touchless flush sensor PIR IR-sensor IFÖ

Updated version with IR-sensor instead of ultrasound sensor, because ultrasound gets activated by humidity in air when showering. With PIR sensor it was no problem.

-IR-sensor used: HC-SR505 HCSR505 For Arduino
-Arduino nano

PIR touchless replacement unit for IFÖ toilet WC,
Using servo 5V, PIR sensor, 5v Transformator

-HC-SR505, PIR sensor movement activation for Arduino
-Arduino Nano Amega328 board
-Servo MG996R 55g 15kg
-5v power supply.
d.