The ESK-66F2390-M00 is an RGB LED pattern master controller, which has a built-in Holtek Advanced A/D Flash MCU HT66F2390. When ESK-66F2390-M00 is connected in series with the HT45F0060, HT45F0062 and HT45F0063 development boards, it can control the lighting effects of each board.

As a master controller, ESK-66F2390-M00 can change the sequence and the duration of lighting effects. There is also a lighting effect selection button on the board, users can switch the lighting effects at any time.

Holtek provides an easy-to-use development platform, the RGB LED Lighting Pattern Workshop. With the Workshop, users only need to set the lighting effects, no need to write the program codes, the Workshop can generate the codes automatically. Users can do further developments with the source codes. It can be used after programing with e-Link.