ProxSense® Trackpads & Touch Modules Azoteq ProxSense® Trackpads and Touch Modules include I2C trackpad modules, ideal for laptop and remote control applications, and GPIO (General Purpose Input/Output) modules, which are well suited to BLUETOOTH® headphones and other portable entertainment applications. These capacitive Trackpads and Touch Modules provide best-in-class gesture recognition, sensitivity, signal-to-noise ratio, and power consumption. With automatic tuning for sense electrodes, the ProxSense Trackpads and Touch Modules guarantee optimal operation overproduction and environmental change.