Current sampling on electric kiln provides a very accurate 'signature' curve for each firing, acquired/uploaded by NodeMCU ESP32. Visualisation pulled by a mobile app. (If "weird" signal, the monitor is use for the home instead of kiln)

Testing collection of temperature and humidity from the solar kiln (Unloaded Kiln)

Front pyrometer probe reading . Arduino Mega, Max31856, Atwinc1500.

This shows the temperature inside Kevins Kiln in Milton Pennsylvania.