How do I download my VEX Cortex code?įirst, restart the VEX Micro Controller. Just learn both at the same time and use them for different things. Python is more general, high level and expressive. RobotMesh is also compatible with VEX IQ robots. Students can create programs using Python code or the graphical Blockly interface. RobotMesh is a free, online programming language which can be used to program your VEX EDR Cortex robots.