The provided code is an Arduino sketch that reads values from a Light Dependent Resistor (LDR) connected to analog pin A0. It also controls an LED connected to digital pin 7 based on the LDR readings.

// #define Calibrate // uncomment this line and use serial plotter. (Trend lines will show offset to apply lines 59-61) // when offsets are correct all three lines should be within a 10 count of of ...

What if we can generate different colors using a single RGB led and make our room’s corner more attractive? So, here is a simple Arduino based color mixing lamp which can change color when there is ...

Circuit Diagram . Code and Explanation. The complete Arduino code for Automatic LED dimmer is given at the end.. In the below code, we are defining the PWM pin and the variables to be used in the code ...

#define LED_BUILTIN 13. This indicates digital pin 13 on the Arduino's pins connector (also called a header). But at the same time LED_BUILTIN tells the Arduino to use the actual built-in LED on ...

The light intensity controller automatically varies the brightness of an LED light depending on the natural light available in the room. In addition to this is room temperature and humidity monitoring ...

IoT Based Smart Inventory Management System for Kitchen Using Weight Sensors, LDR, LED, Arduino Mega and NodeMCU (ESP8266) Wi-Fi Module with Website and App Abstract: Smart kitchen inventory ...