This project implements a 4×4 hexadecimal keypad scanner and encoder using Verilog. The system detects keypresses from a 16-key matrix and encodes them into 4-bit hexadecimal outputs. The design uses ...

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Abstract: This paper presents the design and implementation of a hexadecimal keypad interface on the FPGA board named as Nexys 4 DDR with Artix 7 and with Xilinx part XC7A100T-CSG324 using Verilog ...

If you are interested in building your very own programmable keypad complete with an encoder wheel for video editing, you may be interested in a new project published to Github for the EncoderPad ...