diff --git a/src/Plant/Microwave/Microwave.css b/src/Plant/Microwave/Microwave.css
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--- /dev/null
+++ b/src/Plant/Microwave/Microwave.css
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+rect.microwaveButtonHelper {
+  fill-opacity: 0;
+}
+
+rect.microwaveButtonHelper:hover {
+  fill: rgba(46, 211, 197);
+  fill-opacity: 0.5;
+}
+
+rect.microwaveButtonHelper:active {
+  /* fill: rgba(47, 0, 255); */
+  fill: red;
+  fill-opacity: 0.5;
+}
diff --git a/src/Plant/Microwave/Microwave.tsx b/src/Plant/Microwave/Microwave.tsx
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+++ b/src/Plant/Microwave/Microwave.tsx
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+import { preload } from "react-dom";
+import imgSmallClosedOff from "./small_closed_off.png";
+import imgSmallClosedOn from "./small_closed_on.png";
+import imgSmallOpenedOff from "./small_opened_off.png";
+import imgSmallOpenedOn from "./small_opened_off.png";
+
+import fontDigital from "../DigitalWatch/digital-font.ttf";
+
+import sndBell from "./bell.wav";
+import sndRunning from "./running.wav";
+import { Plant } from "../Plant";
+import { RaisedEvent } from "@/statecharts/runtime_types";
+import { useEffect, useState } from "react";
+
+import "./Microwave.css";
+
+export type MagnetronState = "on" | "off";
+export type DoorState = "open" | "closed";
+
+export function toggleDoor(d: DoorState) {
+  if (d === "open") {
+    return "closed";
+  }
+  else return "open";
+}
+
+export function toggleMagnetron(m: MagnetronState) {
+  if (m === "on") {
+    return "off";
+  }
+  return "on";
+}
+
+export type MicrowaveState = {
+  // Note: the door state is not part of the MicrowaveState because it is not controlled by the statechart, but by the plant.
+  timeDisplay: number,
+  bell: boolean, // whether the bell should ring
+  magnetron: MagnetronState,
+}
+
+export type MicrowaveProps = {
+  state: MicrowaveState,
+  callbacks: {
+    startPressed: () => void;
+    stopPressed: () => void;
+    incTimePressed: () => void;
+    incTimeReleased: () => void;
+    doorOpened: () => void;
+    doorClosed: () => void;
+  }
+}
+
+const imgs = {
+  closed: { off: imgSmallClosedOff, on: imgSmallClosedOn },
+  open: { off: imgSmallOpenedOff, on: imgSmallOpenedOn },
+}
+
+
+const BUTTON_HEIGHT = 18;
+const BUTTON_WIDTH = 60;
+
+const BUTTON_X0 = 412;
+const BUTTON_X1 = BUTTON_X0 + BUTTON_WIDTH;
+
+const START_X0 = BUTTON_X0;
+const START_Y0 = 234;
+const START_X1 = BUTTON_X1;
+const START_Y1 = START_Y0 + BUTTON_HEIGHT;
+
+const STOP_X0 = BUTTON_X0;
+const STOP_Y0 = 211;
+const STOP_X1 = BUTTON_X1;
+const STOP_Y1 = STOP_Y0 + BUTTON_HEIGHT;
+
+const INCTIME_X0 = BUTTON_X0;
+const INCTIME_Y0 = 188;
+const INCTIME_X1 = BUTTON_X1;
+const INCTIME_Y1 = INCTIME_Y0 + BUTTON_HEIGHT;
+
+const DOOR_X0 = 26;
+const DOOR_Y0 = 68;
+const DOOR_WIDTH = 353;
+const DOOR_HEIGHT = 217;
+
+
+export function Magnetron({state: {timeDisplay, bell, magnetron}, callbacks}: MicrowaveProps) {
+  const [door, setDoor] = useState<DoorState>("closed");
+  const [playBell, setPlayBell] = useState(false);
+
+  // a bit hacky: when the bell-state changes to true, we play the bell sound for 610 ms...
