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Tag is 3 * 4 matrix keyboard

Electronic components 3 * 4 matrix keyboard / membrane switch / MCU extended keyboard / keypad control panel

3 * 4 matrix keyboard / membrane switch / MCU extended keyboard / keypad control panel The new 3 * 4 matrix keyboard, the keyboard is equipped with a good DuPont shell can be inserted directly into the microcontroller circuit for external MCU expansion conducive learning keyboard microcon...Read More

3 * 4 matrix keyboard

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