A complicated function ties pressure to the features of the FCM current curve. To create the pseudo-sensor, a whole lot of data was collected from the Freestyle hardware.

Figure 1 Current sensors are used to regulate and manage power for a diverse range of applications. Source: Aceinna When it comes to consumer and medical wearables, advanced personal electronics, and ...

The sensor shown here is essentially two plates mounted side-by-side, attached to an Arduino Nano using the Capacitor library which uses just two pins, one digital and one analog.