LDR SENSOR is nothing but a light-dependent resistor, its resistance changes according to changes in light intensity. In this blog we will discuss what LDR SENSOR is and how it can be used with the ...

LDR SENSOR is nothing but a light-dependent resistor, its resistance changes according to changes in light intensity. In this blog we will discuss what LDR SENSOR is and how it can be used with the ...

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 this module to detect ...

Fig. 2: Circuit diagram for interfacing laser LED module with Arduino. Connect pins 7 and Gnd of Arduino to pins 1 and 3 of KY-008 module, respectively. Run the first sketch (onoff.ino) to turn the ...

An active buzzer module is also included for audio signaling purposes. For environmental monitoring, the kit offers a DHT11 sensor mounted on a PCB, providing reliable temperature and humidity ...