Touch Activated Relay – How to

Let's learn how to use a touch switch with a single relay or relay channel to control the relays. So that we can drive high voltage appliances using touch switches.

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How to use a TTP223 based touch switch

Today we are going to learn the following about touch switch based on TTP223. Pinout explanationFour different modes of the touch switchConnecting with LEDInterfacing with ArduinoAdjusting touch sensitivity TTP223 Features Operating…

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