Hi, Hopefully the right place to ask a question. I'm trying to interface the ESP32 with a DAC8565. http://www.ti.com/lit/ds/symlink/dac8565.pdf using SPI.h I've programmed the 4 outputs on the DAC to change between 2 voltages, please see my code below. All 4 DAC8565 outputs always show 3.2V output o...