1、Comes with a fully assembled circuit board and a 0.1 inch head support bar, so you can connect it to the breadboard. 2、Compared with the use of analog input for capacitive sensing, it is much easier using this capacitive touch module. 3、Supported by I2C and SPI sensiticity, the capacitive touch module allows for easy using with any microcontroller. 4、With 8 button, the capacitive touch module can handle up to 8 individual touchpads. 5、If you are using I2C, you can choose one of the 5 directions to use a total of 40 capacitive touchpads on the 2-wire I2C bus. Item Type: Capacitive Touch Module Sensor Type: Capacitive Touch Detection Range: 8 Buttons/Interface Sensitivity: I2C, SPI 1 x Capacitive Touch Module 2 x Pin Header