In this simple demo, we used B4R IDE to build an LED Blink with ARduino. B4R stands for Basic 4 Arduino and it uses B4X language. B4X is a modern form of Visual Basic to developing applications for Android, iOS, Java, rPi and Arduino.
![](https://leafecodes.com/wp-content/uploads/2020/01/B4X-Launcher-725x400.png)
In this simple demo, we used B4R IDE to build an LED Blink with ARduino. B4R stands for Basic 4 Arduino and it uses B4X language. B4X is a modern form of Visual Basic to developing applications for Android, iOS, Java, rPi and Arduino.