It will be painful to program a 4-digit 7-segment display. You will need to wire many pins and build up the number library for them. But this one can do all the heavy work for you, there is a IC on the backside to handle everything , and give you I2C ports, very easy to use! And this display size is BIG!
- 4-digit, 7 segments, red color
- I2C port
- PCB Dimensions: 120x51mm
- Display Dimension: 120x40mm
- Four mounting holes