The Chief Engineer of ICStation
R&D department Jack is using ICStation UNO R3
compatible with Arduino to successfully make the 74HC595
drive four digital LED display. We will share the schematic diagram, wiring diagram,making steps,download Diagram and also the useful program code designed by ICStation.
When you develop a project, it often needs to make IO expansion.The 74HC595
shifting register is a good choice. Following will introduce you that use two pieces 74HC595 to realize the display system of four digital LED
(of course, can also realize 8 digital LED display) .It only uses three IO (PIN2,3, 5) of Arduino.
1. ICStation UNO development board
$12.69 ( Or Arduino UNO development board)
4.four digital LED display
with the same anode
5. 20 PCS 20mm pin header
8.4PCS 47Ω resistance