====== Touchschalter ======

===== TTP223 =====

Korrekter Anschluss ((https://circuitdigest.com/microcontroller-projects/arduino-ttp223-touch-sensor-interfacing-to-turn-on-lights-with-touch))

<code>
Jumper A 	Jumper B 	Output Lock State 	Output TTL level
Open 	Open 	No-lock 	High
Open 	Close 	Self-lock 	High
Close 	Open 	No-Lock 	Low
Close 	Close 	Self-Lock 	Low
</code>