If you mean by the brightness is to turn the LED's ON/OFF,then you can use the DIO's of the PCI 6024E to turn on/off (or connect/diconnect) the power supply to an LED The card has 8 DIO's , and you have to configure them for digital output
If you mean by the brightness is to turn the LED's ON/OFF,then you can use the DIO's of the PCI 6024E to turn on/off (or connect/diconnect) the power supply to an LED The card has 8 DIO's , and you have to configure them for digital output