diff --git a/dist/pvv.sql b/dist/pvv.sql
index 3fc32f0..38cb495 100644
--- a/dist/pvv.sql
+++ b/dist/pvv.sql
@@ -38,15 +38,12 @@ CREATE TABLE "motd" (
 INSERT INTO motd (title, content)
 VALUES ("MOTD ./dev.sh", "du kan endre motd i admin panelet");
 
-CREATE TABLE "doors" (
-"name" TEXT PRIMARY KEY,
-"open" BOOLEAN,
-"description" TEXT
+CREATE TABLE "door" (
+"time" INTEGER PRIMARY KEY,
+"open" BOOLEAN
 );
-INSERT INTO doors(name, open, description) VALUES
-("koserommet", FALSE, "Døra inn til koserommet på stripa"),
-("terminalrommet", FALSE, "Døra inn til terminalrommet på stripa");
-
+INSERT INTO door (time, open)
+VALUES (0, FALSE);
 
 
 INSERT INTO users (uname, groups)
diff --git a/dist/pvv_mysql.sql b/dist/pvv_mysql.sql
index 797f4f0..1e327c3 100644
--- a/dist/pvv_mysql.sql
+++ b/dist/pvv_mysql.sql
@@ -40,11 +40,8 @@ INSERT INTO motd (title, content)
 VALUES ("MOTD ./dev.sh", "du kan endre motd i admin panelet");
 */
 
-CREATE TABLE doors (
-`name` VARCHAR(20) PRIMARY KEY,
-`open` BOOLEAN,
-`description` TEXT
+CREATE TABLE door (
+`time` INTEGER PRIMARY KEY,
+`open` BOOLEAN
 );
-INSERT INTO doors(name, open, description) VALUES
-("koserommet", FALSE, "Døra inn til koserommet på stripa"),
-("terminalrommet", FALSE, "Døra inn til terminalrommet på stripa");
+INSERT INTO door(time, open) VALUES (0, FALSE);
\ No newline at end of file
diff --git a/dist/sql_config_example.php b/dist/sql_config_example.php
index 99c13c9..af802f3 100644
--- a/dist/sql_config_example.php
+++ b/dist/sql_config_example.php
@@ -3,3 +3,4 @@ $dbDsn = 'sqlite:'.__DIR__.DIRECTORY_SEPARATOR.'pvv.sqlite';
 $dbUser = null;
 $dbPass = null;
 
