Capacitive sensing libraries for the Arduino and just about every other ... and the radial touch sensor will emulate the ‘wheel’ interface on an iPod. Very cool stuff, and we can’t wait ...

Capacitive sensors, on the other hand, can be isolated from the water itself, and thus sense the levels without being subject to such degradation. [Magnus] pairs the off-the-shelf capacitive ...

namely a capacitive moisture sensor. Again, you’ll need to interface the sensor with your ESP32 board before connecting the ...