Arduino and touch button module TTP223

Other Hardware General Electronics
1

Hello, I am starting to learn about arduino and electronics, if you could help me please.

I am using a touch button module TTP223, I wanted to know if it is necessary to put some resistance between the output of the button and the input of the Arduino?

2

Hello

if you are using the module as shown below, no need.

capacitive-touch-sensor-ttp223-circuit-diagram_orig
capacitive-touch-sensor-ttp223-circuit-diagram_orig1486×674 70.7 KB

See Touch Detector with Arduino TTP223 Capacitive Touch Sensor

2 Likes
3

This topic was automatically closed 180 days after the last reply. New replies are no longer allowed.