Add lots of touch sensors to your next microcontroller project with this easy-to-use capacitive touch sensor board. This chip can handle up individual touch pads. Using this chip is easier than doing the capacitive sensing with analog inputs, it handles all the filtering for you and can be configured for more/less sensitivity. Features - Color: Blue. - Material: Power module. - Size: 2.00 x 1.50 x 1.00cm/ 0.79 x 0.59 x 0.39 inch. - Supply voltage: 2.5-5.5V. - This module is based on detection IC of capacitive type module. - Stable touching detection of human body for replacing traditional . - A very useful addition for projects or applications where a conventional mechanical button or is not an choice. - The module can be installed in plastic, glass surface non-metallic materials. - As long as the touch of the correct position, you in the wall, desk and other places. Package list: 5 button modules