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TM1638 key digital LED display module (eight digital tube LED button) with Dupont line
1,8 keys , 2, 8 LED 3,8 -bit digital control, common cathode LED digital tube ; 4 , such as STC microcontroller can be directly connected ; 5 , to provide the driver ; The module is used in chip TM1638, a collection of these three common MCU peripheral circuit , the biggest feature is […]
