Xilinx, Fpga, Verilog, Pynq, Embedded Systems.
it with some pin on the FPGA. There are alternatives to LVCMOS33. But for the sake of simplicity, please only use LVCMOS33 for now. Breakdown of set_property — You specify the PACKAGE_PIN which is the FPGA pin, LVCMOS33 which defines the pin type and voltage, LD[0] which is the port name you create