ITEM NAME:RobotDyn Mod Cap Press Contact 16K Ttp229I2C 16 Keys Capacitive Press Conta V9C6 RobotDyn Mod Cap Press Contact 16K Ttp229I2C 16 Keys Capacitive Press Conta V9C6 Brand Name: RobotDyn Type: Logic ICs Application: DIY Inputs: 16 Output: I2C interface Operating voltage: 2.4V~5.5V TP229 Capacitive Press Contact 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 Press Contact KeyPad or disk KeyPad. colour:black Material:Plastic + metal size:5*10*1CM Package Contents: 1*TTP229 Module