Uncover the Secret Behind the TTP223 Touch Sensor!

Hey everyone welcome to my channel.
In this video I shown working of touch sensor of single and 4 channel.
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#ttp223sensor
#sensor
#switch
#touchswitch

[@qadeer1685]

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[@sumitd4u]

How to make off after 12 sec?

[@innovationic]

This have Fixed delay of 0.5 Sec