combo_data = ({series : [
{name : "BME680 TE", values:bme_te.map(item => item.value)},
{name : "SCD30 TE", values:scd_te.map(item => item.value)},
{name : "BME680 RH", values:bme_rh.map(item => item.value)},
{name : "SCD30 RH", values:scd_rh.map(item => item.value)},
],
dates: bme_te.map(item => item.name*1000 )})