As written in the previous post, there was a need to properly tune the 3rd overtone components. While we could simply solder and desolder the two components directly on the first version of the TESLA SS01 Capacitive Soil Sensor, it quickly became tedious. We have decided to obtain two items: an inductance decade box and a capacitance decade box. Browsing for them we have discovered they are mostly offering them with larger values, or they are very expensive. At the…
