MCU hardware specifications:
The mechanical keyboard is a high-performance Flash MCU, supports USB2.0 (full speed 12Mbps) transmission mode,control, interrupt and batch data transmission functions, fast response.
The MCU hardware parameters are as follows: 
1.High-speed, pipelined microcontroller core
2.Power consumption control supports idle mode and sleep mode
3.Internal RAM data memory
4.16K * 8Bit FLASH program memory
5.Operating voltage: VDD = 3.3V-5.5V
Lighting special effect mode switching sequence:
Press FN + INS to enter the "breathing mode"
The overall backlight of the keyboard simulates the breathing rhythm, realizing the curve change of the backlight brightness from off to the highest brightness.
 Press again to enter the "up to down horse race mode"
The keyboard backlight is lit sequentially from the first group to the sixth group.
 Press again to enter the "Bottom-up horse race mode"
The keyboard backlight is lit sequentially from the sixth group to the first group. Press again to enter "Diffusion Mode"
The keyboard backlight is lit in sequence from the middle to both sides.
 Press again to enter "inward mode"
The keyboard backlight is lit sequentially from both sides to the middle.
 Press again to enter the "jump horse race mode"
The keyboard backlight lights up in sequence of one three five two four six.
 Press again to enter the "single point highlight mode"
Press the key corresponding to the row of backlight lights for 2 seconds.
Press again to enter "Ambilight mode"
The backlight brightness of the keyboard flows and changes from top to bottom in sequence, as if the water surface is constantly surging.
 Press again to enter the "always on mode"
The overall backlight of the keyboard is always on.