This Seven 7-segment 4-digit and Clock display Module with Tm1637 for Arduino Raspberry PI has 4 digits which are controlled by TM1637 Driver Chip. It requires only two connections to control this TM1637 4 Bits Digital Tube LED Display Module. Using the I2C Bus you can control it using only 2 wires, leaving more pins available on your MicroController to connect other things.
Ease to use.
Ease of multiplexing.
Can use as a 4 digit display unit.
Can use as a clock display.
DIY clock project.
4 digit display unit.
The counter project using 7 segment display.
4 M2 screws positioning holes for easy installation