Arduino - Display the LED Brightness on a LCD 16x2

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This project is about controlling the brightness of a LED with an arduino and displaying the brightness percentage on a LCD 16x2.

Parts Required
1x Arduino
1x LCD 16x2
1x Breadboard
2x 10k Ohm Potentiometers
1x 5mm LED
1x 220Ohm Resistor
Jumper Cables

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Licensed under Creative Commons: By Attribution 3.0
  1. Rui Santos
  2. arduino beginner project
  3. arduino lcd 16x2 project
  4. arduino lcd 16x2 tutorial
  5. arduino displays progress bar
  6. arduino controls led brightness
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Комментарии
Автор

While the backlight pin (pin15 LED+) was directly connected to the +5v, you can't adjust the brightness. The second potentiometer was only connected to the arduino. You need to connect the backlight pin not to the +5v but to the potentiometer if you want to see the brightness up or down.

coolbiker
Автор

Question, after connection all required wires, does the LCD backlight comes on, or we need first load the LCD code to Arduino? I did all wiring correctly but don't see back light, I don't know is the LCD bad, or I still need to load Hello World code, please let me know, thanks

FlightSim
Автор

hi rui you have created nice project i have request tha can you make battery level indicator same as this project please it would be nice

mdafroz