Connect the components according to the wiring diagram. Upload the code to your Arduino board using the Arduino IDE. Open the Serial Monitor to view the potentiometer value and LED brightness. Adjust ...

This is an easy tutorial showing how you can control the brightness of an LED or adjust the speed of a DC fan using Arduino Board, a small BC547 transistor and a potentiometer. In my example the whole ...

Components Used 2 x Arduino (Uno, Nano, etc.) 2 x nRF24L01 RF modules 1 x Potentiometer 1 x LED 1 x Resistor (220 ohms) Connecting wires Breadboard Circuit Diagram Transmitter Side Connect the ...

The Driver module will have four LED ... connection is made the hardware should look something like this in the picture below. Now, upload the below program in your Arduino UNO and open the serial ...