with this new 3 Digit 2.3 inch 7 segments SPI protocol Display module using 74HC595 as a Serial to parallel Data save the required IO pins needed to drive all this number of pins and will display large size 7 segment 3 digit numbers. 2.3 Inch height, which can be visible over large distance. M..
This is a four digit numeric display.Its digit height is 0.56" and it is common cathode. It releases red luster.Features0.56″ Digit Height
Excellent Character Apperance
Easy Mounting On P.C.B Boards Or Sockets.
Black /Gray Face, White Segment Speci..
TM1638 Chip Key Display Module 8 Bits Digital LED Tube For AVR ArduinoFeatures:8 Bits, 8 keys, 8 LEDs, 8 digital tubes, common cathode LED digital tube.
With TM1638 Chip, this module gather more than three common SCM peripheral circuits.
The advantage is only three IO ports will be occupie..