HEF4021BT Shift Register 8-bit parallel or serial

Compatibil Arduino
The HEF4021B is an 8-bit static shift register (parallel-to-serial converter)

HEF4021B Schematic diagram
pin 3 – shiftreg_DATA
pin 10 – SPI_SCK
pin 9 – shiftreg_LATCH
pin 8 – GND
pin 16 – 3V3

https://github.com/FreeJoy-Team/FreeJoy/issues/104

Arduino projects.