Uncategorized

Serial ports were used in a verity of applications reliably for a very long time now. Although PCs and Laptops don’t come with built in serial ports anymore, serial port interface emulated over USB is very popular among DIYers/hackers and with certain products. USB specification defines a class (Communication Devices Class) for using USB transport […]

Continue Reading

Some readers may remember, we attempted to design a Spartan 6 based FPGA development board with DDR SDRAM almost a year ago. The board worked to the most part except that some obvious mistakes made it impossible to get the DDR up running. We did another attempt this year to design a new board with […]

Continue Reading

CPLD breakout board design in KiCad is based on design by Ian Lesnet of Dangerous Prototypes. This board was designed in KiCad in 3-4 hours. It is the first board we ever designed completely in KiCad. The learning curve wasn’t that steep. I’ll put my KiCad experiences together in a tutorial series soon. This is […]

Continue Reading