Page 13 - Demo
P. 13
Project 4: Potentiometer Controlled LED BrightnessDifficulty Level: Beginner %u2013 Intermediate Components RequiredComponent Quantity DescriptionArduino Uno 1 Main microcontroller boardLED (any color) 1 Light Emitting DiodeResistor 1 220%u03a9 (for LED protection)Potentiometer (10k%u03a9) 1 Variable resistor for brightness controlBreadboard 1 For circuit connectionsJumper Wires 5%u20136 To connect components Circuit Schematic%u2022 Connect LED anode (+) %u2192 Arduino pin 9 (PWM pin) through a 220%u03a9 resistor %u2192 GND.%u2022 Connect Potentiometer middle pin %u2192 Arduino analog pin A0.%u2022 Connect Potentiometer side pins %u2192 5V and GND. Arduino Code
