I’d highly recommend the IceStick for $21 - not only do you get an FPGA but it has an ft2232, so you have a serial adapter and basic JTAG adapter for free! I’d

I’d highly recommend the IceStick for $21 - not only do you get an FPGA but it has an ft2232, so you have a serial adapter and basic JTAG adapter for free! I’d keep one on my keychain if I could (it’s a tad too large).