To download an Extron control module, go to the Extron web site. ExtronĮxtron have developed a module to control StarLeaf room systems. To download the module contact StarLeaf support. StarLeaf has a developed a module that implements most of the Touch 2035/2036 functionality onto a Crestron control panel. There are modules available for common room control devices. GT Mini and GT 3351 provide APIs to allow external devices to issue commands such as make calls, manage participants or change the video layout.