Arrangement for driving LEDs on LED strips or PCB strips used for the sectional illumination of pattern cutouts embedded in floor, ceiling and/or wall panels and tiles, comprising a voltage source , an LED controller and at least two LED converters, each of which being connected to LED strips or PCB strips , characterised in that the LED controller comprises a main board with a processor for receiving setpoint information and processing it into a time-critical SPI signal and a modulator for converting the time-critical SPI signal into a first optical signal; at least two LED converters , each comprising an optical signal conductor , a demodulator , a voltage converter and a modulator , wherein the respective voltage converter of the at least two LED converters transforms the voltage coming from the voltage source into an extra-low voltage of 5 VDC and transmits this via the respective contact lines to the LEDs of the respective LED or PCB strips of the respective LED converter of the at least two LED converters , wherein the demodulator of a first LED converter of the at least two LED converters converts the first optical signal received from the LED controller via the optical signal conductor of the first LED converter of the at least two LED converters into a second time-critical SPI signal, and forwards this signal via a signal line to the LEDs of the respective LED or PCB strips of the first LED converter of the at least two LED converters to control them, wherein the modulator provided in the first LED converter converts the time-critical SPI signal coming from the LEDs of the respective PCB or LED strips of the first LED converter via the signal line into a second optical signal and feeds this via the optical signal conductor to a downstream second LED converter of the at least two LED converters. the LED controller comprises a main board with a processor for receiving setpoint information and processing it into a time-critical SPI signal and a modulator for converting the time-critical SPI signal into a first optical signal; at least two LED converters , each comprising an optical signal conductor , a demodulator , a voltage converter and a modulator , wherein the respective voltage converter of the at least two LED converters transforms the voltage coming from the voltage source into an extra-low voltage of 5 VDC and transmits this via the respective contact lines to the LEDs of the respective LED or PCB strips of the respective LED converter of the at least two LED converters , wherein the demodulator of a first LED converter of the at least two LED converters converts the first optical signal received from the LED controller via the optical signal conductor of the first LED converter of the at least two LED converters into a second time-critical SPI signal, and forwards this signal via a signal line to the LEDs of the respective LED or PCB strips of the first LED converter of the at least two LED converters to control them, wherein the modulator provided in the first LED converter converts the time-critical SPI signal coming from the LEDs of the respective PCB or LED strips of the first LED converter via the signal line into a second optical signal and feeds this via the optical signal conductor to a downstream second LED converter of the at least two LED converters. <EOS>