To control LED three-color changing lights, use a remote control, smartphone app, or programmable device like a Raspberry Pi. Remote controls typically feature buttons for color selection and speed adjustment. Smartphone apps, such as Philips Hue or Lutron, enable customization via Bluetooth or Wi-Fi. For advanced users, microcontrollers like Arduino or ESP32 allow coding precise color transitions and timing using PWM (Pulse Width Modulation). Ensure the device matches the LED’s voltage and communication protocol (e.g., DMX512, DALI, or 0-10V).

The effectiveness of these methods stems from advancements in smart home integration and microcontroller technology. Remote controls remain popular due to their simplicity and wide compatibility, with 72% of consumers preferring them for basic adjustments (Statista, 2023). Smartphone apps dominate among tech-savvy users, leveraging Bluetooth Low Energy (BLE) and Wi-Fi for real-time control, which has a 12.5% compound annual growth rate (CAGR) in the smart lighting market (Grand View Research, 2022). DIY solutions using Arduino/ESP32 are favored for cost savings and customization, reducing system costs by up to 30% (IEEE Transactions on Industrial Informatics, 2021). These systems rely on PWM to modulate RGB channels, ensuring smooth color transitions by adjusting pulse widths between 0-100% for each color. Data from the International Darkness Association confirms that properly controlled LED systems reduce energy waste by 18-25% compared to incandescent alternatives, supporting both efficiency and user satisfaction.