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Buttonmatrix - 4x4 keyboard matrix - Joy-IT
The Buttonmatrix 4x4 module is a practical input solution designed for use with microcontrollers and single-board computers. It features 16 tact-switch buttons arranged in a 4x4 matrix, allowing for efficient operation of multiple keys while utilizing a small number of GPIO lines.
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Product description: Buttonmatrix - 4x4 keyboard matrix - Joy-IT
The Buttonmatrix 4x4 module is a practical input solution designed for use with microcontrollers and single-board computers. The module features 16 tact-switch buttons arranged in a 4x4 matrix, allowing for efficient operation of multiple keys while utilizing a small number of GPIO lines. By scanning rows and columns, the module enables reliable reading of all button states using only eight microcontroller pins . This solution is ideal for projects requiring control panels, numeric keypads, access control systems, or user interfaces.
Buttonmatrix - 4x4 keyboard matrix - Joy-IT.
The Buttonmatrix 4x4 module is a practical input solution designed for use with microcontrollers and single-board computers.
Special features
- 4x4 Matrix: 16 buttons in a compact layout
- GPIO saving: all keys are operated using 8 pins
- Row and column scanning: reliable button detection
- Arduino Compatibility: Easy integration with popular platforms
- Compact design: perfect for embedded projects
- Universal use: controls, menus, numeric keypads
- Easy integration: quick connection to the microcontroller
Technical specifications
- Key layout: 4 x 4
- Number of buttons: 16
- Button type: tact-switch
- Number of GPIOs required: 8
- Compatibility: Arduino, microcontrollers, SBC
The solution is perfect for projects requiring control panels, numeric keypads, access systems or user interfaces.
| Name | Value |
|---|---|
| Width | 12 cm |
| Height | 8 cm |
| Depth | 1 cm |
| Weight | 0.012 kg |
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30 days to return, without giving a reason
If the product does not meet your expectations, you have 30 days from receiving the parcel to withdraw from the contract. The product only has to be complete. The right of return belongs to consumers (a purchase unrelated to business activity).
Complaints
If the product turns out to be faulty, you can make a claim under the guarantee or the statutory warranty. We handle claims without delay, at the latest within 14 working days of receiving the report together with the goods.
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Product information
This product is a component intended for further assembly or prototyping. It is not a finished product within the meaning of the product safety regulations.
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