-Collector. Verwende einen externen 10 kΩ Pull-Up an 3.3 V (also zwischen OUT und 3.3V). Nicht an 5V ziehen!
End-Switch: Optional: 100nF Kondensat... * - Endstop (D7) with debounce via ISR + software anti-bounce
* - Hall sensor (D5) increments pulses ... /ikea2014/status
* - EEPROM persistence for MQTT and default target turns
*
* Serial debug is verbo... ;
const unsigned long LIMIT_DEBOUNCE_MS = 300; // anti-bounce window
bool homed = false;
bool servoAtt