Potentiometer with Arduino Uno R4, Analog Input and PWM
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Watch the same video in Hindi Urdu:
• Potentiometer with Ard...
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Project Description:
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Next, from the Sunfounder’s Ultimate Sensor Kit I am going to select a Potentiometer. You can use this with the Arduino analog pins to control the Led brightness or motor speed, or simply you can use it as an analog sensor for testing your code.
I will also explain what is PWM “Pulse width modulation” and how to use it to control the RGB Led module brightness. In upcoming tutorials, I will also use PWM to control the Motor speed.
A potentiometer works on a simple principle. It's essentially a variable resistor. Turning the knob changes the resistance, which in turn changes the voltage across the device. This variation in voltage can be easily read by a microcontroller using analog inputs.
Analog Output:
Potentiometers provide a smooth, continuous analog output, which makes them ideal for learning how analog signals work.
Versatility in Applications:
Potentiometers are used in many applications beyond just educational purposes. They're found in volume controls, as position sensors in joysticks, and in many other settings where variable resistance is needed.
Affordability and Accessibility:
As I mentioned, potentiometers are readily available and inexpensive. This makes them a go-to choice for beginners and hobbyists.
Teaching Fundamentals:
By using a potentiometer, learners can understand the fundamentals of electronics, such as how resistance affects current and voltage, and how these can be read and used by control systems.
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About the Electronic Clinic:
Electronic Clinic helps 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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27 янв 2024
