QB091 Capacitive Touch Sensor Module

Touch sensor is a kind of capacitive touch switch module, which can detect and respond to human touch. It has a built-in touch detection IC (TTP223B), which is able to convert the user's touch action into electrical signals for interactive interaction with the device. The touch sensor outputs a low level when we touch a specific location with our finger, and switches to output a high level when there is no touch. Widely used in touch screen mobile phones, tablet computers, smart watches, smart home, etc. Click to explore: Touch Sensor Product Doc Parameter Specification Parameters Value/Description Operating voltage 3.3~5V Operating temperature -10 C~+60 C Default output level High level Output signal Digital signal Size 3.16cm*2.38cm