KAmodRGB is a programmable 4-channel LED driver module that extends any I2C-equipped device, supporting both RGB and RGBA LEDs. It features the NXP PCA9633 driver with 5-channel 8-bit PWM, programmable frequency (190 Hz or 0.09–24 Hz), configurable outputs, 25 mA sink capability, adjustable I2C address, 5 V compatible I/O, built-in RGB and additional LEDs, operates from 2.3–5.5 V (5 V recommended), and comes in a 30 × 45 × 15 mm board with Kamami-standard I2C connector.