Components and supplies
Arduino UNO
7 segment 4 digit display
5 mm LED: Yellow
74hc595 shift register
Tactile Switch, Top Actuated
Resistor 220 ohm
Project description
Code
Downloadable files
Wiring diagram-SVG
Wiring diagram-SVG
Wiring diagram
The generic wiring. NOTE: the 7-segment-4-digit display in Fritzing had some unclear wiring. You should be able to figure it out for your 7-segment display: the pins for digit-part A through G on the 7-segment-4-digit display connect to the 74hc595 the 4 cathode pins for pins 1/2/3/4 connect to the Arduino, pin 7/6/5/4
Wiring diagram
Wiring diagram-SVG
Wiring diagram-SVG
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