The Trill I2C library targets Arduino and Bela ... consists of a number of zig-zag shaped traces, each connected to a single capacitive sensor input. When you touch the bar, the firmware measures ...

The pipe is connected to a ball gag with holes ... It uses a series of capacitive sensors wired up to an Arduino and a wireless transmitter that can activate other devices in the collection ...

Once you’ve connected ... a capacitive moisture sensor. Again, you’ll need to interface the sensor with your ESP32 board ...

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 ...