IDE: 1.8.19 Board: UNO Mode: HWSPI D:\Rob\WORK\Arduino\libraries\AD520X\examples\AD5204_demo\AD5204_demo.ino test_timing 10000 x setValue(): 74500 1000 x setAll(): 45204 1000 x getValue(): 692 Done... IDE: 1.8.19 Board: UNO Mode: software SPI (bit bang) D:\Rob\WORK\Arduino\libraries\AD520X\examples\AD5204_demo\AD5204_demo.ino test_timing 10000 x setValue(): 1062232 1000 x setAll(): 638272 1000 x getValue(): 696