Touch Switch

ttp223

How to use a TTP223 based touch switch

Today we are going to learn the following about touch switch based on TTP223. Pinout explanation Four different modes of the touch switch Connecting with LED Interfacing with Arduino Adjusting touch sensitivity TTP223 Features Operating voltage 2.0V~5.5V Operating current @VDD = 3V, no load At low power mode typical 1.5uA, maximum 3.0uA The response time max …

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