Thanks for reporting and we are looking into it. One Pixie can only assign one sensor. If you want to add a standalone sensor again after adding it once, you need to switch the group to the plant sensor to add it again.
Wency
Netro Support
Thanks for reporting and we are looking into it. One Pixie can only assign one sensor. If you want to add a standalone sensor again after adding it once, you need to switch the group to the plant sensor to add it again.