Arduino is a popular brand of open-source microcontrollers ... including C/C++, HTML/CSS, Java, Javascript, jQuery, Perl, and Python, directly on the Debian-based Raspberry Pi OS loaded on the ...

The user draws in an HTML5 Canvas object which is read by a Java Web Server. From there it gets converted to serial commands for an Arduino which controls the steppers with two EasyDrivers.

Hardware and software combined, Arduino does many things right ... Many have cried out wildly against the Java-based text-editor for its cryptic compiling-and-linking process, its inability ...