+  useEffect(() => {
+    let timeout: NodeJS.Timeout;
+    if (bell) {
+      setPlayBell(true);
+      timeout = setTimeout(() => {
+        setPlayBell(false);
+      }, 610);
+    }
+    return () => { if (timeout) clearTimeout(timeout); };
+  }, [bell]);
+
+  preload(imgSmallClosedOff, {as: "image"});
+  preload(imgSmallClosedOn, {as: "image"});
+  preload(imgSmallOpenedOff, {as: "image"});
+  preload(imgSmallOpenedOn, {as: "image"});
+  preload(sndBell, {as: "audio"});
+  preload(sndRunning, {as: "audio"});
+
+  const openDoor = () => {
+    setDoor("open");
+    callbacks.doorOpened();
+  }
+  const closeDoor = () => {
+    setDoor("closed");
+    callbacks.doorClosed();
+  }
+
+  return <>
+    <style>{`
+      @font-face{
+        font-family: 'digital-font';
+        src: url(${fontDigital});
+      }
+    `}</style>
+    <svg width={520} height={348}>
+      <image xlinkHref={imgs[door][magnetron]} width={520} height={348}/>
+
+      <rect className="microwaveButtonHelper" x={START_X0} y={START_Y0} width={BUTTON_WIDTH} height={BUTTON_HEIGHT} 
+        onMouseDown={() => callbacks.startPressed()}
+      />
+      <rect className="microwaveButtonHelper" x={STOP_X0} y={STOP_Y0} width={BUTTON_WIDTH} height={BUTTON_HEIGHT} 
+        onMouseDown={() => callbacks.stopPressed()}
+      />
+      <rect className="microwaveButtonHelper" x={INCTIME_X0} y={INCTIME_Y0} width={BUTTON_WIDTH} height={BUTTON_HEIGHT} 
+        onMouseDown={() => callbacks.incTimePressed()}
+        onMouseUp={() => callbacks.incTimeReleased()}
+      />
+      <rect className="microwaveButtonHelper" x={DOOR_X0} y={DOOR_Y0} width={DOOR_WIDTH} height={DOOR_HEIGHT} 
+        onMouseDown={() => door === "open" ? closeDoor() : openDoor()}
+      />
+
+      <text x={472} y={106} textAnchor="end" fontFamily="digital-font" fontSize={24} fill="lightgreen">{timeDisplay}</text>
+    </svg>
+
+    {magnetron === "on" && <audio hidden autoPlay loop>
+      <source src={sndRunning} type="audio/wav"/>
+    </audio>}
+
+    {playBell && <audio hidden autoPlay>
+      <source src={sndBell} type="audio/wav"/>
+    </audio>}
+  </>;
+}
+
+export const MicrowavePlant: Plant<MicrowaveState> = {
+  inputEvents: [],
+  outputEvents: [],
+  initial: {
+    timeDisplay: 0,
+    magnetron: "off",
+    bell: false,
+  },
+  reduce: (inputEvent: RaisedEvent, state: MicrowaveState) => {
+    if (inputEvent.name === "setMagnetron") {
+      return { ...state, magnetron: inputEvent.param, bell: false };
+    }
+    if (inputEvent.name === "setTimeDisplay") {
+      return { ...state, timeDisplay: inputEvent.param, bell: false };
+    }
+    if (inputEvent.name === "ringBell") {
+      return { ...state, bell: true };
+    }
+    return state; // unknown event - ignore it
+  },
+  render: (state, raiseEvent) => <Magnetron state={state} callbacks={{
+    startPressed: () => raiseEvent({name: "startPressed"}),
+    stopPressed: () => raiseEvent({name: "stopPressed"}),
+    incTimePressed: () => raiseEvent({name: "incTimePressed"}),
+    incTimeReleased: () => raiseEvent({name: "incTimeReleased"}),
+    doorOpened: () => raiseEvent({name: "door", param: "open"}),
+    doorClosed: () => raiseEvent({name: "door", param: "closed"}),
+  }}/>,
+}
diff --git a/src/Plant/Microwave/bell.wav b/src/Plant/Microwave/bell.wav
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diff --git a/src/Plant/Microwave/running.wav b/src/Plant/Microwave/running.wav
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diff --git a/src/Plant/Microwave/small_closed_off.png b/src/Plant/Microwave/small_closed_off.png
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diff --git a/src/Plant/Microwave/small_closed_on.png b/src/Plant/Microwave/small_closed_on.png
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diff --git a/src/Plant/Microwave/small_opened_off.png b/src/Plant/Microwave/small_opened_off.png
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diff --git a/src/Plant/Microwave/small_opened_on.png b/src/Plant/Microwave/small_opened_on.png
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