Simulation KeyPad By: LabsLand Manage a Parallax 4x4 Matrix Membrane Keypad Documents KeyPad documentation Altera DE1-SoC: I/O mapping for Altera DE1-SoC STM32 Nucleo WB55RG: I/O mapping for STM32 Nucleo WB55RG Laboratory Exercises No laboratory exercises available for this simulation.