- add mod_ControllerBlock.class and the controllerBlock folder to minecraft.jar

- add ControllerBlock.properties to your /.minecraft/ folder*.


The image is here in case you would like to change the recipe in ControllerBlock.properties

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*how to find your .minecraft folder : http://www.minecraftforum.net/viewtopic.php?f=1036&t=235994

scroll to 'Find Your .minecraft Folder'