{"ok":true,"device":"esp32-cam-vodomer","total":0,"returned":0,"readings":[],"analysis":{"hint":"Use this data to plot power consumption over time, detect anomalies, or correlate with switch events.","exercises":["Calculate average power consumption","Find peak power usage and when it occurred","Detect patterns in on/off cycles","Correlate temperature changes with power usage","Build a simple prediction model for energy consumption"]}}