Download Processing. Have more questions? Join the conversations on the Forum to share and learn. Visit Forum. This step is optional. You can also make a simple structure with cardboard to mount the ultrasonic sensor with a Servo motor. The below image shows the connection of the Arduino radar project. The connections are very simple. Here, we have interfaced the ultrasonic sensor and servo motor with an Arduino Uno.
The connection details are,. Nextpcb are also sponsor of this project. To get the PCB manufactured simply login Nextpcb.
We need two software to complete this Arduino radar project. Download both Software from the below links,. Processing application is visual arts-based software for learning to code. After downloading, extract the Zip file, and you will get the processing application. After uploading the code, the servo motors start running from 0 to degrees and again back to 0 degrees.
An ultrasonic sensor also rotates along with the servo as it is mounted on the motor. Now, open the processing application and paste the above code. In this code, update the COM port number where your Arduino board is connected. Now, run this processing code. Download a preview of the incoming release with the most updated features and bugfixes. The new major release of the Arduino IDE is faster and even more powerful!
In addition to a more modern editor and a more responsive interface it features autocompletion, code navigation, and even a live debugger. Help us test it and report your feedback in the forum! You can also find more information about the release here. Some of the features are:. To download Processing go here: Processing Download page. When you click on download Processing, it downloads one zip file. Unzip that file and inside the unzipped folder you will find Processing application see the following image.
And to run Processing, double click on that icon. There are many libraries for different applications. You can also install some extra libraries manually or directly from the menu. But at the moment we are interested only in GUI design. And there is a very nice library called ControlP5 is available to create our project. To add ControlP5 library to Processing just follow the add library process and search for ControlP5 and then click on install. Now you are ready to create your GUI application.
When a button on the video game controller is pressed, the Arduino sends some specific String through serial port. For example, if the 'up' button is pressed, the Arduino will send Serial.
The processing program reads this string and simulates the pressing of a up arrow key using the java Robot library. The controller is very easy to make. Repeat the connecting of the switches for all the buttons that you need.
And remember to place the switches in such a way that it is convenient to play. Here is the Arduino code. The Processing code required is found in next section. It needs to be modified to suit to your application.
How to modify the program is given in detail in the second last step, though it is actually very easy and may not really need the explanation. Note: You would notice that I am sending "Up : " instead of just "Up". This is because I had some trouble reading the string ending character in my Processing code and just chose this easy way to simply read until I get a " : ". Now, we will talk about the "Processing" part. Processing is used to actually simulate the pressing of a key. Processing is just java but doesn't need to be manually compiled; and running it is also easier.
The code uses the Robot class which allows programmatic control of the keyboard. The below "Processing" code basically reads the string which is sent by Arduino over serial port. Remember that we simply want to read the data till " : " since we are sending the string followed by a colon from Arduino.
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