machines/systems/flexibot/docs/marlin/_gcode/M908.md

tag	title	brief	author	requires	group	codes	notes	parameters	examples
m0908	Set Trimpot Pins	Set a digital trimpot directly	thinkyhead	DAC_STEPPER_CURRENT|DIGIPOTSS_PIN	control	M908	Requires `DAC_STEPPER_CURRENT` or `DIGIPOTSS_PIN`.	tag optional description values P false Pin (i.e., Address, Channel) tag type address int tag optional description values S false Current value tag type current int

Set the digital trimpot current directly by address/channel/pin index. DAC_STEPPER_CURRENT pertains to the MCP4728.