+$doorSensorSecret = "OGJiZTdjZDctMmFkNy00ZjZjLTk3OGItOTA3NzU3ZDM2Yjlm";
\ No newline at end of file
diff --git a/src/pvv/side/door.php b/src/pvv/side/door.php
new file mode 100644
index 0000000..2a868ee
--- /dev/null
+++ b/src/pvv/side/door.php
@@ -0,0 +1,74 @@
+<?php
+namespace pvv\side;
+
+use \PDO;
+
+class Door{
+	private $pdo;
+
+	public function __construct(PDO $pdo){
+		$this->pdo = $pdo;
+	}
+
+	public function getAll() {
+		$query = 'SELECT time, open FROM door ORDER BY time DESC';
+		$statement = $this->pdo->prepare($query);
+		$statement->execute();
+
+		$doorEvents = [];
+		foreach($statement->fetchAll() as $row){
+			$doorEvents[] = [
+				'time'        => (int)$row['time'],
+				'open'        => (bool)$row['open']
+			];
+		}
+
+		return $doorEvents;
+	}
+
+	public function getEntriesAfter($startTime) {
+		$query = 'SELECT time, open FROM door WHERE time > :startTime ORDER BY time DESC';
+		$statement = $this->pdo->prepare($query);
+		$statement->bindParam(':startTime', $startTime, PDO::PARAM_STR);
+		$statement->execute();
+
+		$doorEvents = [];
+		foreach($statement->fetchAll() as $row){
+			$doorEvents[] = [
+				'time'        => (int)$row['time'],
+				'open'        => (bool)$row['open']
+			];
+		}
+
+		return $doorEvents;
+	}
+
+	public function getCurrent() {
+		$query = 'SELECT time, open FROM door ORDER BY time DESC LIMIT 1';
+		$statement = $this->pdo->prepare($query);
+		$statement->execute();
+		$row = $statement->fetch();
+		return [
+			'time'        => (int)$row['time'],
+			'open'        => (bool)$row['open']
+		];
+	}
+
+	private function removeOld() {
+		$firstValidTime = time() - 60*60*24*7; //One week before now
+		$query = 'DELETE FROM door WHERE time < :firstValid';
+		$statement = $this->pdo->prepare($query);
+		$statement->bindParam(':firstValid', $firstValidTime, PDO::PARAM_STR);
+		$statement->execute();
+	}
+
+	public function createEvent($time, $open) {
+		$query = 'INSERT INTO door(time, open) VALUES (:time, :open)';
+		$statement = $this->pdo->prepare($query);
+		$statement->bindParam(':time', $time, PDO::PARAM_STR);
+		$statement->bindParam(':open', $open, PDO::PARAM_STR);
+		$statement->execute();
+
+		$this->removeOld();
+	}
+}
diff --git a/src/pvv/side/doors.php b/src/pvv/side/doors.php
deleted file mode 100644
index ab511ce..0000000
--- a/src/pvv/side/doors.php
+++ /dev/null
@@ -1,79 +0,0 @@
-<?php
-namespace pvv\side;
-
-use \PDO;
-
-class Doors{
-	private $pdo;
-
-	public function __construct(PDO $pdo){
-		$this->pdo = $pdo;
-	}
-
-	public function getAll() {
-		$query = 'SELECT name, open, description FROM doors ORDER BY open DESC, name ASC';
-		$statement = $this->pdo->prepare($query);
-		$statement->execute();
-
-		$doors = [];
-		foreach($statement->fetchAll() as $row){
-			$doors[] = [
-				'name'        => $row['name'],
-				'open'        => (int)$row['open'],
-				'description' => $row['description'],
-			];
-		}
-
-		return $doors;
-	}
-
-	public function getByName($name){
-		$query = 'SELECT name, open, description FROM doors WHERE name=:name';
-		$statement = $this->pdo->prepare($query);
-		$statement->bindParam(':name', $name, PDO::PARAM_STR);
-		$statement->execute();
-
-		$row = $statement->fetch();
-		if (!$row) {
-			return false;
-		}
-		
-		return [
-			'name'        => $row['name'],
-			'open'        => (int)$row['open'],
-			'description' => $row['description'],
-		];
-	}
-	
-	public function setDoorState($name, $open) {
-		$query = 'UPDATE doors SET open=:open WHERE name=:name';
-		$statement = $this->pdo->prepare($query);
-		$statement->bindParam(':name', $name, PDO::PARAM_STR);
-		$statement->bindParam(':open', $open, PDO::PARAM_INT);
-		$statement->execute();
-	}
-	
-	
-	public function createDoor($name, $description) {
-		$query = 'INSERT INTO doors(name, open, description) VALUES (:name, TRUE, :desc)';
-		$statement = $this->pdo->prepare($query);
-		$statement->bindParam(':name', $name, PDO::PARAM_STR);
-		$statement->bindParam(':desc', $description, PDO::PARAM_STR);
-		$statement->execute();
-	}
-	
-	public function updateDoorDescription($name, $description) {
-		$query = 'UPDATE doors SET descriptin=:desc WHERE name=:name';
-		$statement = $this->pdo->prepare($query);
-		$statement->bindParam(':name', $name, PDO::PARAM_STR);
-		$statement->bindParam(':desc', $description, PDO::PARAM_STR);
-		$statement->execute();
-	}
-	
-	public function deleteDoor($name) {
-		$query = 'DELETE FROM doors WHERE name = :name;';
-		$statement = $this->pdo->prepare($query);
-		$statement->bindParam(':name', $name, PDO::PARAM_STR);
-		$statement->execute();
-	}
-}
diff --git a/www/css/style.css b/www/css/style.css
index c1d0f00..33f2541 100644
--- a/www/css/style.css
+++ b/www/css/style.css
@@ -153,6 +153,16 @@ nav #usermenu li:first-child:hover {
 	background: transparent;
 }
 
+#doorIndicator {
+    border-radius: 5px;
+    padding: 8px 8px;
+    margin: 4px 4px;
+}
+#doorIndicator > p > abbr[title] { text-decoration: none; border-bottom: none; cursor: inherit; }
+.doorIndicator_OPEN { border: 2px solid green; }
+.doorIndicator_CLOSED { border: 2px dotted red; }
+.doorStateMobileOnly { display: none; }
+
 @media(max-width: 800px){
 	nav #menu, nav #menu li.active, nav #menu_toggle, nav #login {
 		position: absolute;
@@ -226,6 +236,9 @@ nav #usermenu li:first-child:hover {
 		margin-left: 1em !important;
 		margin-right: 1em !important;
 	}
+	.doorStateMobileOnly {
+		display: inline;
+	}
 }
 
 body {
@@ -346,3 +359,4 @@ article p {
 textarea.boxinput {
 	resize: vertical;
 }
+
diff --git a/www/door/index.php b/www/door/index.php
index 4dfb883..76c81b9 100644
--- a/www/door/index.php
+++ b/www/door/index.php
@@ -1,49 +1,73 @@
 <?php
+
 require_once dirname(dirname(__DIR__)) . implode(DIRECTORY_SEPARATOR, ['', 'inc', 'include.php']);
-$doors = new \pvv\side\Doors($pdo);
 
