{ "device": "angie", "schema": 1, "parameters": { "oil-temp": { "names": ["Oil temperature", "Oil temp", "OT"], "tau-ms": 1000, "bands": { "low": 0, "stops": [[50, "yellow"], [110, "green"], [130, "yellow"], [150, "red"]] } } }, "widgets": [ { "id": "w2", "type": "arc", "param": "oil-temp" } ], "variants": { "4.3-portrait": { "w2": { "type": "value", "x": 12, "y": 110, "w": 112 } }, … } }