Light sensor Dark sensor. Light and dark detection using an LDR. For this project, let’s stick to the LDR sensor module so we can select the light or dark detection by placing jumpers. We’ll be using ...

Connections for LDR sensor: Place the LDR on the breadboard and attach the 10k ohm resistor to one of the legs of LDR. Connect the A0 pin of arduino to the same column of resistor and LDR. This is to ...

Connect the A0 pin of the Arduino to the same column where the LDR and resistor is connected (Since the LDR gives out an analog voltage, it is connected to the analog input pin on the Arduino. The ...

The technical specifications of the system include a luminance-dependent resistor (LDR) sensor, an Arduino microcontroller, and a triac-based dimmer circuit. Built entirely from the ground up, the ...