Matrix keypad

The Matrix keypad is a board I/O module in the LabWired part catalog. Its catalog type is keypad. It connects to the MCU over GPIO. It has 8 pins. A device model in the simulation engine, reached through a dedicated dispatch path rather than the peripheral registry.

From the catalog: The 4x4 R1-R4/C1-C4 matrix compiles to a real keypad device: it reads the four row output pins and drives the four column input pins so a firmware row-drive/column-read scan detects the pressed key (host-set via the standard "key" stimulus). Implemented by the generic GPIO device descriptor.

Key facts

Category	Board I/O modules
Catalog type	keypad
Interface	GPIO
Pins	8

What LabWired simulates

Matrix keypad pinout

• Other signals: R1, R2, R3, R4, C1, C2, C3, C4

How to simulate the Matrix keypad in LabWired

1. Open the Playground at app.labwired.com and place an MCU board.
2. Add the Matrix keypad (catalog type keypad).
3. Connect R1, R2, R3, R4, C1, C2, C3 and C4 as your circuit needs.
4. Run the firmware. It drives and reads the pins of the part, and the device model responds on those pins.

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All Board I/O modules · All parts

No manufacturer datasheet is indexed for this part yet, so none is linked here.