For the sensor detecting liquid, Arduino gives a signal to the buzzer and even XKC-Y25-NPN has an inbuilt LED for detecting the same. Full Video Description: Further, on the XKC-Y25-NPN sensor a notch ...

Emerging Trends in Sensor Interfacing with Arduino 1. Wireless Communication: Integrating Bluetooth, Wi-Fi, and Zigbee for remote data acquisition, is crucial in smart agriculture and home automation.