A compact analogue reflectance sensor such as the CNY70 was not used in the Arduino Uno experiments described. Instead, a homemade sensor was assembled using a single infrared LED (IR333C) and a ...

This research investigates the application of an Arduino-based system for PET bottle plastic detection using the Esp32 Cam camera module and the Photoelectric Sensor E3Z B61. The study stems from the ...

The hardware is consists of an Arduino microcontroller (here an Arduino Uno R3) and a pre-wired soil moisture sensor module. The soil moisture sensor module , built around the LM393 comparator, gives ...