Icepi Zero - The portable FPGA development board. Icepi Zero is an economical FPGA development board with a Raspberry Pi Zero form factor. Carrying a powerful ECP5 FPGA on a small Raspberry Pi Zero form factor, it is the ultimate portable solution for FPGA development. Icepi Zero is for everyone: Students can use it to learn about the internals of modern processors. Icepi Zero also has an on-board USB to JTAG converter, so no external programmers are needed.