    }

            var trace2 = {
                type: "scatter",
                name: "vcc",
                x: unpack(rows, "ts"),
                y: unpack(rows, "vcc"),
                yaxis: "y2",
                line: { color: "#FF9933" }
            }

            var data = [trace1, trace2];

            var layout = {
                title: "ESPMeter",
                xaxis: {
                    autorange: true,
                    rangeselector: {
                        buttons: [
            