TTP223B Module Capacitive Touch Switch

A capacitive touch pad that responds to a finger through a plastic or glass panel up to a few millimetres thick, so a project can have a completely sealed front with no holes for water or dust. Solder pads on the back select momentary or toggle behaviour and active-high or active-low output. Draws very little current, which suits battery-powered devices. Works through plastic or glass, fully sealed panels possible; Selectable momentary or toggle latching mode; Very low current draw suits battery projects; No moving parts to wear out