: To save pins, all four digits share the same segment lines (A-G), while four separate "common" pins toggle each digit on and off rapidly.
: The official community for Flowcode users often has attachments for "7seg" and "count4D" projects. Download 7seg count4D flo rar
If you are building this manually, a "4D" (4-digit) counter usually uses: : To save pins, all four digits share
Search the following specific forums and sites where these exact file names are frequently shared: : To save pins
: Often used to drive the common cathode/anode pins if the microcontroller cannot provide enough current.
