Tm1638 3-Draht Mcu Steuerung 8-Bit LED 16 Tasten Tastatur Scannen und Display Modul
6,77 €
Feature: 1. Made of high quality material, being practical to use, it uses TM1638 digital tube driver chip. Model: TM1638. 1 x TM1638 Module. Only need 3 ordinary IOs can drive, and no MCU scanning is required, which saves MCU resources very much.
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