2 Input ==================== **2.1 Controllers** .. toctree:: :maxdepth: 1 2.1.1 Button.rst 2.1.2 Tilt Switch.rst 2.1.3 Potentiometer.rst **2.2 Sensors** .. toctree:: :maxdepth: 1 2.2.1 Photoresistor.rst 2.2.2 Thermistor.rst 2.2.3 DHT-11.rst