Hi All,
After I purchased an Edge 830 and realized that the Tempe sensor is not supported (weird) I wrote a Tempe datafield and a widget for the Edge series.
Datafield: https://apps.garmin.com/en-US/apps/bedd1447-4816-40a9-83e1-0ed22c5bbcc3
Widget: https://apps.garmin.com/en-US/apps/22dc8040-24d9-4a31-b8a2-d50cb4892482
Please, let me know if you have any issue with them and enjoy,