LDR with Arduino Uno R4 Minima, Light Dependent Resistor with Arduino

Download circuit diagram and programming:
https://www.electroniclinic.com/ldr-w...

Watch the same video in Hindi Urdu:
   • LDR with Arduino Uno R4 in Hindi Urdu...  

Previous video:
Arduino Uno R4 and Potentiometer:
   • Potentiometer with Arduino Uno R4, An...  

Push Button with Arduino Uno R4 Minima
   • Pushbutton with Arduino Uno R4, Tutor...  

RGB LED module with Arduino Uno R4 Minima board:
   • RGB LED with Arduino Uno R4, how to g...  

Arduino Uno R4 Minima Getting Started Video:
   • Arduino Uno R4 Minima getting started...  

SunFounder Ultimate Sensor Kit Unboxing:
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Project Description:
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Next, from the SunFounder’s Ultimate Sensor kit I am going to select LDR module.

So, In today’s episode, you will learn how to use LDR with Arduino Uno R4 Minima board. And let me remind you, if you don’t have the Arduino Uno R4 minima board there is no need to worry, you can also use the Arduino Uno R3 or even you can use the Arduino Nano.

In the previous video, I have explained the Potentiometer with the help of different examples. So, if you guys have watched that video, then understanding and using the LDR will be quite easy for you. This is because the working principle of both is exactly the same. The Potentiometer is also a variable resistor and so is the LDR. The only difference is that in a Potentiometer, we have to change the resistance manually, whereas in the LDR, the resistance changes as the light intensity changes.


Anyway, we will do 3 examples. The first example is foundational, focusing on how to read and interpret the analog values from an LDR sensor using Arduino and how to print it on the Serial Monitor. We will start by setting up the LDR and connecting it to the Arduino. Then, I'll guide you through writing the code that reads the LDR’s analog values and displays them on the Arduino Serial Monitor. This example is crucial for understanding how an LDR interacts with the Arduino and how the sensor's readings change in response to varying light conditions. It's an essential skill for anyone looking to incorporate light sensitivity into their projects.

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Electronic Clinic helps the students and other professionals to learn electronics, designing, and programming. Electronic Clinic has tutorials on Arduino, Arduino Nano, Raspberry PI, image processing, gsm based projects, Bluetooth based projects, esp8266 projects, Nodemcu projects, robotics, desktop application designing and programming, PLC, SCADA, RC Planes, Electronics, Power Generation, HMI, and much more. Check my Playlists.

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