TP229 Capacitive Touch Module have 16 capacitive inputs. The module has two working modes. Module use only 16 key mode. For connection to microcontrollers (Arduino, Raspberry, STM) use the I2C interface.
To capacitive inputs can connect special capacitive KeyPad, any metal objects, prints of electronic ink or pens, fruits.
In our catalog have 16 key touch KeyPad or disk KeyPad.