@@ -18,8 +18,8 @@ Create an HTML file called `index.html`. Add the following code:
1818 var socket = io ();
1919
2020 socket .on (' data' function (data ) {
21- console .log (data);
22- document .getElementById (' sample' style .opacity = data/ 100 + " %"
21+ console .log (data);
22+ document .getElementById (' sample' style .opacity = data+ " %"
2323 });
2424
2525 < / script>
@@ -163,9 +163,9 @@ You will need to setup the following circuit using your Arduino:
163163
164164## Launch Application
165165
166- 1 . Using the Terminal start your Node.js app using ` node app.js ` .
167- 2 . Open up a browser and enter the URL ` http://localhost:3000/ ` .
168- 3 . Using [ Arduino Create ] ( https://create.arduino.cc/editor ) upload the sketch to your Arduino .
166+ 1 . Using [ Arduino Create ] ( https://create.arduino.cc/editor ) upload the sketch to your Arduino .
167+ 2 . Using the Terminal start your Node.js app using ` node app.js ` .
168+ 3 . Open up a browser and enter the URL ` http://localhost:3000/ ` .
1691694 . Turn the dial on the Arduino device and watch the red square in the browser.t.
170170
171171## Tutorial Requirements:
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