Description This module is capacitive type jog mode touch switch module that is based on a touch detection IC TTP223B Allows you to remove the worry of conventional push type keys Specifications 1 Touch surface size 1 4 1 4cm2 Modes jog self locking3 Supply voltage 2 5 5 5V4 Penetration distance about 5mm non metallic 5 Compatible with all types of single chip6 This is suitable for all kinds of control system robot intelligent vehicle etc Package included 3 x Touch Sensor Capacitive Touch Switch Module