TM1650 - LED Driver with ASIC Keyboard Scanning
TM1650 is a LED driver for controlling LEDs with a keyboard scanning interface.
Keypad
4x4 Keypad Module
4X4 KEYPAD Pin Configuration
4X4 KEYPAD MODULES are available in different sizes and shapes. But they all have same pin configuration. It is easy to make 4X4 KEYPAD by arranging 16 buttons in matrix formation by yourself.
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