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* [[FG interface]]
Modules in FG interface are Object Class , as like a map, to build a new object. You have learned about HT16K33 and MCP23017 classes, they are Modules, special Modules named in FG Interface world '''Devices'''. I make this difference to split and make the difference between switch , displays .. etc and the hardware driver chip.<br />
All Modules Classes are loaded into the interface, ready to be used and can be requested with the getModule() Interface Method.