What you'll learn
- Drive a common-cathode RGB LED with three PWM signals.
- Read three analog sensors and remap their range with map().
- Understand additive color mixing in code.
What's in the kit
- Arduino UNO
- Breadboard
- Common-cathode RGB LED
- 220 Ω resistor×3
- Photoresistor (LDR)×3
- 10 kΩ resistor×3
- Red / Green / Blue colored gel filter×3
- Jumper wires×12
Protocol: analog

