IMS1030-dat
- legacy wiki page - https://w.electrodragon.com/w/74HC595_Segment_Display
demo code
at https://github.com/Edragon/arduino-main2/tree/main/IMS/IMS1030-seg_display-74HC595
int clockPin = 13; // connect to CLK pin
int latchPin = 12; // connect to LCK or RCK pin
int dataPin = 11; // connect to SDI pin
and extra VCC and GND power supply pins
demo
https://www.youtube.com/shorts/wiDk-X6urJ4