DollaTek 5PCS TTP223 Touch Key Module Capacitive Settable Self lock/No lock Switch Board

DollaTek 5PCS TTP223 Touch Key Module Capacitive Settable Self-lock/No-lock Switch Board is a touch detection IC module that allows for stable touching detection of human bodies, making it a great replacement for traditional direct switch keys. This module can be easily installed on plastic, glass, or other non-metallic surfaces, allowing for a hidden placement in walls, desks, and other locations. It features multiple trigger modes, providing flexibility in its usage. With a compact size of 15mm x 11mm (.59"x 0.43"), this module is small and unobtrusive in any setting. Operating at a power range of 2.5-5.5V, this module is versatile and can be used in various applications.