" }}'';
+          };
+          sequence = [
+            {
+              service = "light.turn_on";
+              data = {
+                entity_id = light;
+                brightness = halfbright;
+              };
+            }
+          ];
+        }
+        {
+          # state 1: half to full
+          conditions = {
+            condition = "template";
+            value_template = ''{{ states('${light}')  == 'on' and ( ${toString (halfbright - 1)} <= state_attr("${light}","brightness") <= ${toString (halfbright + 1)})}}'';
+          };
+          sequence = [
+            {
+              service = "light.turn_on";
+              data = {
+                entity_id = light;
+                brightness = maxbright;
+              };
+            }
+          ];
+        }
+        {
+          # state 2: full to off
+          conditions =  {
+            condition = "template";
+            # TODO: it seems like the devices respond with brightness-1 , maybe off-by-one somewhere?
+            value_template = ''{{ states("${light}")  == "on" and state_attr("${light}","brightness") >= ${toString (maxbright - 1)}}}'';
+          };
+          sequence = [
+            {
+              service = "light.turn_off";
+              data = {
+                entity_id = light;
+              };
+            }
+          ];
+        }
+      ];
+      # default: on to off
+      # this works because state 0 checks for "state == off"
+      default = [{
+        service = "light.turn_off";
+        data = {
+          entity_id = light;
+        };
+      }];
+    };
+  }
+;
+  rf_toggle = code: light:
+  {
+    alias = "Toggle ${light} via rf code ${code}";
+    trigger = {
+      platform = "event";
+      event_type = "esphome.rf_code_received";
+      event_data.code = code;
+    };
+    action = {
+      service = "light.toggle";
+      data.entity_id = light;
+    };
+  };
+in
+{
+  services.home-assistant.config.automation = [
+      (rf_toggle "400551" "light.wohnzimmer_fernseher_led_strip")        # A
+      (rf_state "401151" "light.wohnzimmer_stehlampe_osram" 128)            # B
+      (rf_state "401451" "light.wohnzimmer_komode_osram" 128)               # C
+      (rf_state "401511" "light.wohnzimmer_schrank_osram" 128)              # D
+
+                                                                        # OFF Lane
+      (rf_turn_off "400554" "all")                                       # A
+      (rf_toggle "401154" "light.wohnzimmer_fenster_lichterkette_licht") # B
+      (rf_toggle "401454" "light.wohnzimmer_fernsehwand_led")            # C
+      # (rf_toggle "401514" "")   # D
+  ];
+    # "400554" # A OFF
+    # "401154" # B OFF
+    # "401454" # C OFF
+    # "401514" # D OFF
+}