This is an Arduino library for interfacing with an LDR (Light Dependent Resistor) sensor. With this library, you can easily read the analog value of an LDR sensor connected to your Arduino board. To ...

Pin/Connection Arduino Pin/Port Description; Xbee/NRF24L01 Wireless Module: VCC: 3.3V (for Xbee or NRF24L01) ... Assemble the sensors (DHT22, LDR, and MQ-135) and connect them to the Arduino as per ...

Our Smart Home Using Arduino Uno R4 WiFi project is designed for home safety and convenience, integrating temperature, humidity, light, and gas monitoring. Using sensors like DHT11/DHT22, LDR, and ...

The massive quantity of electricity gets used in lights through roadways in India. Still, roadways remain empty for nearly all of the day after at night, with a handful of cars passing during the ...

At one end is an LED and at the other the LDR, and when attached to a glove it provides a finger sensor without the fuss. ... and with a simple divider circuit a voltage can be read by an Arduino.

In modern times, automation has changed daily routines, especially in managing electrical energy consumption. This research introduces the "Automatic Power Office Room" project, which aims to automate ...