4-digit
There are 3 repositories under 4-digit topic.
Erriez/ErriezRobotDyn4DigitDisplay
RobotDyn 4-digit 7-segment TM1637 display library for Arduino
Akna3ap/Lesson2-Hw
4-digit calculator
srichs/Timer
A Library for Arduino that uses a 4-digit, 7 segment display, driven by a PT6961 chip, that can be used as a Timer or Stopwatch.