Simple C driver for MCP4922 dual 12 bit DAC--embedded C, tested on AVR328 dev board
MCP4922 is a dual 12 bit DAC from Microchip. See this blog post for more info: http://audiodiwhy.blogspot.com/2021/11/mcp4922-library-for-atmel-328-mcu.html
I include test example project written for Atmel Studio 7 and AVR328 Dev boards.