8-Bit LED 8-Bit Digital Tube 8-Bit Key TM1638 Modul für AVR Arduino
3,02 €
Description: 1,8 keys, 2,8 a LED 3,8-bit digital tube, common cathode LED digital tube; 4, can be directly connected to the microcontroller and STC, etc.; 5, to provide ardiuno driver; The module is used in chip TM1638, a collection of more than three kinds of SCM common peripheral circuits, the biggest feature is only occupied by three single-chip IO port can drive, scan display and keypad scanning does not require microcontroller intervention, only need to read the relevant register send display data or test button, save MCU resources. Buy This module provides examples of programs. Wiring methods: VCC GND connect 5V power supply, STB CLK DIO connected microcontroller IO port.
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