ITEM NAME:1pcs blue TM1638 button LED display module 8-bit digital LED button for ArduK3E7 1pcs blue TM1638 button LED display module 8-bit digital LED button for ArduK3E7 8 pcs buttons 8pcs LED 8 digital tube, a total of cathode LED digital tube STC and other microcontrollers can be connected directly VCC GND connect 5V power supply, STB CLK DIO microcontroller IO port color: blue Material: metal Module array color random Package Contents: 1x module 5x 20cm DuPont line Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Module array color random. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.
