You’ve already received some great suggestions. Another one is Netdata. Personally, I use glances to collect the data and Home Assistant to display the dashboard. But I only do this because I already had Home Assistant running.
I just started using it but I made a mistake on one of my submissions. Is there any way to undo or edit a submission made in the app?
Edit: There is an undo button on the bottom left in the app.
The pine64 Pinecil is a great starter soldering iron.