Added red plastic cap on the power switch
On board 2A fuse
On board MAX3232 chip， turn TTL signal to RS232 signal and added LED indicator on the signal cable
Cyclone core: EP2C8T144
Equipped EPCS4 chipset
Povides configuration mode: JTAG / AS
40pin IDE pin compatible with Terasic development board， camera or LCD
8-digit LED nixie tube for Dynamic or static experiments
On board RS232 serial port
1-way buzzer for sound test
5 independent button for button control test
PS / 2 and mouse port
LCD 1602 ports
AT24C04 IIC port
3bit VGA port
SD card slot， max. supports 64GB
5V port to external power supply