How to Connect a Keypad to the Iolinker FPGA Board
We intend to connect a 4x4 matrix keypad to the iolinker FPGA board and react to button presses. To read in the key matrix, we will cycle through all four columns, with one column output high (all others pulled down) at a time. After every column switch, we read in the four row pulldown inputs. Wh...By: jinvent_de
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