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USERBARS.org | Free Forum Userbars
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4x4 Matrix Keypad - Plastic Black
$2.80
4x4 Matrix Keypad - Plastic Black4x4 matrix keypad module measuring 65 × 68 mm, designed for use in microcontroller and embedded system projects. The keypad uses conductive rubber keys over a PCB contact layer, providing reliable input for digital circuits. - Key arrangement: 4 rows × 4 columns (16 keys total)
- Dimensions: 65 mm × 68 mm
- Contact type: conductive rubber over PCB
- Maximum current per contact: approx. 10 mA
- Contact resistance (pressed): < 1 kΩ
- Recommended operating voltage: ≤ 35 V DC
- Connector: standard 8-pin row/column interface
The keypad can be easily interfaced with microcontrollers such as Arduino, ESP32, STM32, or Raspberry Pi. Multiple Arduino libraries are available for matrix keypads, supporting straightforward integration into projects.Suitable for applications such as password entry, menu navigation, and control panels in hobbyist and educational electronics.CANADUINO 4x4 Matrix Keypad DatasheetIf you need a 3x4 matrix keypad instead, have a look at our other products.
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