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Pack x2 Teclados 4x4 Membrana Sticker Matricial Arduino A0022
The white paper on the back of keypad can be peeled off, so that the keypad can be firmly pasted onto the chassis surface, very easy to install
The dupont shell on the new 3*4 matrix keypad can be directly inserted into the single-chip circuit, suitable for single-chip expansion and is conducive to study on peripheral expansion keypad of single-chip
Matrix keypad/ thin film button switch/ single-chip expansion keypad/ keypad control panel
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