The Raspberry Pi expansion board sbc-buttonmatrix from Joy-it is a versatile accessory module specifically designed for use with Raspberry Pi and other single-board computers. This expansion board features a keypad with 16 keys arranged in a 4x4 layout, allowing for easy and efficient interaction with various projects. By connecting four rows to four columns, the keypad requires only eight I/O lines, simplifying integration into existing systems. The board is compatible not only with Raspberry Pi models such as the Raspberry Pi 2 B and 3 B but also with Arduino and other microcontrollers. With its compact design and high-quality workmanship, the sbc-buttonmatrix is an ideal solution for developers looking to enhance their projects with a user-friendly input option.

• Keypad with 16 keys in a 4x4 layout
• Requires only 8 I/O lines for connection
• Compatible with Raspberry Pi, Arduino, and other single-board computers
• Compact design with a height of only 7 mm.