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 a lot 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