-$out = null;
 header('Content-Type: application/json');
-if ($_SERVER['REQUEST_METHOD'] === 'GET') {
-    if (isset($_GET["name"])) {
-        $out = $doors->getByName($_GET["name"]);
-        if (!$out) {
-            echo '{"error": true, "reason": "not found"}';
-            http_response_code(404);
-            exit();
+$door = new \pvv\side\Door($pdo);
+
+if($_SERVER['REQUEST_METHOD'] === 'POST') {
+    if (isset($_SERVER["HTTP_AUTHORIZATION"])) {
+        list($type, $data) = explode(" ", $_SERVER["HTTP_AUTHORIZATION"], 2);
+        if (strcasecmp($type, "Bearer") == 0) {
+            if (hash_equals($data, $doorSensorSecret)) {
+                handleSetState();
+            } else {
+                echo '{"status": "error", "message": "Invalid authentication key"}';
+                die();
+            }
+        } else {
+            echo '{"status": "error", "message": "Invalid authentication method"}';
+            die();
         }
+    } else {
+        echo '{"status": "error", "message": "Missing authentication"}';
+        die();
     }
-    else {
-        $out = $doors->getAll();
-    }
-}
-elseif ($_SERVER['REQUEST_METHOD'] === 'POST') {
-    if (isset($_POST["name"]) and isset($_POST["open"]) ) {
-        $out = $doors->setDoorState($_POST["name"], (strtolower($_POST["open"])==="true")?1:0);
-        
-        $out = $doors->getByName($_POST["name"]);
-        if (!$out) {
-            echo '{"error": true, "reason": "not found"}';
-            http_response_code(404);
-            exit();
+} elseif ($_SERVER['REQUEST_METHOD'] === 'GET') {
+
+    if (isset($_GET["period"])) {
+        $period = (string)htmlspecialchars($_GET["period"]);
+        if ($period == "day") {
+            $startTime = time() - (60*60*24);
+        } else if ($period == "week") {
+            $startTime = time() - (60*60*24*7);
+        } else {
+            echo '{"status": "error", "message": "Invalid period"}';
+            die();
         }
-    }
-    else {
-        echo '{"error": true, "reason": "missing either \"name\" or \"open\" argument"}';
-        http_response_code(404);
-        exit();
+
+        $lines = $door->getEntriesAfter($startTime);
+        echo json_encode([
+            'status'        => "OK",
+            'entries'       => $lines
+        ]);
+    } else {
+        //Only last entry
+        $line = (object)$door->getCurrent();
+        echo json_encode([
+            'status'        => "OK",
+            'time'          => $line->time,
+            'open'          => $line->open
+        ]);
     }
 }
 
-function utf8ize($d) {
-    if (is_array($d)) {
-        foreach ($d as $k => $v) {
-            $d[$k] = utf8ize($v);
-        }
-    } else if (is_string ($d)) {
-        return utf8_encode($d);
-    }
-    return $d;
-}
 
-echo json_encode(utf8ize($out));
+function handleSetState() {
+    global $door;
+
+    $jsonobj = file_get_contents('php://input');
+    $event = json_decode($jsonobj);
+
+    if ((!isset($event->time)) || (!is_numeric($event->time))) {
+        echo '{"status": "error", "message": "Invalid timestamp"}';
+        die();
+    }
+    if ((!isset($event->isDoorOpen)) || (!is_bool($event->isDoorOpen))) {
+        echo '{"status": "error", "message": "Invalid door state"}';
+        die();
+    }
+
+    $door->createEvent((int)($event->time), (bool)($event->isDoorOpen));
+    echo '{"status": "OK"}';
+} 
\ No newline at end of file
diff --git a/www/index.php b/www/index.php
index a73c7a8..4822a2b 100644
--- a/www/index.php
+++ b/www/index.php
@@ -7,6 +7,12 @@ $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
 
 $motdfetcher = new \pvv\side\MOTD($pdo);
 $motd = $motdfetcher->getMOTD();
+
+$door = new \pvv\side\Door($pdo);
+$doorEntry = (object)($door->getCurrent());
+$isDoorOpen = $doorEntry->open;
+if (date("Y-m-d") == date("Y-m-d", $doorEntry->time)) { $doorTime = date("H:i", $doorEntry->time);
+} else { $doorTime = date("H:i d/m", $doorEntry->time);}
 ?>
 <!DOCTYPE html>
 <html lang="no">
@@ -63,6 +69,10 @@ $motd = $motdfetcher->getMOTD();
 				<a class="btn" href="om/"><li>Om PVV</li></a>
 				<a class="btn focus" href="paamelding/"><li>Bli medlem!</li></a>
 				<a class="btn" href="https://use.mazemap.com/#config=ntnu&v=1&zlevel=2&center=10.406281,63.417093&zoom=19.5&campuses=ntnu&campusid=1&sharepoitype=poi&sharepoi=38159&utm_medium=longurl">Veibeskrivelse</li></a>
+				<div id="doorIndicator" class="<?php echo($isDoorOpen ? "doorIndicator_OPEN" : "doorIndicator_CLOSED"); ?>">
+					<p class="doorStateText"><abbr title="Oppdatert <?php echo($doorTime) ?>">Døren er <b><?php echo($isDoorOpen ? "" : "ikke") ?> åpen</b>.</abbr></p>
+					<p class="doorStateTime doorStateMobileOnly">(Oppdatert <?php echo($doorTime) ?>)</p>
+				</div>
 			</ul>
 		</div>
 	</header>