The module is based on a decimal point display module, it displays four digital tube (0.36 inches), and driver IC is TM1637, only two signal lines needed for MCU to control four Digit 8-segment LED. It can be used to display decimals, letters and so on.
Here is an example of how to use TM1637 4 digit 7-segment display module for Arduino by Robojax:
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Warranty Period: 12 months
Features
Display common anode for the four red LED
Digital tube 8 gray adjustable
4 M2 screws positioning holes for easy installation
Interface 4 digital display module
Positioning holes: Four M2 screws positioning hole with diameter is 2.2mm, the positioning of the module is easy to install, to achieve inter-module combination.
Specifications:
Number of Digits: 4
Power: 5VDC
PCB Color: Blue
Interface Type: SPI, QSPI, MICROWIRE Serial Interface
Maximum Clock: 10MHz
Digit LED Color: Bright RED
Cascading Ability: Can be chained or cascaded to drive unlimited units
If you do not want to use the Arduino, the 0.36 Inch 4-digit 7-segment TM1637 Module also can be displayed using Raspberry Pi. This is an example of how to Displaying Time over 4-Digit 7-Segment Display Using Raspberry Pi ( https://www.youtube.com/watch?v=OA_pSU3xN5w ) by MSD Gurukul.