diff --git a/cordovarduino/cordovarduino-tests.ts b/cordovarduino/cordovarduino-tests.ts
new file mode 100644
index 000000000..a4fd60878
--- /dev/null
+++ b/cordovarduino/cordovarduino-tests.ts
@@ -0,0 +1,38 @@
+/// <reference path="cordovarduino.d.ts"/>
+
+serial.requestPermission(function success() {}, function error() {});
+serial.open({}, function success() {}, function error() {});
+serial.write('data_string', function success() {}, function error() {});
+serial.read(function success() {}, function error() {});
+serial.registerReadCallback(
+    function success(data:any) {
+        var view = new Uint8Array(data);
+        console.log(view);
+    },
+    function error() {
+        new Error("Failed to register read callback");
+    });
+serial.close(function success() {}, function error() {});
+
+var errorCallback = function (message:string) {
+    alert('Error: ' + message);
+};
+
+serial.requestPermission(
+    function (successMessage:string) {
+        serial.open(
+            {baudRate: 9600},
+            function (successMessage:string) {
+                serial.write(
+                    '1',
+                    function (successMessage:string) {
+                        alert(successMessage);
+                    },
+                    errorCallback
+                );
+            },
+            errorCallback
+        );
+    },
+    errorCallback
+);
diff --git a/cordovarduino/cordovarduino.d.ts b/cordovarduino/cordovarduino.d.ts
new file mode 100644
index 000000000..bcbee1d1c
--- /dev/null
+++ b/cordovarduino/cordovarduino.d.ts
@@ -0,0 +1,84 @@
+// Type definitions for Cordovarduino plugin.
+// Project: https://github.com/stereolux/cordovarduino
+// Definitions by: Hendrik Maus <hendrik@aidentailor.net>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+declare module Cordovardunio {
+    interface Serial {
+        /**
+         * Request permission to interact with the serial port.
+         *
+         * @param successCallback Function to call on success
+         * @param errorCallback   Function to call on error
+         */
+        requestPermission(successCallback:Function, errorCallback:Function): void;
+
+        /**
+         * Open a connection.
+         *
+         * @param opts            SerialOptions object
+         * @param successCallback Function to call on success
+         * @param errorCallback   Function to call on error
+         */
+        open(opts:SerialOptions, successCallback:Function, errorCallback:Function): void
+
+        /**
+         * Write to the serial port.
+         *
+         * @param data            String data to write to serial port
+         * @param successCallback Function to call on success
+         * @param errorCallback   Function to call on error
+         */
+        write(data:string, successCallback:Function, errorCallback:Function): void;
+
+        /**
+         * Read from the serial port.
+         *
+         * @param successCallback Function to call on success
+         * @param errorCallback   Function to call on error
+         */
+        read(successCallback:Function, errorCallback:Function): void;
+
+        /**
+         * Close connection.
+         *
+         * @param successCallback Function to call on success
+         * @param errorCallback   Function to call on error
+         */
+        close(successCallback:Function, errorCallback:Function): void;
+
+        /**
+         * Register a callback for the driver reading incoming data from the serial device
+         *
+         * @param successCallback Function to call on success
+         * @param errorCallback   Function to call on error
+         */
+        registerReadCallback(successCallback:Function, errorCallback:Function): void;
+    }
+
+    interface SerialOptions {
+        /**
+         * @defaultValue 9600
+         */
+        baudRate?: number;
+
+        /**
+         * @defaultValue 8
+         */
+        dataBits?: number;
+
+        /**
+         * @defaultValue 1
+         */
+        stopBits?: number;
+
+        /**
+         * @defaultValue 0
+         */
+        parity?: number;
+    }
+}
+
+
+// Plugin will be surfaced as window.serial
+declare var serial:Cordovardunio.Serial;